Synology DS423+ vs DS923+

Synology DS423+ vs DS923+ NAS – Which Should You Buy

Buying your first network-attached storage device can be really intimidating! If you have spent the better part of a decade storing your personal or business data on public cloud services or in a drawer full of USB drives, but have now taken the grown-up decision to go ahead and migrate over to your own private network-attached storage (NAS). You might have done this for reasons of cost, centralization or perhaps for security, whatever the reason for your data migration, there is simply no denying that the world of NAS can be a fraction complex and confusing early doors. Like any kind of modern computer appliance, you want to make sure you buy right the first time and when it comes to choosing between two of the latest generations of Synology NAS devices, these two incredibly similar four-bay devices might be two of the most different solutions I have ever compared. The Synology DS423+ is a home and small business-focused compact NAS designed to leverage an affordable price point between reasonable hardware and reasonable software and abilities. The slightly older Synology DS923+, on the other hand, has much of a high and even in some places entry enterprise-level focus about its architecture and is needless to say the more expensive of the two. Nevertheless, both of these Synology NAS devices can be picked up for around $450 to $600 (without drives), the contrast between their pricing, are actually very different beasts. Therefore, for users that don’t quite know their AMD embedded from their Celeron integrated processors, or who aren’t sure of the benefits that ECC can bring, today I want to compare the Synology DS423+ and Synology DS923+ and help you decide which one best deserves your data!

Just before we get into the meat and potatoes of this comparison, it is worth highlighting that regardless of whether you buy the Synology DS923+ or DS423+, you are guaranteed to get a system that can perform all of the following:

  • Both units feature x86 processors, which allow a wide degree of app/services to run well and are a good price vs hardware balance
  • Both the DS923+ and DS423+ are constructed of plastic desktop compact chassis, thereby reducing power consumption, noise and heat generated
  • Both can Stream 1080p HD or 4K media, with superior performance natively and mid-range performance in Plex
  • Both the Synology DS923+ and DS423+ NAS support AI-supported photo and ‘thing’ recognition supported to a very high degree from the free branded software included
  • For Business users who currently enjoy the use of Google Workspace or Office 365, both of these NAS provide excellent means to backup your mass cloud accounts (as well as natively sync, dupe and configure rules on the fly)
  • Both the DS423+ NAS and DS923+ NAS support snapshots, for more incremental and version protecting failsafe in efforts to protect you from Malware and Ransomware attacks, by allowing multi-versioning storage history to browse through and restore
  • Both units are DLNA certified so can be accessed, browsed and played from by popular DLNA devices, such as Amazon Firestick, Alexa, Google Home Chromecast, Apple TV, Bose, Sonos, iPads, etc, as well as connectivity between these platforms with IFTTT
  • Both are multi-bay, RAID enabled devices NAS devices that support JBOD, RAID 0, RAID 1, RAID 5, RAID 6 and RAID 10 (as well as Synology Hybrid RAID too for their Plus series range), though it is worth highlighting the DS923+ is the only one that supports an expansion and therefore also can support RAID 5, RAID 6, RAID 10 and SHR-2 over an expansion (more on that later)
  • Both devices run on their own proprietary operating system that can be accessed remotely or locally. These include regular updates to the firmware, security patches, applications and more. Ranging from multimedia, home and multi-tiered backup applications, to more business end tools such as Surveillance software, Virtual Machine deployment and business-class backup and synchronization tools.
  • Both the DS423+ and DS923+ use and can be accessed equally by a multitude of mobile applications such as DS File, DS Video, DS Photo, DSCam and DS Music that are created by and constantly improved by Synology.
  • Both NAS are completely compatible with Windows, Android and Mac systems, as well as acting as a bring between software platforms to share and distribute files for migration and file sync]
  • Both units can be used as a mail and/or business servers, providing excellent 3rd party CRM and first-party CMS systems, as well as the fantastic Synology collaboration Suite of applications Chat, Drive, Mail, Calendar, Office and Active Backup Suite
  • Both systems will support DSM 7.1 or DSM 7.2 out the box, as well as support software updates (security and feature) for many years moving forward
  • Both systems support the Synology Surveillance Station applications, support numerous cameras and arrive with 2 camera licenses with your purchase

But you didn’t come to this comparison page to find out what they had in common, you wanted to know what makes them different and which one best suits your needs, so let’s crack on with this comparison.

Synology DS423+ vs DS923+ NAS – Price and Value

Now, for those of you that are keeping a very close eye on the budget, it will already be clear to you that the Synology DS423+ is the lower-priced NAS of the two, by quite a considerable margin! Arriving, depending on where you are in the world, for around $449 to $499, it will immediately look more appealing to those on a tight budget when compared against the $549 to $599 of the DS923+. And that is before you’ve gone ahead and purchased any storage media too, so that’s saving of $100 to $150 could go a long way to further bolstering your network-attached storage setup. So, if the most important thing to you right now is remaining within a tight budget, then it might be worth seeing to read the rest of this article as when comparing DS423+ and DS923+, we have to look considerably more at the subject of value, not price. Price. Both of these devices arrive with the same software, Synology DSM 7.2, as well as both systems being two drive NAS solutions that support nearly identical ranges of storage media too, but more on that later. In terms of physical size, the range of components, they are pretty darn similar at a casual glance. However, it is in terms of the individual hardware components and scalability where the Synology DS923+ shows its worth, which we will cover shortly in the hardware section. But at least in terms of numerical value, the Synology DS423+ carries the lead. However, the reality isn’t quite that simple:

This is because the Synology DS923+ was released approx than half a year earlier than the DS423+ (Nov 2022 vs April 2023) and because of its wider availability and longer presence in the market, it has been featured in numerous special offers throughout that time. We saw this near $500 NAS on a few considerably impressive special offers throughout Amazon Prime day and other smaller eShop-specific events. So, yes, the DS423+ is the lower-priced NAS of the two, but do make a point of checking your local online retailer to see if the DS923+ is on special offer right now!

Synology DS423+ vs DS923+ NAS – Hardware and Connections

The hardware architecture of the DS423+ and DS923+ clearly have two very different target audiences in mind. The DS423+ has more of a home and multimedia feel about it, while the DS923+ feels substantially more like a business solution. This is reflected in numerous areas such as the distinct differences in CPU, memory specifications, and potential for growth. Even if you were to take into account the affordability of the DS423+, it has to be said that in the majority of hardware available, the DS923+ is significantly more powerful and scalable in practically every way. Here is a brief summary of the key hardware highlights of either system, side-by-side:

Synology DS423+ vs DS923+ NAS Hardware Comparison
Synology NAS
Amazon Price: $479 (Amazon 21/07/23)

$599 (Amazon 21/07/23)

Processor model Intel Celeron J4125 (2019 Gen) AMD Ryzen R1600 (2020 Gen)
processor architecture 64-bit 64-bit
processor clock 4-core 2.0 (base frequency) / 2.7 (burst frequency) GHz 2-core 2.6 (base frequency) / 3.1 (max overclock) GHz
Integrated Graphics Yes (250-750Mhz) No
Hardware encryption engine (AES-NI) Yes Yes
system memory 2 GB DDR4 non-ECC 4 GB DDR4 ECC
Pre-installed memory modules Yes 4GB (4GB x 1) via SODIMM
Total number of memory slots 1 2
Maximum memory capacity 6 GB (2 GB + 4 GB) 32GB (16GB x 2)
The maximum number of disk slots for an expansion unit N/A 7 (DX517 x 1)
M.2 drive bay N/A 2 (NVMe, PCIe 3×1)
Compatible Disk Type
  • 3.5″ SATA HDD
  • 2.5″ SATA SSD
  • 3.5″ SATA HDD
  • 2.5″ SATA SSD
  • M.2 2280 NVMe SSD
Disk hot-plug support* Yes Yes

So first and foremost, we need to discuss the main differences between the CPUs available here. The Intel Celeron found inside the DS423+ is a four-core, four-thread processor with a clock speed of 2.0 GHz that can be burst to 2.7 GHz when needed. However, despite the age of this CPU, which was released towards the end of 2019, it is the integrated graphics of this processor that gives it a slight edge for some users in terms of NAS deployment- especially those looking at multimedia use for their system. For users that are looking at the manipulation of graphical data, or more commonly are using the NAS as a multimedia server and wish to convert dense multimedia into something more manageable locally (for example, converting a dense 4K file into a much smaller and portable version to watch on the phone whilst commuting to work, on the fly), integrated graphics allow the NAS to perform this task with much lower overall resource consumption.

Thanks to it having a more specialized tool to get this job done. The embedded Ryzen R1600 processor on the other hand, lacks the integrated graphics and is a dual-core processor instead of a quad-core. However, it substantially makes up for this by being a much more powerful dual-core processor, with four threads that allow the system to assign system resources in a similar way to that of having multiple cores. Equally, the clock speed is noticeably higher here with the DS923+ CPU having a 2.6 GHz base power that can be burst when needed to 3.1 GHz. It is true that in cases of graphical manipulation or multimedia conversion, the AMD CPU here will be far less efficient and capable. However, in practically every other way, it is superior to that of the J4125 inside the DS423+. And if you are more concerned with traditional file transfer speeds internally and externally, the DS923+ will comfortably be the better-performing NAS.


The CPU choices in the DS423+ and DS923+ also result in very different memory architectures in each device, which will undoubtedly result in different scalability in the long term. The DS423+ arrives with 2GB of 2666Mhz memory, soldered to the main controller board, which can be further expanded via an available SODIMM memory slot to 6 GB total. This may be a little disheartening when you find out that the CPU here is actually capable of supporting 8 GB maximum memory. However, due to that initial 2GB memory being fixed internally, you cannot officially exceed 6 GB physically. This shortfall is considerably magnified when you bring into comparison the DS723’s memory structure. It arrives with 4GB of DDR4 3200Mhz memory which can be expanded to a whopping 32 GB total across two available SODIMM slots. Additionally, the system arrives with error-correcting code (ECC) memory, which ensures that data that passes through the memory during write operations will have its integrity checked by a separate module on the memory of the system. If any irregularities or inconsistencies are spotted, that data will be repaired. This goes a long way to reassure any doubts around the integrity of long-term archival data and susceptibility to things like bit rot. This is one of the main reasons why the DS923+ is considered much more of a business solution overall.

Much like the memory choices by Synology in these two NAS devices, the ports and connections of them both are similar, but one is definitely more scalable than the other. Both systems arrive with standard gigabit ethernet connectivity, with two available ports that each will provide up to a maximum 109 megabytes per second. Both systems also arrive with USB 3 connectivity, but it is only 5GB gen 1 USB. However, it is from here onward that the DS723 massively upscales things:

Model ID Synology DS423+ Synology DS923+
Synology NAS
RJ-45 1GbE LAN port* 2 (Supports Link Aggregation / Failover) 2 (Supports Link Aggregation / Failover)
USB 3.2 Gen 1 port* 2 2
eSATA port 0 1
USB Copy Yes (inc. Physical Button) Yes
PCIe expansion N/A 1 x Gen3 x2 LAN card slot
system fan 92 mm x 92 mm x 2 pcs 92 mm x 92 mm x 2 pcs
fan mode
  • full speed mode
  • low temperature mode
  • silent mode
  • full speed mode
  • low temperature mode
  • silent mode
Front panel LED indicators with adjustable brightness Yes Yes
Noise value* 19.8dB(A) 22.9 dB(A)
wake on lan Yes Yes
Power Supply / Transformer 90W 100W
AC input voltage 100V to 240V AC 100V to 240V AC
current frequency 50/60 Hz, single frequency 50/60 Hz, single frequency
Power consumption 28.3 W (access)
8.45 W (disk hibernation)
35.51 W (access)
11.52 W (disk hibernation)

For a start, the DS923+ features an eSATA external port that is used to connect the official Synology 5-bay expansion device, the DX517. This means that while the DS423+ has a maximum long-term capacity of four SATA drives, the DS923+ allows you to expand your storage down the line by an additional five SATA bays (so 9 Bays total). This can be done gradually and this storage can either mirror the original NAS or extend the storage pool across both devices.

Scalability and expandability do not stop there though, with the DS923+ also having the option to add a network adapter upgrade module (the E10G22-T1-MINI) to increase your network bandwidth to 10GbE. This is going to be incredibly useful for users who plan on taking advantage of SSDs or plan on having a much busier network environment between the NAS and multiple users and tasks at any given time. And it doesn’t stop there! Though BOTH systems also features two SSD bays on its base for installing M.2 2280 SSD modules (which can be used for caching or as raw storage pools, depending on which drive you use), the DS423+ is a Gen 2 PCIe lane system, whilst the DS923+ is a Gen 3 system – resulting in double the bandwidth per lane (ultimately, the difference between 500MB/s max per SSD on the DS423+ and 1,000MB/s on the DS923+). This is a feature that, although growing more common across Synology’s NAS portfolio, it is still unavailable on many of their lower tier/affordable systems (such as the DS224+) and, alongside the lack of storage expansion support, the gen2 speeds on these bays will place limits the storage potential long term on the more affordable NAS.

Finally, we need to discuss storage media compatibility, as this has grown to be another thing that has changed the way in which a user can populate their NAS quite a lot in recent years. On the list of storage media that they are prepared to verify as compatible with their systems. Although technically, one could say that any SATA media drive would be compatible with a SATA NAS, there are still a few incredibly isolated examples of compatibility, durability and stability. Synology requires that all drives need to be officially checked and verified before they’re prepared to add them to their list in order to truly guarantee that a user will get the promised Synology experience from their hardware with that media. As questionable as this might sound, the result is that the list of compatible storage media for both of these devices, despite their incredible similarities, is actually pretty darn different. Take a closer look at the slideshow below of compatible HDDs from WD and Seagate on these two NAS systems (from 21st July 2023) and see if you can spot an odd inconsistency:

In the case of the DS423+, we see a smaller pool of supported storage media, as well as a lower list of larger capacity drives being featured also. The DS923+, on the other hand, seemingly has a larger pool of more high capacity drives added and available to it, as well as a larger range of Synology’s own drives available for use with that system that includes the higher end options in the HAT5300 range. Synology has clearly prioritized higher-end drives for more advanced Synology systems, but for those that like to use their system clearly and rigidly within the defined parameters of a brand to maintain their warranty/guarantee, this is going to be a little disheartening to see the smaller pool of verified compatible storage media on the more affordable NAS solution. This is something that may well change over time as more drives are added to verified compatibility lists, but Synology has not exactly been putting their foot on the gas here. Given how close these two systems have been released side by side and the large disparity between their compatibility lists, I can’t see a huge amount of change happening anytime soon. It is absolutely no surprise that the more expensive Synology NAS has a better degree of hardware options in the long term. Though, it should be highlighted that a lot of the real benefits available in the DS723 are optional extras, long-term scalability and upgrades that are not necessarily available in the default model. It could be very easily argued that you are paying for entry to then pay extra for delivering upgrades, SSD upgrades, storage scalability, and increasing your memory years from now. Nevertheless, the fact that the baseline memory is ECC and the AMD CPU is indeed more powerful in most ways, does make up some of that additional cost and ultimately mean that in terms of hardware and connectivity, the DS923+ is the better of the two.

Synology DS423+ vs DS923+ NAS – Software and Services

At the risk of being incredibly repetitious, both of these devices are remarkably similar in what they can do in Synology’s premium DSM software platform, but the scalability and scope provided by the DS923+ inevitably leads to that more expensive system, ultimately giving you just more resources with which DSM can utilize. In terms of the actual range of applications, services supported on either system and scope for use right out of the box, both the DS423+ and DS923+ have got more than enough to run every single available app and tool available in DSM 7.2. Despite their rather modest scale, both systems can run multiple virtual machines, host a fantastically capable surveillance solution with numerous cameras, both can provide an excellent Plex media server experience (with a slight edge to the DS423+ in terms of conversions and transcoding when needed), and in terms of backups, both systems support the full range of services from Hyper Backup and Active Backup Suite. If you are a small business or just a small group of users who are going to be interacting with either of these NAS units fairly regularly, you’re going to have a largely identical experience in either one of these two systems using the baseline default hardware. However, things will change as soon as you start moving into larger simultaneous access, more high-volume application exchanges between the system and client hardware, and the scope of each one of those individual processes growing over time. In terms of the escalation of accessing the services of DSM and long-term future-proofing of a system running at top speed, despite growing requirements and demands of the system, the DS923+ comfortably wins.

Synology NAS Synology DS423+ Synology DS923+
Maximum single volume capacity* 108TB 108TB
Maximum number of storage spaces 64 64
M.2 SSD volume support* Yes Yes
SSD Read/Write Cache (White Paper) Yes Yes
Support RAID disk array type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Maximum simultaneous SMB/AFP/FTP connections 500 1000
Maximum number of simultaneous SMB/AFP/FTP connections (with extended memory) 1500 2000
Windows Access Control List (ACL) Integration Yes Yes
NFS Kerberos authentication Yes Yes
Maximum number of local user accounts 2048 2048
Maximum number of local groups 256 256
Maximum number of shared folders 256 512
Maximum Shared Folder Sync Tasks 8 16
VMware vSphere with VAAI N/A Yes
Windows Server 2022 N/A Yes
Citrix Ready N/A Yes
OpenStack N/A Yes
Media Server Yes Yes
DLNA compatible Yes Yes
Synology Photos Yes Yes
face recognition Yes Yes
Snapshot Replication Yes Yes
The maximum number of snapshots supported by a single shared folder 1024 1024
Maximum number of system snapshots 65536 65536
Surveillance Station Yes Yes
The maximum number of cameras supported (camera authorization is required) 40 (including 2 sets of free licenses 40 (including 2 sets of free licenses
Frames per second (FPS) (H.264) 1200 FPS @ 720p (1280×720)
800 FPS @ 1080p (1920×1080)
350 FPS @ 3M (2048×1536)
280 FPS @ 5M (2591×1944)
170 FPS @ 4K (3840×2160)
1200 FPS @ 720p (1280×720)
1050 FPS @ 1080p (1920×1080)
600 FPS @ 3M (2048×1536)
360 FPS @ 5M (2591×1944)
200 FPS @ 4K (3840×2160)
Frames per second (FPS) (H.265) 1200 FPS @ 720p (1280×720)
1200 FPS @ 1080p (1920×1080)
600 FPS @ 3M (2048×1536)
480 FPS @ 5M (2591×1944)
200 FPS @ 4K (3840×2160)
1200 FPS @ 720p (1280×720)
1200 FPS @ 1080p (1920×1080)
1000 FPS @ 3M (2048×1536)
600 FPS @ 5M (2591×1944)
300 FPS @ 4K (3840×2160)
Synology Drive Yes Yes
Recommended number of clients that can sync simultaneously 350 (the number of devices that can be connected at the same time when the recommended number of stored files is reached) 350 (the number of devices that can be connected at the same time when the recommended number of stored files is reached)
Recommended number of files to store 5,000,000 (Applicable to files indexed or belonging to Synology Drive , files accessed through other protocols, please refer to the file service in the above field) 5,000,000 (Applicable to files indexed or belonging to Synology Drive , files accessed through other protocols, please refer to the file service in the above field)
Synology Office Yes Yes
Maximum number of users 1200 1200
Video Station Yes Yes
Virtual Machine Manager Yes Yes
Recommended number of virtual machines 2 (see more) 4 (see more)
Recommended number of Virtual DSMs (licensing required) 2 (including 1 set of free licenses) 4 (including 1 set of free licenses)
VPN Server Yes Yes
Maximum number of connections 40 40
Synology High Availability Yes Yes
log center Yes Yes
Number of logs received per second 800 800
Backup folders and packages Yes Yes
backup the whole system Yes Yes
Remark Full system backup requires DSM 7.2 or later. Full system backup requires DSM 7.2 or later.
Maximum number of Hybrid Share folders 10 10

Notwithstanding that the system has a much higher clock speed CPU that, despite only being a dual-core processor, features a four thread architecture with DSM, allowing a lot of the spreading of resources normally associated with cores to be made available with vCPU allocation (containers, virtual machines and just natively). Then there is the scope for the larger overall capacity available to be upgraded towards in terms of memory, with the rather modest 6GB of memory on the DS423+ looking quite underwhelming when compared against the whopping 32 GB maximum memory that is scalable on the DS923+. That ultimately adds up to the more expensive NAS system having a better opportunity to grow alongside a more demanding data storage network of connected devices and users over time. And we haven’t even touched on the performance benefit in DSM and all of the first and third party applications when we factor in support of Gen3 SSDs for caching or storage pools in the DS923+, both of which are going to allow much better, long-term utilization and overall, a much smoother experience for a considerably longer amount of time than that of the DS423+. Ultimately, if you think your utilization of the NAS is going to grow steadily and increasingly over time, the DS923+ is the better choice here in terms of software, in and out of DSM.

Synology DS423+ vs DS923+ NAS – Conclusion and Verdict

Unsurprisingly, what we have here is an old-fashioned case of getting what you pay for. The DS423+ is a very solid, and reliable NAS solution and is definitely more than capable of running the bulk of modern NAS hardware needs, also, remaining pretty flexible in the resources available to it on day one to get the job done. Equally, for home users and particularly those seeking a more flexible approach to multimedia, the DS423+ does bring a decent amount of bang for buck when you compare it against the bulk of other Synology solutions in the brand’s portfolio. But it just pales in comparison to the sheer scope of scalability, upgrade options and flexibility long-term that the DS923+ provides. And regardless of whether you’re a business user or a home user that may perhaps be looking to do something more aggressive with their storage down the line, the DS923+ justifies a lot of the extra expense, simply by the weight of it having that ECC memory, twice the default memory on day 1, Gen3 SSD NVMe storage options, expandability, 10G as an optional extra and the scale of how far you can upgrade the memory. As mentioned earlier, we have to at least acknowledge that a lot of these advantages that the DS923+ presents compared with the DS423+ are ones that you will only really take advantage of if you spend a little bit more money, but having the option for that scalability down the line for many users is going to be worth the investment on day one. Side by side, in most cases, the DS923+ will comfortably outperform the DS423+ even in the default model, so you still aren’t losing out just because you’re paying extra for upgrade options you may not use later down the line.

Synology 4-bay NAS (DS420j, DS418, DS423, DS420+, DS423+, DS923+)


DS423+  Good for multimedia and easy backup functions and is upgradeable. Has high availability option. Now two extra CPU cores for faster speeds and VMs./ Dovker

DS923+ Good for multimedia and easy backup functions and is upgradeable, expandable, has high availability option. Good for video editing and VMs/ Docker.





A Comparison of Synology 4-Bay NAS: DS423+, DS923+


The DS423+ is an upgrade to the DS420+ and is a powerful NAS device suitable for small businesses and demanding multimedia applications. It is powered by an Intel Celeron J4125 processor with a clock speed of 4-core 2.0 (base) / 2.7 (burst) GHz and has 4 GB DDR4 non-ECC memory (upgradable up to 8 GB). It supports 3.5″ SATA HDD, 2.5″ SATA HDD, 2.5″ SATA SSD, and M.2 2280 NVMe SSD. The DS423+ has an Intel HD Graphics 600 GPU for hardware-accelerated 4K video transcoding and can handle up to two concurrent 4K video streams. It also has a hardware encryption engine that can achieve read/write speeds of up to 451/415 MB/s, making it one of the fastest 4-bay NAS devices available. The DS423+ has dual 1GbE LAN ports and supports Synology’s Snapshot Replication for easy backups.


DS923+ comes with an AMD Ryzen R1600 processor with a benchmark score of 3246. It is a 64-bit system with 2-core 2.6 GHz (base) / 3.1 GHz (turbo) and features AES-NI encryption. This version of the DS923+ has no GPU, but comes with 4 GB DDR4 ECC memory (with one slot occupied by a 4GB module and the second slot free), which is upgradable up to 32 GB (16 GB x 2). It supports up to 14 drives with the DX517 expansion unit and can handle 3.5″ SATA HDD, 2.5″ SATA SSD, and M.2 2280 NVMe SSD Gen3 x1 (2GB/s). The DS923+ also has two NVMe slots with 2GB/s per slot, which can be used for either cache or storage. It features dual 1GbE LAN ports and an additional Gen3 x2 slot for 10gbe NIC2. It supports Btrfs and EXT4 file systems and produces noise at 22.9 dB(A). It has a maximum power consumption of 100W.

Synology 4-bay NAS specs compared

Model DS423+ DS923+
Estimated Price $499 (15th March) $599 (18th Jan)
Processor model Intel Celeron J4125
AMD Ryzen R1600
Number of CPUs 1 (benchmark score: 2985)
1 (benchmark score: 3246)
processor architecture 64-bit 64-bit
processor clock 2-core 2.6 (base) / 3.1 (turbo) GHz
2-core 2.6 (base) / 3.1 (turbo) GHz
hardware encryption (AES-NI) (AES-NI)
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 NONE
system memory 2 GB DDR4 non-ECC 4 GB DDR4 ECC
RAM slots 2Gb soldered + 1 slot free
1 slot 4GB + second slot free
MAX RAM upgrades 6GB (2GB +4GB) 32 GB (16 GB x 2)
storage device
Expansion Unit NO DX517 x 1
Number of HDD bays 4 4 +5
Compatible Disk Type 3.5″ SATA HDD
M.2 2280 NVMe SSD (500MB/s)
M.2 2280 NVMe SSD Gen3 x1 (2GB/s)
M.2 Drive Slots 2 (NVMe) (2GB/s per slot) (CACHE)
2 (NVMe) (2GB/s per slot) (CACHE OR STORAGE)
PCIe slot NO
1 x Gen3 x2 for 10gbe NIC
external port
RJ-45 1GbE LAN port 2 2
USB 2.0 port
USB 3.2 Gen 1 port* 2 1
USB / SD Copy
file system
internal disk Btrfs
Noise value* 19.8 dB(A) 22.9 dB(A)
Power Supply / Transformer 90 W 100W
power consumption 28.3 W (Access)
8.45 W (HDD Hibernation)
35.51 W (Access)
11.52 W (HDD Hibernation)
BTU 96.5 BTU/hr (Access)
28.81 BTU/hr (HDD Hibernation)
121.09 BTU/hr (Access)
39.28 BTU/hr (HDD Hibernation)
APPs and limits
Maximum number of local user accounts 2,048 2,048
Maximum number of Hybrid Share folders 10 10
The maximum number of cameras 40 40
The maximum number of snapshots 1,024 1,024
Synology High Availability YES YES
Synology MailPlus / MailPlus Server YES YES
Virtual Machine Manager YES YES
Warranty 3 years 3 years
SHR yes yes
BTRFS yes yes

Synology 4-bay NAS available apps compared

DS420j, DS418, ds423 (2GB RAM) DS420+, DS423+, DS923+
Active Backup for Business
Active Backup for Business Agent (DSM)
Active Backup for Google Workspace
Active Backup for Microsoft 365
Active Insight
Advanced Media Extensions
Antivirus by McAfee
Antivirus Essential
Apache HTTP Server 2.4
Audio Station
Bitdefender for MailPlus
C2 Identity Edge Server
Central Management System
Cloud Sync
DHCP Server
DNS Server
Document Viewer
Download Station
exFAT Access
File Station
Git Server
Glacier Backup
Hybrid Share
Hyper Backup
Hyper Backup Vault
iTunes Server
LDAP Server
Log Center
Mail Station
MariaDB 10
Media Server
Migration Assistant
Node.js v12
Node.js v14
Node.js v16
Node.js v18
Note Station
OAuth Service
PDF Viewer
PHP 7.3
PHP 7.4
PHP 8.0
Presto File Server
Proxy Server
Python 3.9
Replication Service
SAN Manager
Secure SignIn Service
SMB Service
SMI-S Provider
Snapshot Replication
SSO Server
Storage Analyzer
Surveillance Station
Surveillance Device Pack
Synology Application Service
Synology Calendar
Synology Chat Server
Synology Contacts
Synology Drive Server
Synology Drive Server
Synology High Availability
Synology Mail Server
Synology MailPlus
Synology MailPlus Server
Synology Office
Synology Photos
Text Editor
Universal Search
Universal Viewer
USB Copy
Video Station
Virtual Machine Manager
VPN Server
Web Station
WebDAV Server


Synology 4-bay NAS Performance compared

SMB 1GbE – Sequential Throughput with HDD (64KB)

MODEL RS422+ DS923+ DS423+ DS423 DS420J
READ 225.77 225.85 226.58 223.90 112.93
WRITE 225.87 225.83 224.00 213.54 112.62

SMB 1GbE – Windows File Transfer with HDD

MODEL RS822(RP)+ RS422+ DS923+ DS423+ DS423 DS420J
WINDOWS DOWNLOAD 87.07 89.22 89.74 87.39 78.23 81.96
WINDOWS UPLOAD 76.36 79.24 80.23 76.00 65.97 68.64

1GbE Web Server – Nginx PHP Response Performance with HDD

MODEL RS822(RP)+ RS422+ DS923+ DS423+ DS423 DS420J
RESPONSES PER SECOND 14,469.82 9,511.32 9,710.53 10,706.80 3,062.56 2,586.49

Check Amazon and other retailers to see if the Synology DS423 NAS is available now using the links to them below (it supports us, costs you nothing extra and me and Eddie who run NASCompares will get a commission that goes directly back into the YouTube channel and blog):

Amazon usa USA 29.87 OFF (WAS 400) [LINK]
Amazon usa USA 4.05 OFF (WAS 453) [LINK]
Amazon usa USA 21.79 OFF (WAS 558) [LINK]
Amazon usa USA 9.53 OFF (WAS 561) [LINK]

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128 thoughts on “Synology DS423+ vs DS923+

  1. They look exactly the same, you talk about them and point at them without saying the model number (After the intro) and now I need to try and guess which one is which… a small sticker on each one will have made this video much easier to understand. Other than that a very good comparison for users looking for a NAS.

  2. Thanks for sharing, so If I understand correctly, for DS Video, the DS423+ could be a better option, specifically if I would need transcoding. I need to upgrade my aging DS 412+, the heavy lifting application running on this besides the File sharing servers, is DS Video, clients are AppleTV 1080p, Amazon Fire TV, sometimes iPads/iPhones. Everything is running fine on the DS412+ but that unit is 10 years old and should be refreshed. I think the DS423+ would be a better choice, am I correct ? Thanks !

  3. So I’m looking for an upgrade for my old ds 215j, and i know now a lot more about NAS since then..
    But I forgot an important thing before buying it…
    Research and looking for what I really wanted ????…
    But today I am a bit wiser ???? and I know which choice would be better..???? then 512mb Ram and dual-core arm Processor ????
    Realizing the Meaning of Slow ????
    Anyway I forgot another important thing..
    To get a part of your channel, due to a subscription and thumbs up ???? for your good work and videos.❤
    Thx Mate and greetings from Germany

  4. Honestly this vid is actually useless for some people. First of alle the prices in the EU are different. The DS 920+ is the worst with 1300€ + for only the case compared to 510€ for the DS 423+ and 600€ + for the DS 923+. The price for the DS 423+ is cheaper and it comes with slower cores but 4 instead of 2 and iGPU. For everyone that want to do more with the NAS like docker, VMs and Plex/Jellyfin Server the DS 923+ is a really bad option. The DS 423+ is the only current model that I really like. I know only 2 GB of RAM but you can buy a 16 GB RAM stick and you are running the DS 423+ with 18 GB of RAM. Correct me if I‘m wrong. But I still pissed that the hardware of from 2019/2020 from a 2023 model.

  5. All, just stumbled upon this video and recently purchased a 923+. I got (3) 16TB Seagate drives in RAID 5 and am considering getting a Samsung 970 Evo Plus for caching. Anyone have any input in this? I know it isn’t in the HCL, but some people said it works fine for caching? Do you need to install in pairs?? TY!

  6. Please explain, why would anyone need to transcode video? Every player, every stick or tv plays everything you throw at them, why loose quality and resources for streaming? This is for in-home use only question.

  7. I have been out of the loop for a couple of years and notice it’s still the same with Synology. You get a nice looking box for way too much money with everything agonizingly capped. I have 3 and I am fairly pleased with them (they do the job) but them being so cheap and scarce on EVERYTHING remains hard to swallow. I would recommend anyone considering a NAS to look further. It’s just too insulting what they’re playing hardware-wise, they’re yerking the consumer around.

  8. Thanks for the info on the 423+ and the 923+.

    I am a little confused now on which model to purchase. I have an old 412+ and want to upgrade.

    My primary use of the NAS is to store my media on it and watch movies etc via Plex, that I have downloaded from various sources. I do use the Plex app via my iOS devices, Formuler devices and smart TV’s. I also store all my documents etc on the NAS and accesses them if needed when traveling. I don’t mind spending a little more for future proofing and am leaning towards the 923+ however I don’t want to have a problem with Plex. I only have a max of 500gb internet connection speed to the house, however for internal transferring of data, I have CAT 7 cabling which I believe allows me to transfer data at the higher speed other than 1GB.

    I use my NAS for home usage only. As you can probably see, my knowledge on all this is limited.

    Would you suggest the 423+ or the 923+, any advice is appreciated.

  9. It would be great if in some DSM update M.2 can be used with another models, companies, not just from Synology. That is insane… just from Synology and limit of their storage. If they make some upgrade like as motherboard can use different memories…not just from synology.

  10. Hi, I bought DS923 and just to say for info that everything is running great, very smooth. I made upgrade to 32GB ram, 2x4TB WD RED (personal files) , 1x 8TB RED (Plex), 1TB SSD (Business, VM, etc) and M.2 256GB cashe. I use Plex with OpenVPN and it runs very nice. Very different if you use it without OpenVPN… and If there are 4K movies in some cases, not that often, but there is a client that can handle it. At the end I am very satisfied with DS923+ from the business side (Backup, security, Snapshot, Virtual machine, etc.) and from a personal side (Photos, Plex, etc.). In the beginning I thought that I will have some problems but I organised everything how will be in use and now I am satisfied. ????

  11. Why I dont recommend synology if you’re a linux user – you cant do basic things like give ssh keys for use with SCP unless you make every server_user in admin group – what idiotic snot at synology came up with that???? sure, you can use rsync and scp to their respective shares, all good – BUT – you have to run the trhings manually because some idiot decided non admin users cant ssh in – to setup keys…… or do synology think its more secure by allowing every server including remotes, to be added as an administrator!

  12. Great video. How would the DS918+ compare with these? I know it’s older but the reason I’m asking is that it’s become available refurbished from Synology at a very decent looking price.

  13. I have roughly 75 tb of music & videos combined (both are in the MP3 & MP4 formats) . I’ve been doing a lot of research over the past year or so. Do you have any recommendations on which model you’d recommend?
    I’m interested in having it set up as….
    -A RAID 5 or 6 (from my understanding, the major differences are the amount or drives that can fail at once). If my understanding is correct, then the cinfig will be RAID 6. As a better, more secure solution.
    – 6 – 8 bays (with expandability) – so one of the Plus model’s
    – Filled with 20 or 22 tb Seagate Drives
    – I will also be maxing out the M . 2 slots with the highest expandability **STRICTLY for Caching only**
    – Preferably 10 gb ports, with expandability options up to 25 or even 40 gb read speeds. Or whatever will be the fastest to stream a 1080p music video, with having the only limitations be the remote user’s connection.

    I would like to set this up as a place where I can access the entire collection in all one place, similar to a media server like spotify or youtube, but just with my own content. I will also be purchasing a Plex pass.

  14. jus some help, if I am only interested in running PLEX, from the presentation, the 423 sound like the better unit. Even if i am using a Samsung that the PLEX app is built into the TV. would this be correct ?

  15. Had this on in the background over a couple of days. This is the comment you requested — I made it to the end! =D

    It’s definitely not in the budget for me yet, but I’m dreaming about a NAS in my setup in the future!

  16. Just curious how to compare the performance of different CPUs? It seems that the new version have less cores but have higher frequency. How to tell the new one is a big jump?

  17. Useful info, thanks. As a photographer with half a million image files, I’m currently using a DS920 with 40TB to store them securely. However, the move to 10Gb with the 923 will speed up the system when editing in Lightroom plus the memory expansion will help I’m sure. But I’m not sure whether your points concerning the lack of integrated graphics on the 923 is relevant in the case of Lightroom image storage and editing rather than the video streams case. Any info/suggestions on this?

  18. I have a much older DS1019+ with 5 bays and 2 NVME slots. A couple of things are common. If you are only going to use the NVME as cache then 2x256GB NVME is big enough. I use Raid 1 on my cache. I bought 2 1TB NVME but the Synology never seems to need more than 256GB. I can have different size drives in my DS1019+ but the amount of storage is roughly equal to 4 smallest drives of the 5. In the case in the video it would be the 3 smallest drives of the 4. I like the storage pool idea that mine doesn’t have, I would probably use it because of my big 1TB NVME flashes. Being able to transcode is handy but I have a Ryzen 9 CPU and an Intel I9 with an older GTX1080. The internal AMD graphics seem to encode just a hair faster than the GTX1080. It helps to read and write to fast SSDs. I like synology software. I have their router two and the software looks and feels similar.

  19. 423+, 920+ or stick to 918+ that’s my question? Hi all, I was one of those who desperately waited to upgrade to a 923+. Since transcoding is essential, I’asking myself which option to pick. DS920+ brand-new is 699€ in DE (the rest out of stock). DS423+ (520€) downsides are very good explained in the video. Both options technically are not what I expected. So wait for the DS925+ and stick to the DS918+?

  20. I recently bought a DS1522+ and did not realize it had an AMD chip. Most of my 4K video also has 1080p versions. How likely is it that using devices like tablets and phones, we are going to see some lag, and should I consider looking at one of the two Celeron based units as an additional device to stream from.

  21. Okay.. If not 920+, which one of these two? My use case is: Streaming remux mkv. to my home theater, back up, photo alnum stuff and a bit of surveillance.

    Thanks in advance

  22. I always had fomo for buying the 923 bc of “integrated graphics” but this video makes it clear that I don’t need it. I’d rather use client side transcoding (if ever needed) and faster file transfer any day.

  23. Conclusion the models x23+ are total failed for Synology. Most of the devices at home are using 1GB network, so it gives you zero improvement and need to spend more money for additional card. USELESS! CPU has only 2 real core instead of 4 real cores on the previous model, a little bit faster on single thread but it is not a home PC, again BIG FAILED! If I need to expand I will go at the beginning with bigger model with 8 disks or so, to eSATA is USELESS too. Ni IGP, so advantage of the CPU when you use it for video decoding. Conclusion, get the old model and wait next models of Synology 426+ or 926+

  24. I have the QNAP TS-1655 and want to know what is the most important upgrade to purchase? I run Plex from it now so I am wondering if I’d best get an add on GPU or upgrade the RAM? I was also wondering if a GPU has to be a certain kind or can this support any GPU installed? I just started following you. Great reviews! Thank you

  25. I have a question wheter or not the 923+ is the NAS for me. I am also looking at the 423+ and QNAP TS-464. I shoot a lot of footage with my drone in MP4 format. So will the 923+ do the job for me if I play this on my PC or on my tablet?

  26. Do drives that sit in an expansion unit perform slower than those sitting in the main unit (because of all that cabling between the units)? I.e. do expansions come with a performance hit relative to housing all your drives inside the main unit? I.e. is buying a bigger main unit up front better than counting on expanding it later (if money is not an issue)?

  27. Great review – BUT a wish for improvement: I don’t watch whole videos actively, I often wash dishes or don’t concentrate fully on the video while watching videos (that are not purely visual). And you always point on a NAS and say ‘this is better than this’ or ‘in this case you want this’.
    Now if someone listens more to the audio – he won’t understand which one you refer to.

    Saying ‘923 is better than 920’ or ‘in that case you want the 920’ – would be a sooooo much better.

    Thanks and keep up the great work.????

  28. The AMD R1600 may have a clock speed advantage, but I wonder why they didn’t look at going with something like an embedded V1605B which has 4 cores and 8 threads as well as Vega 8 graphics for the video encode/decode while maintaining a TDB between 12-25W. It would be far superior to both the R1600 and J4125 in every way.

  29. Feedback from a new person to the channel: it’s hard to listen to your video as a podcast, without visuals, because you do not always mention verbally which of 3 NAS models you are currently talking about. Like: “In terms of value for money this one is the most value, and this one comes really close”. This one — which one? 🙂 Since I mostly watch YouTube on the go during walking would appreciate if you mention the model numbers more often.

  30. I bought the DS923+ and installed 32GB RAM and took a WD RED 1TB SSD for the system. The main data is stored in RAID1 on 2x WD RED Plus 14TB and an 18TB WD Ultrastar as a data grave.

    Photos, Plex, Docker and VMM run great and I am very satisfied.

    Thanks here for the great and informative videos. Keep up the good work.✌????

  31. I need at least 400 mb/second for 4k video editing. Would be nice to not have to upgrade models (obviously), and I need around 30 terabytes of storage, probably more in the future. Should I go for a 4 bay or 5 bay?

  32. I think about the ds423+
    Two questions:
    1. Is it possible to use any (kind of) nvme ssd for volumes? Or only on synology nvmes?
    2. Can you make a test about how much mem i can really install? Usually in this cases it is possible to add some extra memory like 8GB instead of 4GB. What do you think?
    Thanks. Great video like always

  33. Good and interesting review.
    I have a DS1821+ with 32Gb RAM, 10Gb board, running DSM-7.1, and I am very satisfied.
    I may be wrong, but the problem with our review when you talk about the possibility to create a Storage Pool on NVMe drives, is that you must buy the very expensive Synology branded NVMe sticks !!
    Unless I have been told something wrong, you can’t use third party NVMe sticks, and this is a VERY bad news !
    I am not going to pay the huge extra cost just to get a synology sticker on the NVMe drives, so unless somebody finds a hack, I will look to another brand, just because of this problem artificially created by Synology… and I would prefer to stay with Synology (so hackers are welcome !)

  34. Here’s a talking head video idea,
    Whats Sinology’s history with how long DSM support extends, and when will update support end?

    Is there a year, or an age, or level of NAS that will not be able to receive DSM 7.2, as support will have timed out?

    Personally I am running a 918+. Even though I am not worried at all about this 7.2 update or any update soon after that from being able to be updated on my NAS … when can I assume I will be unable to install an update? What’s Synology’s history here.

    And is there a difference between software update support timelines and security update timelines … like Windows, which will stop updating and supporting certain Windows versions, but will still throw security updates at us for a few years. Is Synology been operating like that?

    And finally, obviously a running personal home based file server and Plex NAS does not need the same level of ongoing critical security updates that a Windows Operating System needs to remain safe … that said, is it actually problematic to run a home NAS like this (obviously not an enterprise or security conscious business use) beyond the time of manufacturer security update death? Can I literally run this thing for years, even using occasional online file access, when we are out?

    And as an extension; do other NAS manufacturers have different approaches to this issue?

  35. I’ve been shopping to replace my ancient DS413j. I use my NAS for home file storage and media streaming. Until now I’ve been keeping my PC on 24/7 running streaming software with my NAS just as a storage device. I’ve been wanting to run the streaming app on my NAS. I bit the bullet last month and purchased the discontinued DS920+ even though I had to pay $150 USD over MSRP for it. I think I made the right choice as it best meets my present needs. I like some of the future proofing features of the DS923+ but it is less capable for what I want to do today. NASCompares has been very helpful in my decision making.

  36. Yeap, the 923+ is the NAS for me to upgrade to. I can use my current 8TB drives in my DS216j when I move to the 923+. Adding in 2 18TB or higher drives will give me the added storage I need before adding a NVME drive for a storage pool. I may just use one for storage and the other for writes to the hard drives. $600 to start seems fair in these turbulent times. I am saving up for this one, unless they release a 5 bay version, lol. Thanks for this!

  37. Was so mad when I bought a DS918+ in March 2020 only for the 920+ to come out four months later. Now I’m glad I have the 918+ because I can almost justify upgrading to a 923+ now.

  38. So can we conclude that given the fact that the value of the 920+ is really close to that of the 923+ Synology has accomplished next to nothing in three years time in terms of hardware? Are they already on the path of saying goodbye to their NAS-boxes to focus solely on future versions of DSM?

  39. 2-core “upgrade” of the 923 is a joke, and claiming it’s “enterprise” focused is outright laughable. The benchmarks are pretty clear too, the R1600 is ≈5% faster, because of single core performance alone, which is honestly counterproductive compared to what you’d want in server/NAS environment, running multiple processes. And ofc as you’d expect it’s gets completely slaughtered by the J4125 in multi-core performance.

  40. I got a 1522+ last month. Chose it over the 923+ because it was only $100 more and it has 8GB memory instead of 4GB and has 5 bays vs 4 bays.

    I have been very happy with it and use it for storage, backups, Plex and much more! Very happy with it.

    I use all 4 1gbe connections in LAG setup. Another plus, compared to the 2 connections on the 923+
    Don’t have to worry about multiple computer file transfers and Plex clients slowing transfers down when they are all happening at the same time.

  41. In the light of synology`s poor hardware “upgrades” for 2023 variants, then I have kept my good old 1520+ to serve the needed apps as cloud and survaillance station etc. It has been left to mind its own business in a corner… -And then I build an UNRAID server with an intel 12700 on a board with a 2.5 Gbit nic…. thats gives much better options as a combo than upgrading to a newer synology!

  42. I’m so glad I got a 920+ while they were available and a reasonable price still. I don’t think the 923 is much of an improvement really and the 423 is IMHO way over priced.

  43. Hi, love your work. Can you do a video doing an extension to add 5 more disks. I wish i could find that prices. I’m from Portugal and the lowest price i found was 600€. Any advice were to buy cheap? thanks for you job. Best regards.

  44. You are too kind. The move from Intel for the 923+ means it is still borne for me. The 920+ is simply fantastic and great value for money. The 423+ is a bet meh as well. And for more money than the 920+. Fortunately I am not likely in the market for another NAS for a good while. I hope Synology sales reflect this and they realise the consumer market should be given a decent option without having to buy into am enterprise level system.

  45. Ive’ been on the fence with adding a Synology to my collection.
    I guess I never new about the trans-coding with integrated video for streaming directly from the NAS and that helped a lot.
    Thanks for the in depth review. I’ve been a very long time fan of the channel and appreciate your efforts.

  46. Thanks for another useful video. Have you considered doing any pieces on longevity or technical issues over time? I’ve been running a QNAP TVS-472XT since 2019 without issue but yesterday it bricked itself during a firmware update restart – I now believe due to a bad motherboard just waiting for the next restart before it would refuse to power up again. A quick search reveals a 58 page thread on the QNAP forum about this issue which seems to affect lots of TVS-x72XT units, 4, 6 and 8 bay versions. I also believe QNAP have recognised the issue in some regions, extending the warranties, and replacing units. I’m just starting the official process, but like many in this position are wondering about long-term reliability and also how easy it will be to pop the drives into another enclosure to regain access to the array. I could try an identical unit, but it’s an expensive replacement and I no longer trust that model. It would be interesting to see how widespread this issue is for this model, as it was well reviewed by many, including myself at the time. As an aside, the TB connectivity which I chose it for also stopped working on my Mac after either an Apple or QNAP update a while ago, so that feature is moot too. Shame as it was a really nice unit when I first started using it.

  47. How this doesn’t have more likes is unjust. He covers so much and shows great examples. He also has time marks for reference. Great resource! Keep up the good work, would give you more likes if I could.

  48. One thing I wish sonology would do especially further backup program is allow you to back up to a networked windows pool drive aka the NAS sync with networked multipooled Windows drive giving you to a form of backup even if you cannot see the data on the Windows pool that be fine if it was just an encrypted image or better yet allow the damn system to read Windows pool drives…. You’re plugging a USB hub with all your USB drives the nas makes its own virtual pool out of those drives and then it backs up just in case there’s nobody has a single 60 terabyte drive …. The fact that most people are coming from multiple hard drives externally to Nas and can’t use those multiple drives as a single pool backup is annoying especially when there’s hard drive crashes or or anything like that at least you’d have a personal backup I didn’t even pay 10-15 dollars per drive one time fee to make a pool for image backup

    I literally had to Jerry rig using always-sync to back up the entire NAS drive on a 9 hard drive pool on the Windows side

  49. Insert the biggest thing I hate about Synology outside of their “hard drive requirements” (if the damn hard drive says Nas supported then it should just work you shouldn’t need a specific hard drive) is them telling you where to put your media or files for specific programs they own you should be able to tell the programs just like in Plex where the files are where you wanting to put the files and have one way think as an option with no deletion

  50. I personally find it difficult still for a novice user especially for making user accounts … Aka having public and private folders for individuals in a group setting (you can’t have both) we’re in the group setting everyone has the rules AKA right and no delete for public folder and the ability for only individual users in that group to only see their private folder and not everyone else’s

    Aka private “Jon” public “all” private “Sarah”

    John can still see Sarah’s folder
    Because I haven’t nested in an outside folder public and an outside folder private where all their names are in the private folder so it’s nice and organized

    But everyone can still see everyone’s folder I’d love to have it so that you can easily isolate nested folders

  51. The one and only thing I don’t like about Synology multimedia apps or drive apps…. Is they TELL you where to put your media AND GENERALLY HAVE TWO-WAY SINK AS DEFAULT

    Most users are going to have a plexa library that they’ve probably customized and should customize in one bulk “media folder” and then break it down within…. If you do stuff like that for all your multimedia they’re native apps don’t work you have to have it where they want it…. Same with sync you have to have it where they want it and it’s only sync … Me personally I want one-way sink data goes on the NAS … You can delete it off the phone or computer and that won’t transfer over…. They have improved the drive application but I still have to improve video photo and the other ones to be one way and for us to control the locations multiple or single nested location I don’t want to be told or you got to have it in the ” home /user /names/ photo/ to have the photo application work

    NO I want to have it in plex media / photos/ cell phone 01/

  52. why do I need raid 1 on the ssd cache? It doesn’t matter if the data is gone on the cache if one ssd fails. The data is stored on the HDD after a Data is altered in the read/write cache. or is written again from the HDD when a new SSD is added. So that makes no sense. Raid 0 would be better in this case.

  53. That really is an in-depth and thorough review. I’ve had the DS1621+ for about a year and you’ve helped explain what some of the apps actually do. Thank you.

    As a photographer using Lightroom to manage my my photos, I still cannot understand why I need Synology Photos or S Video to manage them?

  54. Thank you for the detailed review. I am interestedin buying a new Synology Nas (920+) and i own an old XP 32 bit PC do you think there will be any issues about compatibility from Win XP 32 bit to the DSM 7.1 Synology NAs, in that case does any workaround exist?

  55. I’m the one who watched the whole thing! And some bits twice. Very helpful in trying to decide between a Synology DS923+ and Qnap TS464. Synology seems to have the upper hand software-wise which I suspect carries more weight for a home user than the superior hardware of the Qnap? Thank you for providing this extensive review!

  56. Awsome information. Now please a similar video on Qnap. I cant make up my mind as I need both photo management and video surveillance. It seems like Qnap and Synology takes 1 point each.

  57. Jellyfin?!!! Most channels that review media server software, either only deep-dive their preferred offering, or only give an overview compression of the field. If someone like you, who can give the same enthusiasm creating two videos deep-diving two NASs that only differ by a drive bay, puts that into a spin-off series on a topic that is close to a large chunk of your demographic, that would be a real treat.

  58. Thks & I just watched it again & most excellent;
    I’m a retired physicist & have no real problem understanding the infinite details.
    However my problem is how to keep it simple & stupid (ex: high tier levels of simplicity, brevity, encapsulation, etc).
    Oh with my goal is to sociably knit-together all my family, relatives, friends, etc on my synology NAS.
    Unfortunately I’m going to be Mr Tech support for them. Sooooo I gots-tos keep-it-simple is an understatement & I will be abused (I says anything for family/friends though ;).

  59. You’re a DSM PhD;
    I never hear so dense of a presentation of great DSM info & my head is still spinning, thks.
    Next-time, you think about having something good to drink every-once in a-while.

  60. Thanks for a great video. Really explains what everything is. Recently got my NAS and been already updating hard drives in it. It will mainly be used as a PLEX Server but already considering what i will do when i start upgrading the smaller drives in it. May consider another NAS and use it as strict data back up and maybe a synology Drive / synology Calendar and Email setup. Move my calendar off Google’s stuff. We will see If i do that at some point. Great job again

  61. My English man!!! What a video! Greetings from Greece! I really appreciate your hard work and that content. I have a DS 1520 + and I am not regretting getting it although the new 1522 is out. You have my admiration. Keep up the professional and good work.

  62. *Note* – Regarding picture quality, this is a BIG video (so many features to cover in a single video) and YouTue can sometimes be a little slow to process HD and 4K uploads, so if this video is in low-quality for you, maybe come back in an hour or so, as YouTube should have finished processing it and have the 4K, 1080p and 720p versions done. Thanks for watching and hope you enjoy the review of Synology DSM 7.1, featuring the DS923+ NAS.