Synology RS422+ NAS Review – The Compact Ryzen Rackmount
Synology has really been hitting the enterprise and high-end business market hard of late! With the brand clearly making moves to try and occupy a place in the highest hybrid cloud and service level storage providers, some have been concerned with Synology’s continued commitment to the home, prosumer and SMB. Therefore, many users were relieved to see the release of a new 1U prosumer/SMB in the brand’s Rackstation series, the Synology RS422+ NAS. This new 4-Bay rackmount server changes familiar staples of this scale of solution from Synology that make comparisons between the RS422+ and the RS419 or RS820+ very difficult, as this system arrives with better base hardware than those two options, but also has a few upgrade and scalability hurdles that make it a pinch less future proof for some users. Indeed, the RS422+ rackstation is a notably different kind of Synology NAS. Let’s sink our teeth into this rather compact embedded Ryzen rackmount and see whether it deserves your data.
Synology RS422+ NAS Review – Quick Conclusion
What Synology has produced in the RS422+ Rackstation NAS is an intriguing middle ground between their more cost-effective ARM-based rackmount solutions and their more expensive scalable and upgradable servers. On the face of it, you are getting a tremendously compact but capable 1U 4-Bay rackmount server that, as soon as you factor in the included DSM software and services, is very good value for businesses that want to move their data out of 3rd party cloud and into something they have full control over. Additionally, that CPU (though a fraction divisive when compared previously vs Intel chips in the desktop DS1522+) makes more sense here in this more affordable Rackstation solution. The lack of NVMe M.2 SSD slots, fixed 2GB memory and lack off rails I am less keen on here (and I am still a little on the fence about the way they have pursued 10GbE upgrades in this system) but you are still getting a very well built and small scale NAS solution here and Synology have found a good price point here for this complete solution. Additionally, the fact that Synology has not been so restrictive on HDD use in this system than in more enterprise solutions in 2022 is welcoming too, though they are still taking an odd stance on some drives nonetheless. Ultimately, I can recommend the Synology RS422+ Rackstation NAS to smaller business users, though looking for a compact and very easy-to-deploy NAS solution for surveillance, central business storage, additional backup layers and for DSM as a whole. Though multimedia users might want to give it a miss.
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Synology RS422+ NAS Review – Packaging
The first thing that struck me when I saw the Synology RS422+ NAS was how small the external box was. When you hear ‘rackmount’, your brain automatically thinks ‘big, awkward, noisy’. However, in the case of the RS422+, I was genuinely surprised at the scale of the box it arrived inside.
The unit arrives in the usual Synology packaging, 2 layers of cardboard and surrounded by hard foam for protection from shock damage and motion in transit. Synology has been increasing its range of more compact solutions in its portfolio for a number of years now (more commonly referred to as ‘half depth’), but still maintains the high level of protection that is afforded to them in transit. The unit is completely held in the rigid foam and the accessories pack, though a touch light on contents) in safely nestled inside.
Laying the contents of the RS422+ kit out on the desk shows that there is not a tremendous amount of contents to feast our eyes on. There is the NAS, screws for 2.5″/3.5″ media, details on the 3yr warranty, ethernet cables, first-time setup instructions, optional system handles and a mains power cable.
Although I am still a little surprised that Synology never include rail kits with their rackmounts by default (which might be a bit of a time/ease-of-access advantage if you use this in a full-depth rack cabinet that has standard depth rackmounts already installed alongside it), they do include the optional handles that allow you to slide the RS422+ in and out. Though I can definitely see alot of users considering installing this system outside of a classical rack cabinet setting, thanks to it’s small scale chassis. So perhaps in the case of half-depth rackmounts (especially in 1U) making rail kits options makes a little more sense.
The ethernet cable included with the system is Cat 5e, which given that this system is 1GbE by default is perfectly fine. Overall this is a fairly standard and safe accessory kit that will give you pretty much everything (aside from media, obviously) that you will need to get this system up and running quickly. The protection and presentation of the system is as AAA+ as always from Synology and their high-class branding/image continues to set it apart from box shifters. However, it’s what is on the inside that counts! Let’s discuss the design of the Synology RS422+ Rackstation NAS.
Synology RS422+ NAS Review – Design
This 1U Rackmount chassis features 4 bays of storage on the front, as well as an additional ventilation cavity above the HDD bays. Rackmount devices will almost always use a more horizontal means of internal ventilation, allowing air to pass through the system in this controlled, single-path fashion. The complete chassis is metal, with a plastic front panel.
Each of the bays can support a 3.5″/2.5″ drive, connecting to an internal combined SATA+Power connector. Though this system does not feature M.2 NVMe SSD bays internally, you can still occupy one or more of the main bays with SSDs and still use this feature. However, with only 4 bays available and no support of expansions (RX418), it would be a little fruitless. The RS422+ also supports Synology’s flexible RAID system, Synology Hybrid RAID (SHR), so mixing drive capacities is an option on day 1 or day 1000 increasing storage gradually if needed. There is also the support of traditional and more rigid RAID types, such as RAID 1, 5 and 6, so it’s good to have the choice.
It is worth remembering though that Synology has been a tad more selective about the HDDs and SSDs that they have put on the RS422+’s compatibility than in previous releases in this series. They are not as strict as those of the 22 XS+ series or high capacity solutions that only seemingly support Synology storage media, but there are omissions such as WD Red and Red Pro drives that will lead to many querying their absence. These drives will likely work, but DSM 7.1 will likely highlight that they are not on the compatibility list and recommend their replacement (with an amber alert notification present).
The trays inside the RS422+ NAS are metal, lockable (with keys included in the accessories kit) and have screw holes for installing media very easily. This system also supports hot-swapping (i.e. removing/adding drives whilst the system is on, though never remove a drive from an existing RAID pool), Hot spares (initialized drives that sit and wait for use in RAID re-builds) and Storage Manager in DSM also has the support of a FAST RAID Rebuild option. This is a feature that, in the event of a drive failure, the RAID rebuild will only rebuild the data on the areas of the disk where it was before (as opposed to checking and verifying even the empty spaces bit by bit) and the areas that had no data are simply zero’d out.
The front of the RS422+ lacks any LCD panel and instead features multiple LEDs that denote the system activity (network health, drive access, system status, etc). For such a small profile rackmount ANS, this will be more than sufficient to get an idea of how the system is operating at a glance. The RS422+ lacks any KVM access or direct interface without a 3rd party client device, but this has always been how Synology have designed their systems on the whole.
One thing that is very unique to rackmount NAS from Synology that you NEVER find on any desktop system is the inclusion of a mute button. Now, this button is designed for when the system starts beeping to alert the end-user/on-site-techie that something is amiss. These alerts can be customized to cover everything from serious stuff such as a RAID drive failure, network disconnection, system resource overuse or substantial rise in temperature. However, perhaps because of the enterprise and/or rackmount nature of the device, these rackmount systems feature an extra option to switch off these audio alerts. I have never quite understood this, as rackmount servers are all too often in a dedicated area of a building (server room, cabinet, cupboard home lab) because they tend to make more noise in operation 24×7. Whereas desktop NAS servers are all too often in the same room as people working. So, both in terms of proximity to the noise and convenience of quickly disabling the noise without entering via a browser/app GUI, it would make so, SO much more sense to have them on a desktop. Still, nice to have it here, I have just always wondered about that.
As mentioned earlier, you can attach handles to the front of the RS422+ to allow for easier removal from a rack cabinet for maintenance. It would have been nice for Synology to include rails with the server, but ah well. Attachment of the handles takes barely a couple of minutes and they feel nice and sturdy.
Overall, the design of the Synology RS422+ is of an expected high quality. There has been little or no change in this chassis compared with the older gen 1U rackmounts, but that is not a bad thing – if it’s ain’t broke, don’t fix it etc. The choices by Synology with regard to storage media are a little less transparent than some might like, but at least there is a wider degree of storage media supported on this system than many of the higher-end business products in the 2022 releases so far. Let’s discuss the connectivity of the Synology RS422+ Rackstation NAS, as we have an interesting mix of stuff to cover.
Synology RS422+ NAS Review – Ports and Connections
Rackmount servers have always been among the most desirable when it comes to business, largely down to generally higher hardware inside, greater network connectivity and increased expandability (unsurprisingly, given modern businesses are the ones producing the most data). Now Synology is no stranger to this, even in 1U rackmount form, but in spite of this the RS422+ is possibly one of the least scalable and upgradable rackmount solutions that the brand has ever introduced into the plus tier of it’s rackstation series. That isn’t to say that the RS422+ doesn’t;t have some solid hardware inside and out, it is just noticeable more ‘lower glass ceiling’ than almost all of their current rackstation solutions in 2020/2021/2022. The available connections on the rear of the system are (for the most part) exactly what you would expect, comparable to most other rackstation solutions.
Unlike some of the bigger/scalable solutions, the RS422+ does not feature a redundant PSU option (i.e. an RP version, such as the RS822RP+ or RS2422RP+), though it DOES support Synology High Availability (SHA) to sync two RS422+ NAS’ together in an Active/Passive failover dynamic. What it has in its petite rack chassis is a single modest 100W internal PSU that Synology reports (when fully populated with HAT5300-16T HDDs) power usage of 37.93 W (in access) 13.43 W (when in standby/hibernation). That is an impressively low power consumption for this 4 Bay, especially when you factor in that AMD embedded Ryzen 64bit x86 processor. What about noise?
Well, that’s another of the classic rackmount associations that the RS422+ manages to counter – it’s actually quite a quiet rackmount NAS. Obviously, it is noisier than a 4-bay desktop equivalent (having metal trays, a metal chassis and technically three fans doesn’t help) but with Synology measuring the system at 28.5 dB(A) when in full population with Synology media and in active use, that is a fraction of other rackmounts out there. Alot of that comes down to the petite design, 1U height and single PSU frame. But regardless, that is a surprisingly quiet rackmount.
Now one of the latest additions that Synology have been making to its 2022 generation of NAS solutions is in the subject of 10GbE upgrades. Network upgrades in Synology NAS systems (including many desktop NAS systems) have always been on offer on many of the PLUS series devices, however in the case of a few (including the RS422+) the way this is made available has changed. The Synology RS422+ features a small, square upgrade card slot on the rear of the chassis that is specifically marked as the Network Expansion Port.
Although architecturally this is similar to a PCIe slot, there are a few very important differences. The first is that you can no longer use standard 10GbE upgrade cards that arrive in full/half-height PCIe here. In order to attached 10GbE to the RS422+, you will need to use the new E10G22-T1-mini adapter module. This is a new, quite proprietary upgrade unit that slots into this available network expansion slot of the RS422+ that, although much less invasive to install and easier to maintain, is a very brand specific piece of kit and not something that you can buy from a third-party vendor. Now, this isn’t a huge surprise. Synology has been increasingly focusing on first-party accessories and components for their hardware for a whilst now (HDDs, Memory, SSD Cache, etc) so another move into the one-ecosystem/all-in-one solution-provider area by the brand is not going to surprise too many. However, Synology already has a range of very, very good PCIe cards to upgrade towards 10GbE, 25GbE and even combo cards that are all very good. I think it would have assumed that a traditional PCIe slot on the RS422+ would not have been especially hard (looks at the other 1U rackmounts – even those with Atom processors in the past). Equally, as this new 10GbE adapter is very new, prices are quite irregular right now and in many places the new designed 10GbE adapter is more expensive than the current PCIe E1018-T1 card.
The new 10GbE adapter card is PCIe Gen 3 x2, whereas the older generation PCIe card is PCIe Gen 3 x4 which, although might sound like the older card is better, means very little as the card is still a 10Gb card and both of these PCIe speeds/gens will give way more bandwidth than these cards can possibly saturate. The slot inside the RS422+ is also a PCIe Gen 3 x2 slot too. Not to labour the point more, but where is the SFP+ option too? This card arriving for rackmount, at least in my eyes, would certainly see a decent % of users wanting this is fiber for those longer distances and larger scale building installations. Perhaps the E10G22-T1-Mini is the first step towards an E10G22-F1-mini or E10G23-F1-mini? We shall have to wait and see.
What about the default network bandwidth of the Synology RS422+ NAS? Well as you might have suspected, it is another release from the brand to feature 1GbE network ports. Now, one might argue that this is the CHOICE to add 10GbE via the previously mentioned slot if increased performance is needed. Additionally, some might argue that the current trend for 2.5GbE in NAS is not essential, given that 1GbE and 10GbE are the more widely adopted client hardware connections. Those are both good points with a degree of merit. However, two 1GbE network ports here (so 109MB/s, or around 220MB/s or so via link aggregation) are going to immediately be a bottleneck for those 4 drive bays (HDD or SSDs). Additionally, 2.5GbE is fast arriving at the same/similar cost to 1GbE on client hardware (switches, routers, adapters via USB costing as little as $20) and although 2.5GbE has lower integration now, who’s to say where it will be in a few years and for users who are investing in a NAS with future-proofing in mind, 2.5GbE would likely have been appreciated. Perhaps Synology can make a case of PCI lanes on the CPU being stretched thinner – but with a reduced network upgrade slot of PCIe 3×2 (previous devices have 3×4 or 3×8) and 2 LAN ports, not 4 as seen previously, this does seem like an odd move.
The last ports present here are a USB Port and a COMs port. The COMs port we can largely ignore (those that need it will already know about its use and connection to existing systems in-house), but the USB port here is another puzzler. For a start, there is only x1. Even if you only factor in that Synology provides these for UPS devices and external storage (many other compatible devices such as printers, scanners and network upgrade adapters have had support discontinued or unverified officially), that still means that there is only one port to do this. Given the lack of a redundant PSU, most businesses will use this for a modest UPS – a 24×7 connection, so USB storage is off the table. Another example of this system appearing a little streamlined in comparison to many other rackstations.
Then there is the subject of expandability – of which the RS422+ supports zero. Unlike the recently revealed RS822+RS822RP+, the RS422+ does not have an eSATA/External-SAS connection for an expansion bay. On day one, that’s ok. But years down the line, even the support of SHR is not going to be particularly useful in this 4-bay system when needing additional storage for existing volumes and shares. That’s a shame, as the 10GbE expandability would have paired well done the line with increased storage as your data grows.
The ports and connections of the Synology RS422+ are ok. The inclusion of a 10GbE option is nice, but already something featured in 1U Plus series rackstations before – and in a less proprietary form. The 1GbE ports are a tad underwhelming, but there is always the case that users who do not think 1/2GbE is enough will immediately jump to 10GbE anyway. Let’s dig a little deeper and see what the inside of the Synology RS422+ has for us.
Synology RS422+ NAS Review – Internal Hardware
The chassis of the Synology RS422+ Rackstation NAS has an accessibility panel on the top of the chassis that allows access to the internals of the system. However, the RS422+ does not really have any internal upgrade options, so the main reason that you may need to access the system internals will be for cleaning/light maintenance. It is held in place by 5 screws and slides off very easily, exposing the internal board and the storage bays (which take up a good 60% of that space).
There is a tonne of space and ventilation throughout and the PSU is not a closed unit either, but a bare PSU to allow 1) a more compact and convenient arrangement internally and 2) further cooling/ventilation. The arrange meant of components across the main controller board is very clean and you can clearly see the key components have been sensibly spaced out too. The small flash module that contains the default DSM installation package is tucked in at the corner and the system arrived with DSM 7.0.1 by default. It is worth remembering that DSM, when installed, lives on the core storage drive media/RAID and this flash module is for first-time setup, as well as getting updated with the latest version of DSM (for future reinitialization) during setup.
The 2GB of DDR4 memory that this NAS arrives with arrives soldered to the main controller board, as opposed to arriving in an accessible/changeable SODIMM upgrade slots. This is going to divide opinion a little and how this gets judged comes down a little to how this device is going to be marketed. As a value/cost-effective system, fixed memory is quite standard and allows easier and more affordable production, as well as allows the brand to flesh their portfolio out towards a buyers spending/budget-priorities alot better. If this is a prosumer and/or mainline SMB system – then having this memory locking in at 2GB is a little less positive. The memory comprises 4x DDR4 512GB modules and an additional module that is the ECC component of this memory – something many database and file management NAS buyers are going to appreciate!
It’s definitely a bonus that the RS422+ NAS is yet another solution from Synology that features error-correcting code (ECC) memory, which is certainly a high-end business preference for many. This type of memory benefits from an additional module on board that checks data as it enters and exits the RAM and if inconsistencies or errors occur during the write, this memory recognizes this when comparing the format of the binary at the beginning and end of its pass through, restoring the data to its integrity before it is committed to the larger NAS system during a write operation. Those that utilize larger databases or simply huge amounts of data that are high in frequency but low in volume. Will certainly see the benefit in this rather than encountering corrupted data days, weeks, months or even years down the line. This is by far the smallest rackmount/rackstation NAS that Synology has released to feature this more enterprise-grade memory.
Now, let’s get it out the way immediately. For a four-bay NAS device running DSM7 and with an optional 10GbE connection – the Ryzen R1600 is a good CPU. Its two-core, four-thread architecture, though a little weaker than many would have hoped, has an excellent power vs efficiency level and when combined with the support of ECC memory enables the system to get more done reliably and also whilst utilizing less raw power. Other desktop and rackmount NAS from Synology that feature a similar quad-core Ryzen (the V1500) proved that this processor is more than up to the task of managing multiple RAID pools and volumes whilst in 24/7 server use. Equally, no doubt Synology have benefited from lessons learned in the previous embedded Ryzen NAS developments that have resulted in this new R1600-equipped system benefiting in how well it runs DSM7 applications. Although industry measurements are a little few and far between on this relatively new processor, the hardware architecture behind it stands out very well.
The issue for many thought, as mentioned earlier in the review and in my DS1522+ NAS review, is going to be that this is NOT an embedded graphics processor and many users look at this scale of solution as a mixed-use device for home and business, or just for purely enjoying multimedia, are going to be a bit underwhelmed as that is something that this processor is less suited for. The hardware architecture we have here is going to result in very high CPU utilization for even mid to low-end multimedia handling and heavier tasks such as 4K multimedia and transcoding while streaming, are going to push this process to the 100% utilization mark very quickly. Many are concerned that Synology may be in the process of reshaping the lower tiers of their portfolio to solely utilize these Ryzen processors, something I assume and indeed hope not to be the case. Additionally, it is worth highlighting that this particular family of Ryzen CPUs (The R1000 series) does feature AMD Vega embedded graphics options, so it is an odd choice by the brand to stick with this product family but opt away from more graphically proficient processors that are in the line-up.
Now, it is ALSO worth noting that Synology has very, VERY rarely featured an embedded graphics chip in their rackstation series and in this tier of their portfolio (i.e between ARM 32/64bit processors and expandable Atom/v1500B equipped rackmounts) the R1600 processor IS a step up! The Sequential performance with four Synology HDDs in a RAID setup via the 10GbE adapter was rated by Synology at 601MB/s Read over 516MB/s Write – which does sound low for a 10GbE connection, but you have to factor in that these are HDDs and a pure SSD setup in the write RAID could likely fully saturate the 1,000MBs connection. We were able to hit this with Seagate Ironwolf SSDs, but did not have Synology SAT5200/SAT5210’s on hand to test with the first party media.
The hardware inside the Synology RS422+ is not certainly very deliberately designed to provide a solid base of resources to run DSM/3rd party services whilst still maintaining a god price point, but also resulting in a much lower glass ceiling in terms of future-proofing and scalability of the system. Having a 10GbE upgrade is always welcome, especially at this price/storage tier, but the lack of an expansion option, lack of option to upgrade that memory above the default 2GB and lack of M.2 NVMe SSD slots to take advantage of caching (despite the £650/750 DS1522+ NAS featuring them + 8/32GB Memory, 1 more bay + 1 more USB, but the same R1600 CPU) is going to quite a hurdle for those who want to provision for the future of their storage system. Let’s discuss the Software that is included with the RS422+ Rackstation NAS, as DSM 7 is still very much the jewel in the crown of Synology’s NAS solutions in 2022, 2023 and beyond.
Synology RS422+ NAS Review – Software and Services
Now, to cover the WHOLE Synology software and services that are included with the RS422+ NAS would result in a review that is twice as long as this review so far! Synology’s Diskstation Manager software that comes with this device (either DSM 7 or DSM 6.2 depending on your preference) provides a massive arrangement of services, applications (first and third party supported) and a huge number of client applications for desktop, mobile, windows, mac and Linux (as well as a bunch of other more home-based tools). These allow management and access to the data on the RS422+ 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 RS422+, it supports practically EVERYTHING (with the exception of SHR, as previously mentioned). If you want to learn about the latest version of DSM 7 and the software and services that are included with the RS422+ NAS, watch my FULL review below (alternatively, you can read the DSM 7 Full Review HERE):
As mentioned, the RS422+ supports pretty much the entirety of the DSM 7 and DSM 6.2 applications and services. 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. Key business 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.
Synology Moments – Manage your photos and videos with deep-learning algorithms that automatically group photos with similar faces, subjects, and places.
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 – completely license free.
Synology Hyper Backup – backup you 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.
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 Photo Station – Built to help photographers manage their photos and share them with clients for feedback or business development.
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.
You cannot really fault the software and services that are included with the Synology RS422+ 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 every 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.
Synology RS422+ NAS Review – Conclusion & Verdict
What Synology has produced in the RS422+ Rackstation NAS is an intriguing middle ground between their more cost-effective ARM-based rackmount solutions and their more expensive scalable and upgradable servers. On the face of it, you are getting a tremendously compact but capable 1U 4-Bay rackmount server that, as soon as you factor in the included DSM software and services, is very good value for businesses that want to move their data out of 3rd party cloud and into something they have full control over. Additionally, that CPU (though a fraction divisive when compared previously vs Intel chips in the desktop DS1522+) makes more sense here in this more affordable Rackstation solution. The lack of NVMe M.2 SSD slots, fixed 2GB memory and lack off rails I am less keen on here (and I am still a little on the fence about the way they have pursued 10GbE upgrades in this system) but you are still getting a very well built and small scale NAS solution here and Synology have found a good price point here for this complete solution. Additionally, the fact that Synology has not been so restrictive on HDD use in this system than in more enterprise solutions in 2022 is welcoming too, though they are still taking an odd stance on some drives nonetheless. Ultimately, I can recommend the Synology RS422+ Rackstation NAS to smaller business users, though looking for a compact and very easy-to-deploy NAS solution for surveillance, central business storage, additional backup layers and for DSM as a whole. Though multimedia users might want to give it a miss.
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