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Synology DS423+ vs DS923+ NAS – Which Should You Buy in 2024?

Par : Rob Andrews
25 mars 2024 à 18:00

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+ (by 6+ months), 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 25/02/24)

$599 (Amazon 25/02/24)

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
SSD TRIM 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
file agreement SMB/AFP/NFS/FTP/WebDAV SMB/AFP/NFS/FTP/WebDAV
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 NAS
Amazon Price: Synology DS423+ NAS

$479 (Amazon 25/02/24)

Synology DS923+ NAS

$599 (Amazon 25/02/24)

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Plex Tests – Synology DS423+ vs DS923+ NAS Comparison

Par : Rob Andrews
26 février 2024 à 18:00

Synology DS423+ vs DS923+ Plex NAS Comparison – Which Should You Buy?

Today I want to compare the hardware on offer inside the Synology DS923+ NAS (released in Dec 2022) and compare it with the newer and more lower powered, but hugely popular Synology DS423+ NAS (released inin Summer 2023). However, unlike previous comparisons of these two NAS (such as the hardware and software comparison HERE that I published a few months ago) today I want to compare how the DS423+ and DS923+ perform as a Plex Media Server, with a series of 720p, 1080p and 4K tests. I have already tested these two NAS devices individually, but never directly compared their performance side by side. Now that a number of prominent Synology NAS releases have arrived with AMD Ryzeen embedded processors (such as the AMD Ryzen R1600 and V1500), many are wondering if they should choose to buy the older and more affordable Synology NAS drives that still feature Intel embedded/integrated graphics, such as the DS423+ with it’s J4125 Celeron CPU. So, let’s get this test up and running. First, we need to take a quick look at the individual hardware of these two NAS devices.

Synology DS423+ NAS Synology DS923+ NAS

Synology DS423+ vs DS923+ Plex NAS Comparison – Internal Hardware

These 4-Bay Diskstation releases from Synology have always been one of the most interesting tiers of the brand’s desktop solutions. The reason for this is that all too often this scale of system serves as a bridging point between Prosumer & SOHO systems and the small/medium business hardware in their portfolio. This is demonstrated first in the scale of the available RAID 5/6 storage, but then more so in the scalability and upgradability of these two volumes system, allowing an expansion, greater network connectivity (arriving with 2x LAN ports) and better internal hardware than the more domestic targetted solutions – often with the internal hardware differing considerably between each periodic 2-3yr refresh by the brand. Let’s first look at the internal hardware of these two NAS’ to see how much they differ. The DS423+ NAS first arrived on the scene with some great hardware advantages over the rest of the plus series 2023/2024 systems (DS223, DS124, etc), arriving with a 4 Core Intel Celeron Processor that featured integrated graphics, 4GB of DDR4 2666Mhz memory and NVMe SSD upgrade slots. In the 3-4 years since this hardware configuration was firt released though (the DS920+/DS720+ released in summer 2020), Synology clearly decided to make some big changes in the base level architecture of the plus series and specifically in the DS923+ to make it considerably more scalable and general business/file-ops focused. The newer DS923+ features a dual-core AMD Ryzen embedded R1600 that, although arriving with half the cores of the Celeron in the DS423+, has a higher CPU frequency and total achievable frequency in turbo/burst when needed. That said, users will be surprised to learn that this CPU also does not feature embedded graphics, so therefore the DS923+ will be less CPU efficient at handling multimedia or VM deployment than the DS423+.

Though both systems feature DDR4 memory, the DS423’s maximum 8GB of memory is beaten by the DS923+ thanks to its use of much more impressive ECC (error code correction) memory to identify and repair any bit level write errors and can also be scaled to a considerably higher 32GB of memory (arriving with 8GB by default).

NAS Model DS423+

DS923+

CPU Model Intel Celeron J4125 AMD Ryzen R1600
CPU Quantity 1 Embedded Ryzen
CPU Architecture 64-bit 64-bit
CPU Frequency 4-core 2.0 – 2.7 GHz 2-core 2.6 – 3.1 GHz
Hardware Encryption Engine (AES-NI) Yes Yes
Integrated Graphics Yes No
CPU Cache 4 MB cache 1 MB L2 cache, 4 MB L3 cache
Memory
System Memory 4GB DDR4 non-ECC SODIMM 4GB DDR4 ECC SODIMM
Memory Module Pre-installed (4GB On-board) 4 GB (4GB x 1)
TDP 10W 25W
Total Memory Slots 1 2
Maximum Memory Capacity 8GB 32 GB (16 GB x 2)
System Fan 92 mm x 92 mm x 2 pcs 92 mm x 92 mm x 2 pcs
Power Supply Unit / Adapter 65W External 90W External

You can find out more about the hardware-specific difference between the Synology DS423+ and DS923+ NAS in the video below OR via the article HERE. This video/article coves everything from the storage capabilities, ports & connections and extent to which they run/perform in DSM 7.1. Although this article is specifically tailored to look at Plex Media Server performance, I would strongly recommend checking out more information on either of these NAS before you make any decision.

Let’s carry on talking about these two NAS and Plex. What difference des the TYPE of media tha you play make on how these two NAS perform in Plex?

Synology DS423+ vs DS923+ Plex NAS Comparison – Understanding MEDIA!

Important Terms to Understand in Plex/NAS/Multimedia that will make the DS923+ or DS423+ NAS Plex Tests Easier to Understand.

  • SD, 160p, 240p, 480p, 720p, 1080p, 4K : This is the resolution that the media is being displayed at. The higher the resolution, the larger number of pixels that are available and depending on the original recording quality of the media in question. High resolutions, such as 1080p and 4K require more work to be done by the NAS hardware in order to playback the file. More often than not, a NAS with weak embedded graphics or no embedded graphics at all will be unable to play 4K very well or indeed at all. It is important to remember that just because a NAS brand like Synology says that their latest NAS can natively play back 1080p or 4K media (natively = played using their own NAS software, software client tools and/or DLNA), that does not mean that the DS423+ or DS923+ will play to the same standard in Plex, as Plex is a 3rd party tool
  • Transcoding, Encoding, Decoding : These are all different techniques/names for when a file needs to be changed in order to be better suited to the connected client device connection, strength or hardware. If you are accessing all your media on the local area network (i.e only accessing your plex media at home), then transcoding will rarely be something you will use (unless your media is largely H.265/HEVC based, see earlier). However, perhaps you are accessing your plex library on the train to work or from a sun bed whilst on holiday. Perhaps you have a smaller data bandwidth/allowed MB/GB, maybe a weaker internet connection, perhaps you are using a smaller phone device and you might not need to watch your 4K 50GB Blu-ray rip of the latest Marvel Movie – in these situations, you might well want to access the media on your Synology DS923+ or DS423+ Plex NAS at a lesser quality than the original version, so transcoding/re-encoding on the fly (as in, at the same time it is being played) is what you would want to do. Remember, transcoding is by far the most heavy-weight thing you will need to do on a NAS. It is also worth remembering that in order for Plex o be able to use the FULL resources of a NAS CPU (such as embedded graphics) that you will need to enable ‘Make My CPU Hurt’ in the Encoder Menu of the Plex NAS Settings menu – this also potentially requires a Plex Pass subscription, depending on the NAS in question

 

  • H.264, HEVC, H.265 :  These are compression techniques that are designed to allow large-scale media presentations that were made for a cinema to be viewable from your sofa (with H.265 being the more effective/powerful compression level). H.264 can largely be played by ALL devices, but many devices do not have permission or a license to play H.265/HEVC (they are the same thing). This is because, where H.264 is an easy license and comparatively free to use, H.265/HEVC licencing and patents are spread across multiple providers and allowing a device license to use this compression technique can be complex, expensive or simply impossible. Therefore HEVC/H.265 media will sometimes AUTOMATICALLY need to be converted/transcoded into H.264 etc in order to be played – therefore eating up more system resources. The DS923+, much like the rest of the Synology NAS range do not arrive with HEVC support by default
  • Bitrate : Bitrate is the amount of data encoded for a unit of time, and for streaming is usually referenced in megabits per second (Mbps) for video, and in kilobits per second (kbps) for audio. Higher quality and higher resolution media tends to be of a much higher bitrate

For more information on the most important terms to understand when discussing/researching a NAS as a Plex Media Server can be found in my video below:

Any further questions, you can use the free advice section at the bottom of the page and ask me and Eddie directly.

Synology DS423+ vs DS923+ Plex NAS Comparison – 720p h.264 3Mbps Video File

The first test was with a very low-end 720p media file:

Virtually no difference in performance and you can likely play a considerable number of these files before the system shows even a hint of difficulty.

Synology DS423+ vs DS923+ Plex NAS Comparison – 720p h.264 3Mbps Video File

Another 720p file for test two, similar bitrate to test 1:

Once again, both the DS423+ and DS923+ NAS performed near identically in Plex and zero issues were seen.

Synology DS423+ vs DS923+ Plex NAS Comparison – 720p h.264 3Mbps Video File CONVERT to 480p

Test three was our first transcoding/encoding test. Here I wanted to see how well the systems would cope with having a fle format/playback altered on the fly. If you are watching media on smaller devices, over limited internet connections or using a legacy client device that does not support the file format, compression, codec or scale (size), then transocding is going to be very important. This was 720p down to 480p

Both played the file and transcoded it very easily. Despite the lack of embedded graphics on the R1600 CPU inside the Synology DS923+ versus the Intel J4125 Celeron inside the DS423+, things were great on both in this test.

Synology DS423+ vs DS923+ Plex NAS Comparison – 720p h.264 3Mbps Video File CONVERT to 240p

Time for ANOTHER transcoding test, but this one was s much bigger and more extreme transcode/encode. I wanted to change a 720p file to a 240p file format. This is a pretty aggressive change and one that was mainly picked to simulate heavy Plex NAS use generally (not specific to this format of file/change).

This was the first (and not last) time that the clear advantage of an embedded graphics Intel Celeron CPU inside the DS423+ would prove much more effective in Plex versus the AMD embedded Ryzen R1600 CPU inside the DS923+ NAS. Both NAS devices did the job, but the R1600 / DS923+ had to work much, much hardware with software transcoding and raw power.

Synology DS423+ vs DS923+ Plex NAS Comparison – 1080p h.264 3Mbps Video File

On to 1080p Plex Tests on the DS423+ and DS923+ NAS. This was a fairly domestic HD 1080p file test, played native.

Once again, like the early 720p tests, the DS423+ and DS923+ performed perfectly well.

Synology DS423+ vs DS923+ Plex NAS Comparison – 1080p h.264 3Mbps

A slightly more dense 1080p file this time, using the Jellyfish test files.

Once again, very clear and even performance by both NAS systems in the 1080p 2nd test without any transcoding on the R1600 and J4125 CPU-powered devices. A clear draw.

Synology DS423+ vs DS923+ Plex NAS Comparison – 1080p h.264 3Mbps Video File CONVERT to 160p

Time for more transcoding! Transcoding/re-encoding the 1080p file in Plex to an incredibly lowly 160p. Again, I am aware that few users will actually watch 160p, but many will want this support for audio media equivalent workload and/or for large numbers of streams. Ultimately, we want to know the impact on the DS923+ and DS423+ NAS in plex with these.

Once again, the onboard/embedded graphics that the Synology DS423+ (Intel Celeron J4125) has over the non-integrated graphics DS923+ (AMD R1600) clearly resulted in the older 4-Bay NAS getting this job done with very little fuss. Whereas the Neewer 5-Bay NAS was unable to complete the task.

Synology DS423+ vs DS923+ Plex NAS Comparison – 1080p h.264 100Mbps

Switching things up to an incredibly DENSE 1080p file, I selected the 100Mbps file format (h.264) to see how the DS923+ and DS423+ would play this natively.

Very similar results on both NAS playing the file natively, which was very positive. The DS923+ used the tiniest bit more, but in the grand scheme of things, both of these NAS performed exceptionally well in Plex and this heavy-duty 1080P FILE.

Synology DS423+ vs DS923+ Plex NAS Comparison – 1080p h.265 – HEVC 10bit 10Mbps

Now we move towards a very different ball game. Although the next test was a 10Mbps bitrate 1080p file (remember, the previous test was 10x this density), this time we selected the H.265 / HEVC 10bit file. As mentioned earlier, HEVC (highly efficient video codec) requires licensing by the client hardware manufacturer and software provider (with many/most not including it, relying on the hardware to convert the file to H.264 by default). HEVC is much more space efficient than H.264 and alot more media in 2022+ is arriving in this format. However, converting it (aka Transcoding by another name technically) is a demanding task. Here is how the DS423+ and DS923+ performed:

Once again, the Synology DS423+ and it’s Intel Celeron J4125 CPU got the job done with little-to-no fuss, whereas the AMD embedded Ryzen R1600 CPU inside the DS923+ immediately hit 100% CPU Utilization and failed (taking longer to convert the file per second than an actual second!).

Synology DS423+ vs DS923+ Plex NAS Comparison – 4K h.264 120Mbps

Next one, time for some 4K PLAYBACK! Now, it is worth highlighting that we ARE looking at quite high-end 4K media here, at 120Mbps – so the odds of you having much media in this format/scale is quite small. Still, 4K TVs and the affordability of 4K media is growing, so we need to test 4K, as well as scale it up for years to come. I wouldn’t normally recommend either of these NAS for 4K Plex use (recommending at least an Intel Pentium, i3 or higher generally), but here is how they performed:

Yep, both NAS devices failed. But again, remember that this is a 120Mbps file. Had we tested 4K at the bitrate of many of the 1080p files, it would have been better. We have some 4K dedicated Plex content coming soon on these NAS devices, so stay tuned!

Synology DS423+ vs DS923+ Plex NAS Comparison – 4K h.265 – HEVC 120Mbps

Next we tested the same dense 120Mbps 4K files as before, but in the HEVC version. Again, due to the support of this compression level on each of these Synology NAS being limited, converting the file was needed by default. Here is how the DS423+ and DS923+ NAS performed.

Yep, thanks to the introduction of converting the 4K file being needed, the embedded graphics of the DS423+ CPU saved the day hugely and the result was that although it played (after a small delay) on the Intel-powered DS423+, the DS923+ and ADM Ryzen hit a wall very quickly.

Synology DS423+ vs DS923+ Plex NAS Comparison – 4K h.265 – HEVC 200Mbps

Our final test was a 4K file in HEVC, much like the previous test. However this was a HENCH 200Mbps – a herculean task compared with all other tests in this article. Here is the DS423+ and DS923+ tackled the task.

Yep, once again, that Intel J4125 Celeron CPU and it’s integrated graphics was able to get the converting/encoding done on the fly and win here. The AMD embedded Ryzen R1600 COULD have off-line transcoded for sure, but when it came on on-the-fly conversions, it just lacked the right tools on board. Want to watch more tests on either of these NAS drives IN PLEX? You can visit the links below to view the individual Plex Media Server tests for each of the DS423+ and DS923+ NAS. These videos and articles include several more tests and go into more detail on the difference between H.264 and H.265/HEVC media, as well as further 1080p and 4K testing:

Written Plex Test Articles YouTube Plex NAS Test Videos

Synology DS423+ vs DS923+ NAS – Conclusion and Verdict

Comparing the DS423+ from 2023 and DS923+ from late 2022 did seem a little unfair at first, as ALOT can happen in 1.5 years (technology moves FAST!). However, in terms of supporting multimedia, if you are looking at these two NAS drives SPECIFICALLY for Plex Media Server and Multimedia use, the older generation device with its Intel embedded graphics CPU just wins the day over the Embedded Ryzen R1600 from AMD. But either of these NAS devices presents a decent-sized financial investment and I think most users need to think about using them for MORE than just multimedia. Synology has clearly done a lot of thinking in the two years between the release of the DS423+ and DS923+, deciding to change the latter into something more ‘business-y’. When the DS423+ first arrived, it did so to mixed responses (Still 1GbE, an Intel Celeron but an older revision) and it has pretty much always been in the top 5 NAS since its launch for most users in terms of price and ability. Those with longer memories will know that the Diskstation portfolio used to be largely dominated by very much this kind of hardware architecture (i.e a file transfer focused CPU, more memory scaling, optional 10GbE, etc) and rather than building off the design of the 4-Bay DS920+ that came before it, the DS923+ seems to scale itself against the DS1621+. DS1821+ and more in it’s shape and abilities. If you were already looking at Synology NAS systems that being a heavy emphasis on scaling their architecture notably down the line in efforts to remain future proof, the DS923+ is going to tick ALOT of boxes for you. Whereas if you were looking at a Synology NAS for home use, a Plex Media server, low client/user use and generally as more of a setup-and-forget solution, then the DS423+ will likely suit your needs better and will have the added benefit of a more palatable price point in 2022. How far Synology will extend the build logic of the DS923+ towards other solutions in the diskstation/rackstation portfolio still remains to be seen. Most business users will want to opt for the DS923+ though. Cheers for reading!

NAS MODEL ID

Synology DS423+ NAS

Synology DS923+ NAS

Where to Buy:

 

Need More Help Choosing the right NAS?

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Recommended 4-Bay NAS of the Year 2023/2024

Par : Rob Andrews
6 décembre 2023 à 18:00

A Guide to the Best 4-Bay NAS Drives to Buy Right Now

For professionals transitioning from cloud services to private servers, the 4-Bay NAS market is often the preferred starting point in 2023-2024. With NAS hard drives reaching capacities of 22TB and soon 24TB, combined with enhanced redundancy features for data safety, these 4-disk servers stand out for their superior internal and external hardware. The evolution of NAS technology has significantly raised the quality of prosumer and small-business 4-Bay NAS systems, maintaining a consistent price point across different tiers. As an experienced reviewer of numerous NAS devices over the past few years, I can confidently state that the 2023-2024 period is one of the most competitive yet. The latest developments include widespread adoption of M.2 NVMe SSDs for caching and storage in all major NAS brands, the expansion of 2.5GbE networking, introduction of new processors enabling higher internal bandwidth, and the continuous enhancement of NAS software, making these devices more versatile and powerful than ever. So, let’s explore the best 4-Bay NAS drives available as we head into 2023-2024.

Best 4-Bay NAS of the Year

What Have All the Best 4-Bay NAS Drives Have in Common?

While there’s a vast array of 4-Bay NAS drives available as we head into 2023-2024, it’s crucial to recognize that their quality and features vary significantly. The market is awash with budget options, but these often lack the durability and performance of premium brands. In your search for the ideal 4-Bay NAS, whether it’s among my top recommendations or elsewhere, look for systems that consistently provide the following key features:

  • Combined Hardware & Software Solution: This includes the NAS hardware and a comprehensive software suite with a web browser GUI, mobile apps, and desktop client apps for various functionalities including backup, media streaming, surveillance, and file management.
  • Support for Both SATA and M.2 NVMe SSD Bays: All top 4-Bay NAS drives this year feature this essential hardware capability.

  • Compatibility Across Multiple Operating Systems: Each NAS system should work seamlessly with Windows, Mac, Android, and Linux.

  • Warranty of 2-3 Years, Extendable to 5 Years: A standard warranty period with an option for extension.

  • Local and Secure Remote Network Access: Capability for local network access and secure remote access via brand-supported services, at no extra cost.

  • Support for Latest Large Capacity Hard Drives: Modern NAS systems should support up to 20TB NAS hard drives, such as Seagate Ironwolf 22TB and WD Red 22TB.

  • Multiple Drive Configurations (RAID): These enhance both performance and data safety.

  • Regular Security and Feature Updates: Ensuring the NAS system stays up-to-date and secure.

  • Cloud and Business Service Synchronization: Compatibility with services like Google Drive, Dropbox, OneDrive, AWS, Azure, and Backblaze.

  • Shared Drive Hosting Capability: The ability to host a shared drive on PC, mobile, or laptop systems, synchronized with the NAS and displayed in the native file manager.

  • Direct Access via Ethernet/Network Cable: For high-speed connectivity, direct access through an ethernet/network cable to the NAS is essential.

  • Backup and Sync Tools: These should be available for installation on local client computers, facilitating regular backups of files and system data.

Ensure that any 4-Bay NAS you are considering possesses these features, as they are critical for a quality NAS experience. Now, let’s delve into the top 4-Bay NAS drives to invest in for 2023-2024.


Honourable Mention: QNAP TVS-474 NAS

0-88TB, 4-Bays, 2x Gen 3 x2 M.2 NVMe 2280, Intel Pentium Gold G7400 2-core/4-thread 3.7 GHz CPU, Intel Embedded UHD Graphics 710, 8-128GB DDR4 Memory, 2x 2.5Gbe Port, PCIe Gen 4 x16 + PCIe Gen 3 x2, USB 10G, HDMI 2.0B, 3-5yr Warranty

Current Price/Availability on Amazon – $1,199

Hardware Preview – LINK

YouTube Video Review – Watch

What I said in my Preview Sept ’22:

As previously mentioned, the QNAP TVS-h474, TVS-h674 and TVS-h874 are the follow-ups to the popular TVS-472XT, TVS-672XT and TVS-872XT released in the closing stages of 2018. In the 4 years since their initial release, that thunderbolt 3 product series ended up being diversified into a standalone 10GbE version and a 5GbE version – all of which using 2/4/6 Core, 8th Gen Intel Core processors and PCIe 3 architecture. The newer 4, 6 and 8-Bay x74 series have pretty much ramped up every element of their predecessor’s architecture (even the USB ports) and although the CPU is the main reason for this tremendous upscaling of the result of the hardware architecture, you do still get some fantastic hardware under the bonnet generally. That said, it’s worth highlighting that the scaling of the hardware between each capacity tier (and even sub-versions at each tier) means that depending on which system in the series you choose, some hardware options might not be available. The TVS-h874-64GB 8-Bay version is the full Intel i9 16 Core version with full PCIe4 support and 10GbE, whereas the most affordable tier is the TVS-h474-8G 4-Bay with PCIe 3/4 architecture, a Dual Core Pentium Gold and 2.5GbE. Let’s quickly compare the hardware architecture of the three NAS systems and their sub-versions:

So, let’s dig a little deeper into those CPUs.  With QNAP slowly revealing more and more PCIe 4 upgrade and expansion cards (such as the 2x10GbE+2xPCIe4 NVMe Combo card QM2-2P410G2T and the Dual Port 100GbE QXG-100G2SF-CX6), the necessity for their business class and desktop enterprise solutions to utilize these cards is going to be tremendously important. However, PCIe 4 bandwidth is what makes these cards possible, as a single PCIe4 lane provides approx 2,000MB/s compared with the 1000MB/s of PCIe3 – even when you add x4 or x16 lane multipliers that form the architecture of PCI slots, that still means a difference of 16GB vs 32GB of potential bandwidth. The barrier for many though is that PCIe4, although established in many motherboards and accessories, is not quite as widely supported in server-class CPUs till around 2021 onwards. This (alongside a hugely powerful onboard embedded graphics component) is what continues to push QNAP to utilize the Intel Core family of CPUs in this product tier over the years. With CPUBenchmark scoring for these CPUs ranging from 6,600+ to 36,000+, you have some series Xeon/EPYC challenging processors here and when you consider these are DESKTOP solutions, not rackmount, that is especially impressive!

SOFTWARE - 9/10
HARDWARE - 10/10
PERFORMANCE - 10/10
PRICE - 7/10
VALUE - 8/10


8.8
PROS
👍🏻ZFS and EXT4 Support
👍🏻Pentium Gold Processor 4-Bay - NICE
👍🏻Graphics Card Support
👍🏻PCIe Gen 4 Lanes and a 4x16 Slot
👍🏻2.5GbE by default
👍🏻Massive Memory Support
👍🏻LCD Panel Always Useful
👍🏻USB 10G Ports
👍🏻m.2 NVMe SSD Slots for Caching OR Storage Pools
👍🏻Best Plex 4-Bay NAS in 2022/2023 by a good distance!
CONS
👎🏻Expensive!
👎🏻Still waiting for an I3 option
👎🏻Power Hungry and a pinch noisy in operation
DEAL WATCH Is It On Offer Right Now?


These Offers are Checked Daily

 


Lowest Priced Plex 4-Bay NAS Drive – Terramaster F4-423 NAS

0-88TB, 4-Bays, 2x Gen 3 x1 M.2 NVMe 2280, Intel N5105 Celeron CPU Quad-Core Integrated Gfx CPU, 4-16GB Memory, 2x 2.5Gbe Port, 3yr Warranty

Current Price/Availability on Amazon – $460

Hardware Review – LINK

YouTube Video Review – Watch

What I said in my review May’22:

Terramaster still continues to be the most affordable fully-featured provider of the whole NAS market and although a number of their solutions have always felt a little rough around the edges, you always got the impression that you were getting a good deal for the hardware that was available from QNAP and Synology. Now in 2022/2023, the same continues to be true but in the F4-423 NAS’ case, you are actually getting some pretty top tier (for the Home/Prosumer) market at a price tag that is really tough to argue with. Terramaster has clearly been watching their bigger competitors and cherry-picked the features that people have been asking for (2.5GbE, USB 3.2 Gen 2, M.2 NVMe SSD bays, etc) for this new generation.

In terms of software, things are a little less convincing and although TOS 5 (currently in Beta at the time of writing) still continues to evolve into something genuinely fully featured and impressive, TOS 4 that the F4-423 includes at launch is usable (if unexciting) platform that provides the base level services that a new NAS user would want, but lacks killer apps that their competitors are offering right now (File Streaming, AI photo recognition, Surveillance, etc). Most of these ARE included in TOS5, but until it arrives much later in 2022 in a full release, the F4-423 feels like a powerful NAS that doesn’t have the software to show off its strengths yet. If you are reading this later in 2022 or 2023, this might well be irrelevant though, as the brand rolls out their bit firmware update to ALL Terramster NAS devices. Overall, I definitely CAN recommend the F4-423 NAS for its hardware, for Plex Media server or as an affordable multi-tier backup solution, but if you are looking for a NAS for more tailored data access or in a much more fully-featured package – hold out a little longer till TOS 5 gets released first.

SOFTWARE - 5/10
HARDWARE - 8/10
PERFORMANCE - 8/10
PRICE - 10/10
VALUE - 8/10


7.8
PROS
👍🏻2.5GbE at the Price of 1GbE
👍🏻Good CPU for the Price Point
👍🏻USB 3.2 Gen 2 is very forward-thinking for local backups
👍🏻Great RAID Options
👍🏻Snapshot Replication
👍🏻BTRFS Support if preferred
👍🏻Supports Plex and all 1080p Transcoding
👍🏻4K Video transcoding natively
👍🏻A large amount of maximum memory supported (16-32GB – TBC)
👍🏻Includes two M.2 NVMe SSD Bays that can be used for storage or caching
CONS
👎🏻Default 4GB memory is 2133Mhz
👎🏻HDMI Currently Unsupported
👎🏻Until TOS5 is Fully Released, TOS Software feels a little empty of Killer-Apps (AI photo recognition, Surveillance, etc)
DEAL WATCH Is It On Offer Right Now?


These Offers are Checked Daily

 


Best Software 4-Bay NAS Drive – Synology DS923+ NAS

0-88TB, 4-Bays, 2x PCIe Gen 3 M.2 NVMe 2280, Dual Core AMD Emb.Ryzen R1600 CPU, 4-32GB DDR4 ECC Memory, 2x 1Gbe Port, 10GbE Optional Upgrade Slot, 3-5yr Warranty

Current Price/Availability on Amazon – $550+

Hardware Review – LINK

YouTube Video Review – Watch

What I said in my review Nov’22:

Synology has clearly made something of a gamble in the release of the Synology DS923+ NAS. There is no avoiding that making the switch from the Intel Celeron that has historically been the build choice of this product family and opting for the AMD Emb.Ryzen has ruffled some feathers! On the face of it, the R1600 here has a heck of alot of going for it over the previous generation! Higher clock speed, greater PCIe Gen 3 Support throughout, that 4-32GB of DDR4 memory in such a compact system and just generally giving you a lot more horsepower to play with, as well as better bandwidth potential inside and out! But at what cost? The 1GbE standard connectivity in the base model leaves alot to be desired, the proprietary 10Gb upgrade (though incredibly handy) limits the upgradability a tad and the lack of an integrated graphics processor is likely going to result in many long-term Synology advocates to skip this generation. Synology Diskstation Manager (DSM 7.1 at the time of writing) still continues to impress and although the brand still continues to heavily push their 1st party priorities, they have left a little more wriggle room in DSM 7.1 than DSM 7 before it in terms of media compatibility.

In terms of design, I cannot fault Synology on this as the DS923+ chassis still arrives as one of the best-looking and still exceptionally well-structured devices at this physical scale and storage level. As always, a Synology NAS is more about the software than the hardware (and the DS923+ delivers in spades on the software side!) and with DSM 7.2 around the corner improving things. Just always keep in mind that the Synology DS923+ NAS is a system that arrives with the slight emphasis on having to do many things ‘their way’. If you are less technically versed, then you will definitely appreciate this level of user-friendly design and assistance, but more technically minded admins’ main strain a pinch! In short, the DS923+ IS a good NAS drive, but its focus has certainly ebbed more towards the business user this generation than the home.

SOFTWARE - 10/10
HARDWARE - 7/10
PERFORMANCE - 9/10
PRICE - 8/10
VALUE - 9/10


8.6
PROS
👍🏻DSM 7/7.1 (and DSM7.2 Around the corner) still continues to be an absolute tour-de-force of NAS Software
👍🏻This latest generation expandable 4-Bay arriving with a 10G Upgrade Option is fantastic
👍🏻ECC Memory Support and scalability to 32GB is completely unparallel at this price point
👍🏻The design of the DS923+ NAS still continues to be market-leading
👍🏻The New CPU architecture allows great PCIe3 bandwidth to be afforded to the rest of the hardware, inside and out
👍🏻Low Noise, Low Physical Impact and Intelligent Automatic Power Use Adjustment Settings
👍🏻Increased Support for macOS in Synology Drive and Active Backup Suite (DSM 7.2)
👍🏻Synology C2 Cloud Services, 1st Party Backup/Sync Tools and Collaboration Suite App = Complete 1st Party Eco-system that can rival Office365 and Google Workspace
👍🏻PCIe Gen 3 M.2 NVMe SSD Support as Storage Pools!!! FINALLY!
👍🏻Tremendously User-Friendly!!!
CONS
👎🏻The AMD Emb.Ryzen instead of a Intel Celeron (with Integrated Graphics) will be a dealbreaker for alot of users
👎🏻The default 1GbE ports that the system arrives with are tremendously dated
👎🏻The USB ports on the system are older gen USB 3.2 Gen 1 (5Gb/s) and their support/usability have been quite pared back in recent DSM releases
👎🏻The continued moves by Synology to prioritize 1st party hardware and software services may put some users off
👎🏻Plex Support on the Synology DS923+ is still great for native playback, client-side handling and client devices with relevant multimedia licenses in place, but if server-side media conversions are needed - this system will struggle in comparison with the DS920+ before it
DEAL WATCH Is It On Offer Right Now?

Synology 4-Bay DiskStation DS923+ (Diskless) & PNY CS900 1TB 3D NAND 2.5" SATA I Amazon usa USA 18 OFF (WAS 680) [LINK]
Synology 4-Bay DiskStation DS923+ (Diskless) Amazon UK UK 6 OFF (WAS 555) [LINK]
Synology DS923+ 32TB 4 Bay Desktop NAS Solution, Installed with 4 x 8TB Seagate Amazon UK UK 6.83 OFF (WAS 1465) [LINK]
Synology DS923+ 64TB 4 Bay Desktop NAS Solution, installed with 4 x 16TB HAT5300 Amazon UK UK 26.15 OFF (WAS 3741) [LINK]

These Offers are Checked Daily

 


Best All Round 4-Bay NAS Drive – QNAP TS-464 NAS

0-88TB, 4-Bays, 2x PCIe Gen 3×1 M.2 NVMe 2280, Intel Celeron N5105 CPU, 4-16GB Memory, 2x 2.5Gbe Port, 1x PCIe Gen 3×2 Slot, 1 HDMI 2.0 4K 6-FPS, 3-5yr Warranty

Current Price/Availability on Amazon – $550

Hardware Review – LINK

YouTube Video Review – Watch

What I said in my review April ’22:

The TS-464 comfortably arrives with the best hardware in its tier of the NAS market and that is something that QNAP has always been quite good at. Even if you rewind just 5 years, the level of hardware scalability and ease of upgradability that the TS-464 provides is frankly incredible and, fast forward to 2022, is still pretty unmatched. A Desktop 4-Bay NAS (eg Prosumer RAID 5 storage) has always been the next confident step for users who are tired of their hands being tied by subscription cloud services from Google, OneDrive and DropBox, who are looking for their own competent, flexible and fully-featured private server. In the TS-464 NAS, you find a system that is unquestionable the best hardware for your money you can possibly get right now. In software, things are a little less straightforward. QTS 5, although massively software and service-rich, arrives as a complete operating system in your web browser with multiple mobile/desktop clients and hundreds of applications and apps that can be installed at the touch of a button – which can all too often be something of a steep learning curve for many.

Lacking the slightly chewable, user-friendly nature of many of their rivals, QNAP and its software/service still have a tendency to be a bit of an information overload that can quickly intimidate the novice. However, for those that are looking for a system that is completely customizable in how/when/where you want data presented to you, as well as a wide degree of 3rd party support, QNAP and QTS 5 still manages to provide a huge degree of brand-unique service that are simply not available elsewhere. Just be prepared to invest your time wisely in its setup and more time ensuring the system is perfect for your needs.

SOFTWARE - 8/10
HARDWARE - 10/10
PERFORMANCE - 9/10
PRICE - 8/10
VALUE - 9/10


8.8
PROS
👍🏻Very compact chassis design, despite large storage potential
👍🏻A BIG jump in hardware and scale from the TS-453Be and TS-453D, but with a largely identical RRP at launch
👍🏻Easily one of the most hardware packed SMB/Mid-range 4-Bay on the market
👍🏻Up to 16GB of Memory is fantastic
👍🏻m.2 NVMe SSD Bays AND a PCIe Upgrade Slot (no need to choose one upgrade path)
👍🏻8x Included Camera Licenses
👍🏻Includes Anti-virus, Firewall Tool, VPN client tools, Malware Remover, network manager and Security Councilor Tool
👍🏻3 Different Container/VM tools that also feature image download centers
👍🏻10Gb/s (1,000MB/s) USB Ports will be incredibly useful
👍🏻Large range of expansion options in the TR/TL series in 2, 4, 6, 8 and 12 Bays
CONS
👎🏻The PCIe Slot is PCIe 3×2 and the M.2 SSD Bays are PCIe 3×1 (likely limitations of all this H/W on a Celeron+chipset
👎🏻QNAP Has had 3 ransomware hits in 2019-2021 (Qlocker, Qsnatch and Deadbolt). Lots of Security app/changes since, but people remember and QNAP needs to win back that trust in 2022/2023
DEAL WATCH Is It On Offer Right Now?

QNAP TS-464-8G-US 4 Bay High-Performance Desktop NAS with Intel Celeron Quad-cor Amazon usa USA 21.99 OFF (WAS 611) [LINK]
Serwer NAS TS-464eU-8G 4x0HDD 1U Intel Celeron N5105/N5095 8G Amazon usa USA 93.71 OFF (WAS 1298) [LINK]
QNAP TS-464-8G-US 4 Bay High-Performance Desktop NAS with Intel Celeron Quad-cor Amazon UK UK 60.25 OFF (WAS 650) [LINK]
QNAP TS-464U-8G | 4-Bay, 2.5GbE, 1U Rackmount NAS Amazon UK UK 58.74 OFF (WAS 1208) [LINK]

These Offers are Checked Daily

 


Need More Help Choosing the right NAS?

Choosing the right data storage solution for your needs can be very intimidating and it’s never too late to ask for help. With options ranging from NAS to DAS, Thunderbolt to SAS and connecting everything up so you can access all your lovely data at the touch of a button can be a lot simpler than you think. If you want some tips, guidance or help with everything from compatibility to suitability of a solution for you, why not drop me a message below and I will get back to you as soon as possible with what you should go for, its suitability and the best place to get it. This service is designed without profit in mind and in order to help you with your data storage needs, so I will try to answer your questions as soon as possible. Just enter in a few details of your setup, storage requirements and (in the case of buying a new solution) your budget – then me and Eddie the Web guy can help you with your question. This is a completely free service, is NOT provided with profit in mind and is manned by two humans (no bots, no automated replies, etc). Assistance might take an extra day or two (the service gets a lot of visitors) but we do try to answer every message. If you want to support this service, you can find out how to donate HERE. Otherwise, you can still just message us for free advice anyway!

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

Par : Rob Andrews
27 novembre 2023 à 15:00

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
SSD TRIM 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
file agreement SMB/AFP/NFS/FTP/WebDAV SMB/AFP/NFS/FTP/WebDAV
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 NAS
Amazon Price: Synology DS423+ NAS

$479 (Amazon 21/07/23)

Synology DS923+ NAS

$599 (Amazon 21/07/23)

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