The Synology DS723+ NAS Review – Tremendous 2-Bay?
Synology has always maintained a remarkably envious position in the NAS industry over the last decade or so. Although they didn’t ‘invent’ the idea of a private server in the home/office, they were the first to give the concept a fantastically consumer and accessible presentation. Over that time we have seen their popular Diskstation series go from strength to strength, with this new DS723+ NAS 2-Bay being the latest to join their growing lineup. All this said, the landscape has changed somewhat and with a vastly more informed and hardware-aware audience is not quite as optionless as it once was. Despite Synology’s top-tier platform ‘DSM’ still setting the standard for NAS software, the brand has come under growing criticism for their hardware choices. The DS723+ is the latest offering from the brand that hopes to challenge this reputation of software over hardware, providing a number of key improvements to the modest 2-Bay tier, such as ECC memory and optional network upgradability. Arranging as effectively HALF of the DS923+ NAS in most ways (but crucially, not half the price due to DSM being the main selling point), will the DS723+ NAS simply serve to upto the 4-Bay, or does it present itself as the perfect high powered and high-speed compact solution for those larger HDD capacities arriving in 2022 (20TB, 22TB and 26TB by the end of the year)? Let’s find out in my review of the Synology DS723+ NAS.
Synology DS723+ NAS Review – Quick Conclusion
There is no denying that the Synology DS723+ NAS is the most powerful, capable and upgradable 2-Bay that Synology has EVER released. Although the AMD Ryzen dual core Ryzen CPU is going to be a sticking point for those who wish a quad-core and/or integrated graphics CPU had been used (eg video conversions server side in Plex and the like) – the capabilities of the DS723+ NAS in it’s traditional performance, handling and throughput are better than they have ever been on ANY other Synology 2-Bay before. The 10GbE optional upgrade on this system is a very welcome but surprisingly option on this device (given Synology’s past reluctance to prove this on a system that may well struggle to saturate it with just two bays). Then there is the support of M.2 NVMe SSD storage pools, making the DS723+ NAS just the 2nd every Synology NAS to support this function (alongside SSD cache support of course) – though odd decisions on Gen 3×4>3×1 handling are still a touch puzzling. Support of DSM 7.1 (DSM 7.2 beta soon, at time of writing) runs beautifully on the DS723+ NAS and is still clearly what the primary selling point of this system is, with Synology offering the system as a solution and entry point into their ecosystem, rather than a hardware/nuts-and-bolts purchase. The full range of 1st party tools (Active backup, VMM, Photos, Drive, Collaboration Suite, Hyper Backup, Surveillance Station and more) still continue to impress and to have full and (mostly) licence-free access to these from such a compact server system is genuinely fantastic. Likewise, the support of 3rd party client applications and SaaS/PaaS services (Google WorkSpace, Office 365, VMware, Hyper-V, etc) still maintains a high standard of integration with the Synology tools, though with a clear growing movement by the brand to prioritize it’s own services.
Still, there is a lingering feeling that the DS723+ NAS in it’s default state is crying for a defacto day one upgrade. The 2GB of base memory seems rather penny-pinching, despite the support of ECC. The 10GbE upgrade option is welcome, but largely inevitable when the default connection are 1GBe – IN 2023! I return to my point at the intro, where there DS723+ arrives (at least in terms of hardware) as practically half of the DS923+ (half the bays, half the memory, half the USBs, etc), but with a pricepoint that is certainly not half. Therefore in many ways, the DS723+ NAS serves as a compelling argument to just skip it entirely and go for the DS923+ for about £200 more and enjoy those extras and partially populate. The support and compatibility of 3rd party hardware on the DS723+ NAS is a fraction more streamlined than some might like (eg 22TB and 20TB HDDs still remain absent on the compatibility list, yet Synology branded 18TB drives are clearly available and we absent upto that point despite WD and Seagate NAS alternatives in the market), but overall the DS723+ is still a great NAS and easily cements itself as the best 2 bay offering by the brand in their 20+ year history.
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Synology DS723+ NAS Review – Presentation & Packaging
I won’t spend too long talking about the external packaging of the Synology DS723+ NAS, as it is remarkably similar to that of other Diskstation devices at this scale. The presentation of the retail box does have more attention to detail than you might expect though (given this is a 99% online purchased device and therefore any kind of glossy/detailed livery is almost a vanity addition!), as alongside the expected Synology logo and sticker for the model ID, the box is printed with tonnes of devices specific details. Synology has always been very, VERY aware of the power of branding with their solutions, as its little details like these (as well as embossed handles and favouring solution/every-man related terminology over cold specifications on the packaging) go a long way to set them apart from the sea of brown-box-rinse-repeat found in most online IT solutions you buy online and not at retail.
Despite the fact the DS723+ NAS is shipped unpopulated from Synology, we still need to grade/review them on the protection this unit is afforded in transit. As solid as a lot of IT kit looks, you cannot ignore the effects of shock or motion damage on them in long-distance travel from their point of manufacture (Taiwan in this case), so I will always give a brand extra points if they have gone the extra mile to spend a little more on protecting their system. In the case of the Synology DS723+ NAS, it’s mostly ok. I wish they used more hard foam/surrounding as you find in their 6-Bays and higher solutions (DS1621+, DS1821+, etc), as the DS723+ NAS arrives in a mostly cardboard structure that I think will be fine for the most part, but wouldn’t stand up to physical pressure tremendously well. Everything is separated very well and the structure/framework is there, it is just mostly cardboard! But I am being a bit petty here… let’s move on!
The DS723+ arrives with the accessories you would expect. The NAS unit itself, an external 65W PSU, Screws for 2.5″ media (3.5″ media installation is toolless), RJ45 Cat 5e ethernet cable, keys for the storage bays, first-time setup document and information on your warranty. All fairly standard stuff, though I am always surprised by the fact that Synology never include heatsinks for the M.2 NVMe SSD bays, given the high priority of the brand towards caching on these storage bays – something that can get those M.2 SSDs pretty hot. This is especially true in the case of this system being one of only two in the Synology hardware lineup to support M.2 NVMe SSD bays for caching AND storage Pools! This might well be the reason for the brand’s throttling of these bays in a few ways, but more on that later.
The external PSU is Synology branded, always a nice touch, and although there is a contingent of users that prefer an internal PSU (less fuss, tidier) I will always prefer an external power supplier, as it is hugely easier to replace, reduces the size of the NAS chassis itself and keeps those internal temps a little lower too. Luckily this NAS is such a low-impact model in terms of power use that a modest external power brick is completely possible.
The retail kit for the Synology DS723+ NAS is all fairly standard stuff in contents, but still a very branded package and completely what we would have expected from this very brand-aware company! Let’s discuss the design of the DS723+.
Synology DS723+ NAS Review – Chassis Design & Features
The chassis design of the DS723+ NAS is largely the same as the DS720+ and DS718+ that came before it. This is a particularly well-designed device, both in terms of aesthetic design AND it’s efficient system operation 24×7, with tonnes of ventilation throughout and very structured component distribution. Also, the chassis is a largely plastic external casing in matt black, that contains a much smaller structure on aluminium internally. The result is a NAS that is pretty low noise when in operation (unless you use HDDs larger than around 10TB and/or enterprise-grade 7200RPM disks), something that alot of users who plan on taking advantage of the potential increased external bandwidth that DS723+ for photo/video editing will hugely appreciate. That said, one consistent vibe you get in the design of the DS723+ is that direct/physical interaction with the device is kept to a minimum, preferring almost entirely network/internet-based interactivity. Not a huge surprise for a ‘NAS’ of course, but there are a handful of physical attributes that are intentionally absent here. The front of the chassis lacks any kind of LCD display, instead favouring LED indicators. The bulk of the front panel is occupied by the main storage bays and these have alining of ventilation all around them to act as passive airflow.
Passive airflow is definitely a big focus on the design of this chassis, with almost every side of the case featuring ventilation of one sort of around, with the Synology logo being vented. As this system will be in operation 24×7, it is heavily reliant on the rear fans to push air effectively through the system and over the assortment of internal heatsinks as effectively as possible and this chassis does that very well indeed. The Diskstation series at the 2/4 Bay level has always done a great job of melding modern design with necessary system temperature management and the DS723+ is no exception.
The LEDs on the front of the system use the usual three-colour system to denote drive activity and system status (network activity is absent, but the usual LEDs on the RJ45/Ethernet ports themselves are still present). These can have their brightness adjusted (or deactivated entirely) and although lack alot of the more information abilities of an LCD panel (IP addresses, system temp, alert description), they still serve ok as an initial indicator of system activity.
The main two storage bays of the DS723+ NAS are SATA interfaces and can be fully or partially populated with 2.5″ or 3.5″ media. The HDD/SSD compatibility of the DS723+ is still thinner than that of the DS720+, but Synology softened its stance a pinch on this subject after DSM 7.1 and the negative feedback on stricter HDD compatibility (i.e Synology media only). Although the full compatibility list is not as broad as that of the DS720+, we expect more drives to be added after launch (much as we saw with the DS1522+ and RS422+), though drives above 18TB are still absent (at the time of writing) despite 20TB and 22TB hard drives being tested on the DS723+ and working immediately. These two bays also allow you to use a large range of RAID configurations (redundant array of independent disks – a system of combining multiple drives to benefit storage scale, performance and/or data redundancy/safety-net). The usual configurations are here, RAID 0 and RAID 1 but the system also supports Synology’s Hybrid RAID (SHR) which allows you to mix different HDD/SSD capacities. It’s pretty unlikely that you will mix drive media on day 1, but if you partially populate or want to upgrade your drives gradually a few years down the line, SHR is SIGNIFICANTLY easier to expand and absorb newer/larger drives into an existing RAID. That said, the performance of SHR is a pinch lower than RAID 5 and RAID 1 conventionally, so for those hoping to take advantage of the 10GbE connectivity might do well to think about their Day 1 RAID and it’s impact down the line.
The trays themselves are plastic click-n-load tracks that feature a locking mechanism. It’s worth highlighting that this lock is by no means ‘industrial’ and removing a drive is going to be easy for particularly nefarious individuals, but this lock is more to prevent accidental removal than it is as a meaningful security barrier. The trays have screw holes for 2.5″ media to be installed with screws, but 3.5″ media is installed in seconds with the use of side clips that hold the drive in place via it’s own fixtures. The plastic tray is pretty sturdy and heat/cracking is not going to be any concern here. Also, the plastic trays will lower the ambient noise level when in operation more than metal trays would do, but (sorry to be repetitious) if you use bigger than 10TB HDDs, it is simply not possible to reduce the clicks, hums and whurs of these more industrial drives.
The front of the DS723+ NAS also features a USB port that can be used for connecting an external drive for backups in either direction (i. backup the drive contents to the NAS, or present files and folders to the NAS to the drive). Now, the DS723+ does not feature a front-mounted copy button (bit annoying) but DSM does include a USB copy tool that allows drives to automatically trigger a pre-set USB-to-NAS or NAS-to-USB operation when a drive is connected, which is pretty detailed in its setup (pre-set directories, age of files, exclusions, schedules, versioning, etc). The USB port is a USB 3.2 Gen 1, so 5Gb/s (500-500MB/s max bandwidth). Much like the 2.5G vs 1Gb complaints I made earlier, most other NAS brands at this hardware tier have rolled in USB 3.2 Gen 2 (10G / 1,000+ MB) ports, as well as USB-C in some cases. With the ease with which a user can add a USB tier to their 3-2-1 backup strategy (allowing them to be a little more financially creative with a network/remote/cloud backup tier as well), the slightly old skool USB port here are a little underwhelming. With significantly more affordable RAID-enabled USB solutions in the market and/or M.2 NVMe external USB drives arriving affordable to comfortably provide faster external storage for backups, this seems like a bit of a misstep by Synology to ignore. Also, DSM 7 and DSM 7.1 (with DSM 7.2 coming soon enough) have reduced the range of use of the USB port of Synology NAS systems (removing many network adapters, DTV tuners, wireless dongles, office accessories such as printers, scanners and optical drives), and limiting them largely to storage, UPS’ and assigning them to VMs. I am sure Synology has done the market research and observed reduced utilization of USB on their systems to dictate this decision, but it seems to be another move by the brand to prioritize network/remote access only with their systems.
The base of the system is where you will find those two M.2 NVMe SSD slots (again, tonnes of passive ventilation) that support SSD caching in conjunction with the larger HDD array, or use as an independent storage pool. At the time of writing, you cannot initialize the DS723+ and DSM to run directly from these faster drives, though you CAN choose to install individual applications on the NVMe SSD Storage pool after initialization. You can even go a little off-piste and use one bay for Read caching and the other for a storage pool if you choose – quite nice for a 2-Bay SATA NAS to technically have 4 usable storage bays total. Space is a little tight, but there is certainly room for a couple of M.2 $8-10 heatsinks (I successfully tested the Eluteng Dual Design M.2 Heatsinks found HERE on Amazon) and definitely recommend heatsinks for drives in these bays, regardless of their use for caching and/or pools.
Performance on these bays will comfortably saturate an external 10GbE connection (see gif below using two M.2 NVMes below tested with AJA externally over 10GbE). This is going to be useful for those that were concerned that 2x SATA HDDs or SSDs would struggle to saturate the 1,000MB/s bandwidth offered by the 10G upgrade. However, the full bandwidth afforded by the use of these bays in a storage pool is a little less clear than many would like.
First and foremost, although these are physically PCIe Gen 3×4 Bays (checked using Putty over SSH), they have been throttled to PCIe Gen 3×1. Now, there are several reasons for this move (appearing online from 1st/3rd party sources, as well as in communication with the brand previously) with the most recurring reason being to do with increased heat from these bays needing to be avoided. Now, though this may have merit and Synology will have little reason to do this otherwise, other NAS brands offering m.2 NVMe SSD Storage pools on their systems have not included this downgrade in PCIe speed for similar reasoning (though many use processors that lack the PCI Lane coverage afforded to the DS723+ and the Ryzen, meaning fixed 3×2 or 3×1 speeds for reasons of architecture, not heat). Its a slightly odd move and one that is also further baffling when it was confirmed that the support of M.2 NVMe SSD pools on previous Synology Diskstation releases with support of these 2280 slots (DS920+, DS1621xs+, DS1821+ etc just to name a few) is not coming any time soon. It is still better to have support of M.2 NVMe SSD pools rather than not, but this has been a slightly odd way of approaching the feature and hopefully one that will see revision and improvement in further software/hardware updates in 2023/2024.
I have always been a big fan of the Synology Diskstation chassis for it’s minimalistic, yet attractive and efficient design. The absence of a USB copy button still irks me a little and the largely plastic design is not going to be to everyone’s taste, but you cannot fault the amount of R&D that has gone into the construction here. Let’s discuss the ports and connectivity of the DS723+ NAS.
Synology DS723+ NAS Review – Ports and Connections
The ports and connections that the DS723+ NAS arrives with are something of a mixed bag and compared with the 2020 released DS720+ only real include on different (but it IS a BIG difference). The system has a single active 92mm cooling fan that will automatically adjust its RPM as the system’s ambient temperature requires. You can adjust it manually if you are especially noise-sensitive, but I would really recommend it (a low system temp = better system efficiency). The fan is not immediately removable (built into the back panel of the system), so cleaning and maintenance are a little fiddly and involve removal of the bulk of the chassis, but thanks to the large amount of ventilation afforded to the system, this is not really an issue long-term.
Let’s get the elephant in the room out of the way early doors! Those ethernet ports. The default model of the DS723+ NAS arrives with two-gigabit ethernet ports (the same as the DS720+, DS718+ and DS716+ before it), despite almost other commercial NAS brand producing solutions at this consumer-tier/scale arriving with at least 2.5GbE. Now, the adoption of greater than gigabit connectivity in client hardware (laptops, PCs, routers, switches, docking stations, etc) is by no means as ubiquitous as 1GbE (which has been around for decades at this point), BUT it is growing. ISPs are providing fiber internet connections globally that exceed gigabit speeds, along with 2.5GbE and WiFi 6 routers. We are seeing more prosumer switches, routers and PCs with default 2.5Gb network ports (at the same/similar cost as 1GbE), $20 USB-to-2.5G adapters and even the affordability of 10GbE on some client devices has allowed users to gradually scale up their hardware environment. The fact the DS723+ arrives at the tail end of 2023 and does not feature greater than 1GbE ports by default is quite damning. Even if you have no plans for 2.5G right now in your setup and think it something of a fad (favouring 10GbE), in terms of future-proofing and the general standard or networking hardware right now, gigabit ethernet is a surprising weakness here.
HOWEVER, we do need to acknowledge the bit change that the DS723+ brings over it’s 2.5yr older predecessor – the ability to upgrade your network connectivity to 10GbE. The DS723+ is now the 4th Synology NAS to arrive (after the DS923+, DS1522+ and RS422+) with support of the Synology E10G22-T1-mini, a proprietary network upgrade module that is one of the easiest and quickest upgrades that I have ever seen to 10G to install! This module fits neatly (by design of course) into the PCIe Gen 3 x2 network upgrade slot, though powering down the device is necessary during installation. At first, I was a little sceptical about Synology providing a 10GbE upgrade to the DS723+ via a custom-made and largely proprietary designed upgrade module (thereby limiting you to ONLY the Synology PCIe upgrade, but not any other traditional PCIe Card 10G upgrades), but over time I have come round a little on this one.
I like how easy this is to install (zero case deconstruction) and it is a very well-designed component (not just a rebadged card with a logo). The 10G upgrade is only available in copper (RJ45/10GBASE-T) currently, but I would not be surprised if Synology roll out an SFP/SFP+ version down the line. As much as I would like to see this port and it’s utility get expanded (2.5G/5G, Dual port?), realistically this is still a PCIe 3×2 slot (so maximum 2,000MB/s to play with and that’s without network/hardware friction) and the physical space here is pretty small.
PERFORMANCE TESTING IN PROGRESS! IMAGES VERY SOON
The next question many will have about the DS723+ and this optional 10GbE upgrade is, can you even saturate a 10G (1,00MB/s+) connection with 2 bays of SATA storage? It’s a good point, as generally, domestic-class NAS HDDs will give you about 180-220MB/s max, with enterprise-class (or Pro) drives giving you 250-275MB/s. RAID configuration will add to this by increasing performance per drive bay. On Synology’s own pages, they rate the device to hit 471MB/s Sequential Read and 225MB/s Write – arguably quite slow numbers in the grand scheme of things. Of course, using SATA SSDs and/or M.2 NVMes in flash based storage pools will tell a very different story (with the latter EASILY maxing a 1,000MB/s connection, as seen in the previous gif above). That said, this port bing proprietary and unique to this product family/generation mean that there are a number of other Synology NAS PCIe upgrades that are unsupported. Although the NAS chassis size is an obvious and unavoidable factor (as is the saturation on offer), but hopefully that SFP+ support and perhaps compact dual port options might come on day…
Another thing I wanted to touch on was USB and… well… the lack of a rear port! I was rather surprised by this as, although the support of USB peripherals has dropped in DSM 7/7.1 (discussed earlier), the lack of a 2nd USB port on the DS723+ NAS is an odd move. Moving aside from additional storage add ons for backups and simply storage carry-over, smart UPS’ that still use USB connectivity and/or assigning a USB device to a VM in Synology Virtual Machine Manager (VMM) is going to now become a bit of a swap fest! Lastly, there is the expansion port that allows you to attach the official 5-Bay DX517 expansion device. This £350-400 5x SATA Bay JBOD enclosure is connected via a screw-in eSATA connection and allows you to either expand an existing RAID to increase the drive quantity and capacity overall (though not recommended to spread RAIDs over NAS+Expansion). Alternatively, you can use the expansion as a means to create an additional separate RAID configuration (which can also be gradually populated) that is treated exactly the same as the internal storage of the DS723+. The fact this expansion is JBOD only means that the RAID is managed by the main DS723+ device (which given the expansion cost, is a little annoying), but having this expandability is very useful. You cannot use third-party eSATA JBOD enclosures (unsurprisingly) and you can not get smaller/larger expansion chassis that are compatible with the DS723+, but the support of an expansion does mean that your storage options years down the line have this official option.
Overall the ports and connectivity of the DS723+ are technically no differences in the base model than the 2.5yrs older DS720+, it is only the option to add improved network connectivity towards 10GbE (and paying £129-139 extra for that) that makes this any way improved upon as a refresh of the older device. This upgrade is certainly welcomed, but there is still the hanging question of why they could not just roll this into the DS723+ as a default port on day 1 and just increase the price £100 – as I think there is a good % of NAS users who would have preferred this (especially with 10GbE largely supporting auto-negotiation with 5G, 2.5G and 1G, therefore allowing backwards compatibility). The expandability remains exactly the same too, which is useful but with only supporting the single expansion type and the lack of rear USB port, things are a little ‘blah’. Let’s take a closer look at the internal hardware and discuss the other big changes that the DS723+ brings over its predecessor.
Synology DS723+ NAS Review – Internal Hardware
This is likely to be one of the biggest areas of contention for many users who have been waiting for the release of the DS723+, as the hardware choices that Synology has made for this system are quite a change of architecture that many expected. The internal framework of the DS723+ is an aluminium storage cage for the main SATA bays, with its own multi-port backboard. The same goes for the M.2 NVMe SSD bays, with both of these boards connecting to the controller board that has CPU and Memory storage. As mentioned earlier, the DS723+ does not take advantage of any active cooling systems (beyond the rear fans) and is heavily reliant on heatsinks internally to dissipate the heat from key components like the CPU and disperse that heat into the air. The CPU inside the DS723+ is the AMD Embedded Ryzen R1600 processor, an x86 64bit Dual core, four-thread processor with an impressive base level clock speed of 2.6Ghz that can be scaled up to 3.1Ghz when needed. Now, the DS7xx+ series has always arrived with a Quad Core Intel Celeron (or Pentium) processor in the past and when it was revealed that the DS723+ was arriving with a dual-core embedded ryzen, many users were a little unhappy. This was largely down to two factors. The first was that the R1600 is a dual-core, not the four-core that everyone expected. Now the R1600’s four-thread architecture does allow the CPU to spread out quite alot across tasks and services (as well as virtual CPUs in VM deployment), as well as having a higher power in both base and burst mode available, which means it isn’t a bad CPU! But the bigger area of contention from some buyers is that the R1600 lacks integrated graphics. This means that for some tasks and services that are more graphical in nature, the result will be a higher typical CPU Uages % than a processor that has a more specialized graphics management component onboard.
How the Synology DS720+ Intel Celeron J4125 and DS723+ AMD Emb.Ryzen R1600 Compare:
The traditional data handling of the R1600 is very good, as seen in our DS1522+ testing earlier in 2022. As far as DSM (the Synology software) is concerned it will be able to run EVERYTHING! Additionally, the general file handling and throughput internally are going to be great too, so all good news. Then you have the advantage of the newer gen CPU in the DS723+ over the DS720+ supporting PCIe3 lanes, affording greater bandwidth to the rest of the hardware (i.e those M.2 slots being higher bandwidth and enabling that network upgrade slot), all the while with the CPU having the potential to hit 3.1Ghz of power when needed. It is genuinely a good CPU and there are lots of reasons why Synology have opted for this CPU, but it is by no means perfect and some specific user setups and their concerns do have merit.
For a start, the AMD R1600 has a higher typical usage (unsurprising for the spec and generally identified as TDP, as a maximum) compared with the avg Intel Celeron being used in other NAS systems released in 2022 (such as the Intel N5105 or J6412) and in a system that will be in operation 24×7, this is going to a question mark for those affected by erratically rising energy prices right now, The difference might only be pence on the day, but those pence add up! Then there is the dual cores. Although having the four threads IS handy and will be useful, Cores will always beat threads when it comes to capabilities. Finally, there is that lack of integrated graphics. Most users will not notice this as an issue in day-to-day use, but multimedia users and especially a large % of Plex users will notice, if they are a little more reliant on the server-side processing than on the client. For example, if your media collection contains alot of dense/complex audio media (RAW, MP4a, etc) OR alot of higher-end HEVC/H.265 Media BUT you do not have client hardware that supports these types (or allows local client conversions/transcoding), then the NAS will have to use raw horsepower to get the job done – much less efficient than embedded graphics doing the job. Again, you might not be impacted by this (your client hardware might have enough power and privileges, or you own a local HEVC-licensed device), but it IS a concern if you are running a Plex Media Server on the DS723+ and need the NAS to convert files on the fly. Earlier in 2022, I compared the DS720+ (with a Celeron) vs the DS1522+ (with this same AMD R1600) in a detailed YouTube video testing 4K Media in Plex. Here are the results:
Next, we can move on to the other big internal change that the DS723+ NAS has arrived with over the DS720+ before it, the Memory. The DS723+ arrives with 2GB of DDR4 Memory like it’s predecessor, which is half the memory of the 4-Bay DS923+, but after that it is all change! This memory is ECC (Error Correcting Code) memory that is more often found in enterprise NAS setups, due to its higher pricetag, but also its huge benefits towards avoiding bitrot and silent data inconsistency that are not going to be spotted till years down the line when accessing old data. As data passes through the memory, the memory has an additional onboard module that is designed to be constantly making a blueprint/snapshot/parity bit of the data at the start. This is then used to check the data on the exit path and if there are any inconsistencies, the data is remapped/repaired to its original form.
ECC Memory has appeared on lots of Synology NAS’ over the years (with pretty much ALL devices higher than ‘mid-high business having it as standard now), so it is great to see it here on this 2-bay diskstation model. In other good news, whereas the DS720+ had 2GB of memory that was soldered to the main controller board and could be upgraded to 6GB with 1 free slot, the Synology DS723+ has two slots available (one prepopulated with the initial module) and can be upgraded to a massive 32GB. This again is thanks to that R1600 CPU being used. Although Synology still maintains quite a tight compatibility/whitelist on supported memory modules (stating that you can/should ONLY use their own first-party modules), I cannot fault the choice of memory and its upgradability here!
In summary, in terms of the internal hardware, I am mostly happy. The lack of an integrated graphics processor (especially when the same AMD Embedded Ryzen R1000 CPU family has a graphics-equipped model, which was passed over here for the R1600) is a real pain for alot of users, but by no means does it mean this NAS is a write-off! That CPU has alot of capabilities, has opened up the hardware on the system to greater bandwidths, is capable of great internal+external performance and outside of conversion-based activities in multimedia, and still plays 4K and 1080p media very well. There are a few other details regarding AMD Emb.Ryzen vs Intel Celeron that you can learn more bout by reading this article HERE, but let’s move on to the Software side of the Synology DS723+ NAS and DSM 7.
Synology DS723+ NAS Review – Software and Services
At Launch, the DS723+ NAS arrives with the latest version of Synology software, DSM 7.1. However, this does not stop evolving as soon as you get your Synology NAS. DSM has been in continues to be the dominant force in the world of NAS software, providing a massive arrangement of services, applications (first and third-party supported) and a huge number of client applications for desktop, mobile, Windows, macOS and Linux (as well as a bunch of other more home-based tools). These allow management and access to the data on the DS723+ in very tailored ways, as well as the web browser-based access that has the appearance, intuitive design and responsiveness of a local operating system. The DSM interface can be accessed by hundreds of users at the same time (with each user having tailored access, rights and privileges). DSM is available with ALL Synology NAS and the depth and abilities of DSM on any NAS are dependent on the hardware architecture of the NAS itself. In the case of the Synology DS723+, it supports EVERYTHING that is offered by Synology’s platform. DSM is currently in version 7.1, but it looks like we will be seeing beta/full release of DSM 7.2 at the start of 2023, which will be adding WORM (write Once Read Many) support, Volume scale encryption and numerous improvements to individual applications. If you want to learn about the DSM 7 and the software and services that are included with the DS723+ NAS, watch my FULL review below (alternatively, you can read the DSM 7 Full Review HERE):
As mentioned, the DS723+ supports pretty much the entirety of the DSM 7.1 applications and services (DSM 7 and DSM 6.2 are still in circulation and still receive regular service and security updates, though the DS723+ will arrive with DSM 7.1 by default and cannot be rolled back). If you are an existing user of SaaS and PaaS (Software as a service and Platform as a service) from the likes of Google Workspace and Office 365, knowing that you can synchronize these systems or choose to export away from them onto the Synology services is going to be very appealing. Then there is the increasing development of their 1st party cloud platform, Synology C2, which is slowly integrating into all the applications that are available on your bare metal NAS (allowing you to add a cloud layer of backup, synchronization and access to your data storage setup). This is a subscription platform, which can only be used with your Synology NAS system (as well as connected with some 3rd party SaaS services, but for those that are moving away from Google/Microsoft/AWS for security reasons, but still want a Cloud+Metal storage network in place, C2 covers pretty much everything. Indeed, although below I have highlighted a number of the key/best applications that are included in your DS723+ Service with DSM, most of them can be immediately integrated with Synology C2 (with even more being added in 2023 with DSM 7.2). Key business and consumer applications that are included with your NAS are:
Synology Office – Create documents, spreadsheets, and slides in a multi-user environment. Real-time synchronization and saving make collaboration a breeze.
Synology Chat – Aimed at businesses, Synology Chat is an IM service that transforms the way users collaborate and communicate.
Synology Drive – Host your own private cloud behind the safety of your NAS with 100% data ownership and no subscription fees. Drive has become one of the premier applications of DSM and allows uses to create intelligent shared team folders that support versioning, file streaming+pinning, encryption, Windows AD support (soon) and native file system support with Windows and macOS.
Synology Photos – Manage your photos and videos with deep-learning algorithms that automatically group photos with similar faces, subjects, and places. Designed after the merger of Synology Photo Station and Moments, it also includes tailored folder, sharing and categorization features to help photographers manage their photos and share them with clients for feedback or business development.
Synology Calendar – Stay on track, share calendars, and schedule meetings, while ensuring sensitive information remains safely stored on company premises.
Synology Active Backup for Business (ABB) – Consolidate backup tasks for virtualized environments, physical servers, and personal computers, and rapidly restore files, entire machines, or VMs – license-free. This software also arrives as a specialised Microsoft Office 365 and Google Workspace platform to sync with those platforms and allow a bare metal tier to your cloud office services
Synology Hyper Backup – Backup your NAS safely and efficiently to multiple destinations with deduplication, integrity checks, compression, and versioning.
Synology Surveillance Station – Safeguard your business, home, and other valuable assets with reliable video surveillance tools. With improved AI services being accessible thanks to Synology BC500 and TC500 Cameras arriving in 2023. Additionally, you can connect this platform with Synology’s cloud platform to use ‘C2 Surveillance’ and bolster the odds of recordings being maintained in the event of accidental/malicious damage to your surveillance system.
Synology Virtual Machine Manager (VMM) – An intuitive hypervisor that supports Windows, Linux, and Virtual DSM virtual machines. Its powerful disaster recovery tools help users achieve maximum service uptime.
Synology High Availability – Synology High Availability (SHA) combines two Synology NAS servers into one active-passive high-availability cluster, alleviating service disruptions while mirroring data.
Synology Central Management System (CMS) – Synology CMS allows you to manage multiple Synology NAS servers quickly and conveniently from a single location.
Synology Video Station – Manage all your movies, TV shows, and home videos. Stream them to multiple devices or share them with friends and family.
Synology Audio Station – Manage your music collection, create personal playlists, stream them to your own devices, or share with family or friends.
Synology File Station – Manage your Synology NAS files remotely through web browsers or mobile devices. This tool allows complete file management and contains all the features and services of your own native file management platform (archiving, extracting, Copy, Cut, Paste, Sharing, native file format opening, integration with the rest of the Synology applications, property/metadata access, etc)
You cannot really fault the software and services that are included with the Synology DS723+ NAS, as you are going to get the very best experience available on the platform, thanks to the hardware and architecture of this NAS. DSM 7 is an ever-evolving platform, so if you are reading this now at the time of publishing or years later, there is always going to be something in DSM for everyone. That said, Synology in recent years has been increasing its priorities towards first-party software and services. This does make sense, as they want to promote their systems and software as a complete ecosystem for your home or business data storage needs (going on in the last few years to release even more Synology alternatives to popular software AND releasing non-NAS hardware accessories such as Routers, Network Adapters, HDDs, SSDs and now IP Cameras). This can occasionally lead to the compatibility lists of hardware or software that you wish to use in conjunction with the DS723+ NAS being a little smaller/restricted than you might like. A specific 3rd party software/service or physical accessory (HDD, Memory module, Network Upgrade) might not appear on the Synology compatibility pages, but that does not mean it will not function with the DS723+ NAS. It is more a case of Synology choosing not to test/evaluate a particular setup (in their defence, there are ALOT) and therefore until stated otherwise is therefore listed as incompatible and is therefore being used without their full, guaranteed support long term. In short, you can DEFINITELY feel that DSM 7/7.1 is a fantastic NAS platform, but it comes with a certain degree of rigidity by Synology on the DS723+ NAS. A little more relaxed than entries in the Enterprise XS or SA systems, but it is definitely still there.
NOTE – Video Review is ‘In Progress’ and will include the 10GbE and DSM 7.1 Testing, which will also be added to this review shortly afterwards. Apologies for the delay.
Synology DS723+ NAS Review – Conclusion & Verdict
There is no denying that the Synology DS723+ NAS is the most powerful, capable and upgradable 2-Bay that Synology has EVER released. Although the AMD Ryzen dual core Ryzen CPU is going to be a sticking point for those who wish a quad-core and/or integrated graphics CPU had been used (eg video conversions server side in Plex and the like) – the capabilities of the DS723+ NAS in it’s traditional performance, handling and throughput are better than they have ever been on ANY other Synology 2-Bay before. The 10GbE optional upgrade on this system is a very welcome but surprising option on this device (given Synology’s past reluctance to prove this on a system that may well struggle to saturate it with just two bays). Then there is the support of M.2 NVMe SSD storage pools, making the DS723+ NAS just the 2nd every Synology NAS to support this function (alongside SSD cache support of course) – though odd decisions on Gen 3×4>3×1 handling are still a touch puzzling. Support of DSM 7.1 (DSM 7.2 beta soon, at time of writing) runs beautifully on the DS723+ NAS and is still clearly what is the primary selling point of this system is, with Synology offering the system as a solution and entry poit into their ecosystem, rather than a hardware/nuts-and-bolts purchase. The full range of 1st party tools (Active backup, VMM, Photos, Drive, Collaboration Suite, Hyper Backup, Surveillance Station and more) still continue to impress and to have full and (mostly) licence free access to these from such a compact server system is genuinely fantastic. Likewise, the support of 3rd party client applications and SaaS/PaaS services (Google WorkSpace, Office 365, VMware, Hyper-V, etc) still maintains a high standard of integration with the synology tools, though with a clear growing movement by the brand to prioritize it’s own services.
Still, there is a lingering feeling that the DS723+ NAS in it’s default state is crying for a defacto day one upgrade. The 2GB of base memory seems rather penny-pinching, despite the support of ECC. The 10GbE upgrade option is welcome, but largely inevitable when the default connection are 1GBe – IN 2023! I return to my point at the intro, where there DS723+ arrives (at least in terms of hardware) as practically half of the DS923+ (half the bays, half the memory, half the USBs, etc), but with a pricepoint that is certainly not half. Therefore in many ways, the DS723+ NAS serves as a compelling argument to just skip it entirely and go for the DS923+ for about £200 more and enjoy those extras and partially populate. The support and compatibility of 3rd party hardware on the DS723+ NAS is a fraction more streamlined than some might like (eg 22TB and 20TB HDDs still remain absent on the compatibility list, yet Synology branded 18TB drives are clearly available and we absent upto that point despite WD and Seagate NAS alternatives in the market), but overall the DS723+ is still a great NAS and easily cements itself as the best 2 bay offering by the brand in their 20+ year history.
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