Choosing the Best Hard Drives for your NAS
Note – this is the 2024 update of the rolling ‘best HDD for your NAS’ article (Cheers Clayton!)
When choosing a NAS server for your home or business, selecting the right hard drive is essential. Just like every tool in a toolbox has its role, NAS-specific drives are engineered to meet the particular needs of network storage environments. Using the wrong type of drive in a NAS can lead to decreased performance and potential issues with reliability. In recent years, manufacturers have developed specialized NAS hard drives (including SSDs) that are designed for 24/7 use, high durability, and optimized read/write cycles to suit NAS workloads. As we enter 2025, the storage landscape has evolved significantly, with hard drives now reaching capacities of 24TB and 26TB, and innovations in platter technology leading to 11-platter designs. This breakthrough could soon push capacities beyond 30TB, addressing the growing need for massive data storage in both personal and professional settings. With such a wide range of drive sizes and types available, from 2TB to 26TB and beyond, it can be difficult to navigate the choices. To help, I’ve compiled a guide that highlights eight different NAS/Server setups and the most compatible hard drive options for each, taking into account the latest developments in technology and market trends for 2024/2025
Note – Use our Best Price Per TB Calculator tool HERE in order to get the best value storage for your needs. It includes filters for NAS size, redundancy, budget and capacity needs too!
 Recommended NAS Hard Drives
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Important – What You Need to Consider in a NAS HDD?
When selecting a NAS hard drive, understanding key terms can help you make the right choice. Here’s a quick guide to essential terms for 2024:
RAID – Redundant Array of Independent Disks enhances storage, speed, and data safety by using multiple drives. RAID 0 offers no protection but maximizes space. RAID 1, 5, and 6 provide varying levels of redundancy for safer storage.
SATA – Still the main connection type for NAS mechanical drives in 2024, SATA offers 6Gbps speeds, but mechanical drives generally top out at 280MB/s. Newer connections like NVMe and SAS are more prominent in enterprise SSDs.
Saturation – Refers to data flow through a connection. Although SATA allows up to 600MB/s, most mechanical NAS drives perform in the 180-280MB/s range.
Platters – Disks inside the drive that store data. Drives in 2024 now feature up to 11 platters, supporting capacities of up to 30TB.
Rotation Speed – Faster spinning platters improve read/write speeds, critical for performance.
Cache – A temporary memory buffer on the drive. Larger NAS drives often include bigger caches for smoother data handling, especially in SMR drives.
Terabytes Written (TBW) – Also known as “Workload Rating,” TBW measures how much data a NAS hard drive can handle in a year while maintaining performance. This metric accounts for regular use, such as filling and emptying the drive repeatedly, which is common in data centers. Standard NAS drives usually support around 180TBW, Pro models around 300TBW, and Enterprise-class drives 550TBW or more.
Magnetic Recording – This refers to the technology used to store data on the drive’s platters. In 2024, the main types are SMR (Shingled Magnetic Recording), PMR/CMR (Perpendicular/Conventional Magnetic Recording), EAMR (Energy Assisted Magnetic Recording), and HAMR (Heat Assisted Magnetic Recording). PMR/CMR remains the most widely used for NAS hard drives due to its balance of reliability and performance.
Warranty Length – This is the manufacturer’s commitment to repair or replace a hard drive if it fails due to manufacturing defects. NAS drive warranties typically last between 3 and 5 years.
These terms are key to understanding how to select the best NAS hard drive in 2024. Next, we’ll explore different NAS environments and recommend the best drives for each.
Best Hard Drives for an Affordable RAID 6 Desktop 6/8-Bay NAS – Seagate Ironwolf (non-Pro)
1-12TB, 5900-7200RPM, 64-256MB Cache, 180TBW, 3yr Warranty, Rescue Data Recovery Services Included $50-229
For those who are looking at a NAS server for business, or are home users who have made the enterprising move into the Prosumer bracket, then a 6-Bay or 8-Bay desktop NAS solution will become incredibly attractive. At this storage tier, we find a number of very cool and incredibly useful features become more widely available. For a start, we find the utility of RAID 6 (the 2 disk safety net configuration) much more palatable, as it makes less of a dent on our total available storage. Additionally, at this storage size, we start to see much more powerful processors, such as the Intel Core (i3, i5, etc) series arrive, AMD Ryzen and even Xeons. This combined with huge expandability of both memory internally and storage externally and generally with 10Gbe included as standard or available as an upgrade. So, at this scale of NAS storage, the hard drive choice becomes more important, as you do not want to create an internal bottleneck. For this tier of storage, I recommend the Seagate Ironwolf range of NAS drives. They arrive with a large number of 7200RM drives (with 5400RPM in the smaller capacities), a 180 terabytes per year guaranteed workload and the Seagate Rescue service. For those that are not aware, the Seagate Rescue+ package is a data recovery service that is included with your Ironwolf and Ironwolf Pro drives that, alongside your 3 year warranty, includes an additional 3 years of data recovery services.
What that means is that if your drive fails through no fault of your own within reason (so, no, not smashing it with a hammer), you can send the drive off to the Seagate recovery labs and they will try to get that data back. From accidental deletion, all the way through to mechanical and forensic level recovery, this is an impressive inclusion! You should still factor other safety nets in your architecture (backups, UPS, RAID, etc) but given the cost of data recovery services (costing anything from hundreds to thousands of pounds), this is a very, VERY useful inclusion when you need it. Additionally, Seagate Ironwolf hard drives sill manage to be the most affordable NAS drives on the market compared with their competitors, even when including the Rescue recovery included. They are also the only 3rd party NAS hard drive brand that has a tool to monitor drive health available on practically ALL the NAS software GUIs in the market, in Seagate Ironwolf Health Management.
+ Excellent Price Point
+ Rescue Data Recovery Services
+ Seagate Ironwolf Health Management
+ ONLY CMR/PMR Drives in their NAS Range
– Max Drive Capacity is 12TB (Pro Series go up to 22TB)
– Noisier General Operation than WD Red Drives
 Seagate Ironwolf (non-Pro) 8TB NAS HDD (BF) Amazon  These Offers are Checked Daily
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Best Hard Drives for a Small NAS Drive – WD Red & WD Red Plus
1-14TB, 5400/7200RPM (higher Caps = 7200RPM), 64-256MB Cache, 180TBW, 3yr Warranty, WD Red 1-6TB (SMR), WD Red Plus 1-14TB (CMR) $69-379
If you are looking to populate a compact, modestly powered, desktop NAS system (so a 1-Bay or 2-Bay NAS drive), then you have quite a large range of Hard Drives on offer. It is worth highlighting though that larger and more enterprise drives (i.e faster and longer warranty) will be noticeably noisier. Additionally, you will need to factor in that your maximum storage is going to be capped at either a single drive OR (in a 2-Bay NAS with RAID 1) your storage halved to maintain redundancy. Finally, you will need to factor in that most 2-Bay NAS devices will either have a smaller external network connection (1/2.5Gbe) or are not really capable of saturating a full connection externally. So, baring these factors in mind, I would recommend the WD Red series of NAS hard drives for small NAS systems. They do not typically have more aggressive hardware internally, so the ambient noise when these drives are running will be remarkably low.
The performance, due to the lower rotations per minute (RPM) and cache might not seem spectacularly high, but in a 1-Bay or 2-Bay NAS, you likely could not push much performance externally anyway, so why spend much more on something that in most cases you will not be able to take advantage of. Be warned though, as you reach the much higher capacities above 8TB, the general background noise of the drives will increase incrementally.
+ Affordable Price Tag
+ Low Noise and Power Consumption in 24×7 Use
+ Good base level of Capacities Available
– Some Drive feature Shingled Magnetic Recording (SMR)
– Performance is fairly average in the smaller capacities
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WD Red Plus Internal NAS HDD 3.5\" - 12TB WesternDigital WD 8TB WD RED PLUS HDD B&H WD Red Plus 4TB NAS Hard Drive (BF) Amazon Western Digital 6TB WD Red Plus HDD (BF) Amazon These Offers are Checked Daily
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Affordable Hard Drives for a RAID 5 Desktop 4-Bay NAS – Toshiba N300
4-18TB, 7200RPM, 128-512MB Cache, 180 TBW, 3yr Warranty, 1-1.2M MTBF Rating $250-450
A 4-Bay NAS drive is generally when home and small/medium business users start to take their storage seriously. There are such a wide variety of hardware options that arrive at this storage tier, ranging from powerful Intel/AMD processors and DDR4 memory, to 10Gbe and PCIe upgrades. This arrives with the utility if RAID 5, that allows users to have a much larger potential capacity and performance, but still have a single drive of redundancy to fall back on in the event of drive failure. At this degree of NAS storage, you have a much greater potential to not only largely saturate a 10Gbe connection, but alternatively, you can also look into installing 2.5Gbe and 5Gbe upgrades and fill multiple plus gigabit connections directly or via a switch. In order to maximize this connection, but to also not max out your budget, I recommend the Toshiba N300 range of Hard Drives. Although they are a brand that is generally held commercially in the 3rd place when it comes to NAS media drives, their N300 range arrives at a similar/lower price point than Seagate Ironwolf and WD Red, but also arrives with 7200RPM on all capacities, with the lowest capacity arriving with 128MB caching and scaling up to 256MB quickly in the series. The increase in RPM will increase the background clicks, hums and whirs of the drive, but at 4-Bays, this is something that the NAS enclosure itself will begin to generate too. A high performing and often overlooked drive that, at the top capacity, can hit performance of up to 274MB/s.
+ Well Priced for a 7200RPM and 128/256/512 Cache Drive
+ Available in up to 18TB, even in non-Pro N300 Series
+ Error Recovery Control
– Will Generate More Noise at 7200RPM
– Not As Widely Available
– Not as well regarded as Seagate or WD
The 3.5-inch N300 NAS Hard Drive offers unprecedented reliability for NAS and other high-performance storage systems. It is optimized to meet the reliability, endurance, performance and scalability requirements of 24-hour x 7-day high-capacity storage for personal, home office and small business use. The N300 is available in capacities of up to 18 TB.
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Best Hard Drives for a Small Rackmount NAS – WD Red Pro
2-22TB, 7200RPM, 128-512MB Cache, 300TBW, 5yr Warranty $85-429
Now we move onto the Rackmount NAS compatible hard drives, we have to start looking squarely at two main factors – Performance and Durability. If you are a business or established Prosumer user, then chances are that your NAS system is going to be used for a much larger % per day than most average users. Whether it is for surveillance, virtual machines, business file-sharing or just a combination of all of them every day, you want drives that are going to give you a good level of performance internally AND externally. Likewise, as the hard drives in even a modest rackmount NAS will be on for extended periods, you need to know that the drive can maintain the promising performance indefinitely AND without braking. This is where we start to look at specifications such as TBW (Terabytes Written), Mean time between failure, workload cycles and the warranty in more detail. For those looking at 10Gbe equipped or at least ’10Gbe Ready’ modest rackmount systems, I would recommend the WD Red Pro series of compatible NAS hard drives. Generally, one of the first Pro series NAS hard drives to arrive on the market, the WD Red Pro series is designed for NAS systems up to 24Bays and is available up to 18TB currently.
What did we say about the WD Red Pro 22TB highest tier model? We reviewed it back on September ’22 and whichever way you look at it, the WD Red Pro 22TB Hard drive is a stone-cold WINNER of a drive – both in terms of what it brings to the end user AND what this new 10-platter/OptiNAND drive design means for the future of the WD drive line up. WD does not over promise with this drive (with performance exceeding the brands reported benchmarks in almost every one of my tests, even using mid-range equipment) and they even nailed the price point in line with previous drives in the portfolio (though there is simply no avoiding that you are going to need deep pockets to fully populate any system with these 22TB drives). That said, much like any other WD Red Pro drive, the more industrial architecture still leads to a slightly higher running temp, noisier operation and slight increased power use. This is to be expected, but with no non-Pro alternative available at this capacity, the feasibility of fully populating a smaller scale system with the WD Red Pro 22TB is going to be both expensive AND noisy. I definitely recommend this drive to larger-scale NAS and SAN environments that need sustained RAID performance, high capacity and storage reliability – just maybe buy some earplugs if you plan on working in the same room as them.
Certainly one of the most expensive NAS HDDs out there, but provides a very good level of storage, performance, durability and overall is a very dependable drive for SMB users (Small/Medium Business) that want a drive they can rely on.
+ Top Tier NAS Drive Performance
+ 300TB/Y Workload
+ Build for up to 24-Bay Servers
– Certainly Noiser than non-Pro equivalents
– More Expensive than the Seagate Pro Option
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Best Hard Drives for an SMB Rackmount NAS 12-Bay – Seagate Ironwolf Pro
4-24TB, 7200RPM, 256MB Cache, 300 TBW (Newer NT version rates at 550TBW), 5yr Warranty, Rescue Data Recovery Services Included $79-399
When it comes to the move into Rackmount storage for businesses (novices stop here) then not only do you have to only consider Pro/Enterprise-class drives only, but you can also start to look at drives that include certain business level advantages in terms of coverage and service. Much like the non-PRO series of hard drives mentioned earlier, the Seagate Ironwolf Pro series of HDDs include the Rescue+ data recovery services but also includes an impressive 5 years of the manufacturers warranty. However, it is in terms of performance, capacity and durability that the difference between these two ranges become apparent. For a start, the Ironwolf Pro HDD range arrives in capacities of up to 18TB (26-30TB promised for later in 2024/2025 thanks to Energy Assisted Magnetic Recording – with 50TB slated by end of the decade), with ALL drives in the PRO range arriving with 7200RPM and 256/512MB of cache. The result is that these drives will hit up to an impressive 260MB/s, which even in smaller RAID 5 groups will easily saturate a 10Gb connection with just 4-5 drives.I performed te sts on 64MB, 256MB, 1GB and 4GB test files, as well as mixed 70/30% R/W. The results were consistent and largely lived up to Seagate’s claims here.
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What did we think of the Seagate Ironwolf Pro larger capacities? We reviewed the new NT series (higher durability at 550TBW over 300TBW in the previous revisions) 20TB version and Straight out the gate, the Seagate Ironwolf Pro 20TB HDD comfortably delivers on it’s promises of performance. This alongside full tested and confirmed compatibility with Synology and QNAP NAS devices means that you have a drive here that can turn any 4-Bay NAS into a 60TB RAID5 Storage colossus – let alone once you start thinking about rackmounts and hyperscale. The pricing at the time of writing is a little muddled (the result of having two SKUs/Model IDs floating around in the market and eTailers having to play catch up) but that should hopefully iron out over time. I particularly appreciate that the workload discussion surrounding ‘Pro’ Class drives at 300TB/yr vs rapid HDD capacity growth is being addressed here with a 550TB/yr version to rival that of ‘Ent’ class drives – whatever the reason/motivation. The value of the Ironwolf Health Management tool is going to be something of debate and the inclusion of 3yrs data recovery services is a nice extra that (with any luck) few will need to use – but having them included in a 20TB HDD that still manages to maintain a similar level of Price per TB vs the bulk of NAS HDDs in the Pro tier increases the value notably. As HDDs continue to increase in scale and Seagate (among other brands) continues to outline their plans to hit 50TB by the end of the decade, the Seagate Ironwolf Pro ST2000NT001 is another good example of an HDD that finds a sweet spot between price, durability and value. Just be aware that this is a drive designed for large-scale use and that means high operational noise and higher than typical power use than non-Pro and smaller cap drives!
In recent years we have seen Seagate reshuffle their range of available capacities to align the capacities from 1-12TB to arrive in the standard Ironwolf range and Capacities of up to 18TB and 22TB to arrive on the PRO series (likely due to those larger capacity options requiring the more enterprise hardware as standard and making a non-PRO version impossible without purposely nerf’ing the lesser drives intentionally. There is crossover in 4-12TB models in between, however, the distinction in RPM, cache, build design and TBW rating is wide enough to justify this. The noise level of the Ironwolf HDD series in PRO is noticeable higher, but given these are designed for larger arrays, this noise increase will be less noticeable over the ambient noise of the whole system generally.
+ Excellent Price Point vs Ironwolf NON-Pro in the Portfolio
+ Rescue Data Recovery Services
+ New NT Version Available with 550 TB Annual Workload
+ Seagate Ironwolf Health Management
+ ONLY CMR/PMR Drives in their NAS Range
– Smallest Drive Capacity is 4TB
– Noticeable Boot Up Noise
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Seagate 24TB Ironwolf Pro $439 B&H Seagate 24TB Ironwolf PRO HDD (BF) Amazon Seagate Ironwolf (non-Pro) 8TB NAS HDD (BF) Amazon These Offers are Checked Daily
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Best Hard Drives for an Enterprise Rackmount NAS Server – Seagate EXOS
1-24TB, 72000RPM, 256-512MB Cache, SAS & SATA Options, 550 TBW, 5yr Warranty, $99-519
Now we finally move into the class of hard drive that is more classically defined at ‘Data Center’ and/or Hyperscale environments. Often choosing between a PRO class and Enterprise-class drive can be ticky at a glance. However, Pro class drives generally arrive with a much longer terabytes written rating per year (ie the amount of data that can be written to the drive throughout its lifespan per annum), arrive in numerous interfaces (so both SAS and SATA generally) and typically arrive with numerous format and encryption standard versions available. These are available because some industries and organizations insist on drive media that features in-built protection and secure erase on the drive itself. Of all the enterprise and data centre-class media in the market, I generally recommend the Seagate EXOS series for any hyper scale system environment. They are very, VERY closely followed by the Western Digital UltraStar class of drives, but the Seagate EXOS series is a little clearer to understand, has larger capacity options available earlier, with several variations of their Mach.2 available (dual actuator/arm SATA drives at 400MB/s+ and even triactuator drives in development) and generally arrive a pinch lower in price too in like-for-like comparisons against the Ultrastar.
Sound Test Video Live Soon (Below)
Changes by Synology in their 2021/2022 series of rackmounts systems onwards to ONLY support their own range of HDD media has led to their own drives featuring on their own respective hardware, so make sure to check that your intended NAS rackmount system supports Seagate EXOS drives before you head to checkout, as this is a trend that has continued right up to the most recent releases this year, as well as reduced HDD compatibility listings for home/SMB solutions such as the DS224+ and DS423+.
+ Huge Range of Architecture Options (FIPS, Military Encryp, 4KN, SED, SAS and more)
+ Constantly Evolving (Mach 2 versions, x14, x16 & x18 etc)
+ Comparatively Lower in Price vs Ultrastar
+ New 24TB Model (X24) Version Available
– Range Can Be Confusing
– Availability Can Be Difficult + Some Models Are ‘Bulk Purchase’ Only
– Noisy!
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Seagate EXOS Enterprise Server 24TB Hard Drive (BF) Amazon These Offers are Checked Daily
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Best Hard Drives for a Business Synology NAS – Synology HAT5300
8-20TB, 7200RPM, 256/512MB Cache, 550TBW, 5yr Warranty, Synology System ONLY, Firmware Control on Synology DSM $199-599
Arriving on the scene in Jan 2021 originally, the Synology branded range of Hard drives for enterprise server use took ALOT of people by surprise! Synology has always had a long-standing reputation with the production of network-attached storage, so in efforts to produce a complete first-party storage system that includes the software, the network hardware AND the media inside is very what their brand has been all about. In their defence too, these are not just cash-grab drives and are in-fact enterprise-class drives that are being priced at PRO series drives (so an Ultrastar/EXOS drive that is at the price tag of a WD Red or Ironwolf Pro). The drives themselves arrive (at launch anyway) with just three capacities available (8TB, 12TB and 16TB) and the architecture of them is quite eye-catching. A 550TBW per year rating, a 2.5Million MTTF, 256/512MB cache and performance ranging across the capacities from 230MB/s to a reported 270MB/s+. The drives are originally Toshiba M06/07/08 Enterprise drives that have a tweaked Synology NAS firmware onboard, so they are geared specifically towards utilization inside the Synology ecosystem. You can even check and upgrade the individual drive firmware directly from with the Synology DSM graphical user interface too, which is quite a unique and convenient feature for those larger arrays with differing drive versions being installed throughout your server’s lifespan.
You cannot really question the quality of the hardware architecture featured on the Synology HAT5300 range of hard drives. We clearly find here a range of drives that have been designed by Toshiba (an HDD vendor with decades of experience and Synology are not being coy about highlighting the partnership on this media), combined with one of the biggest providers of modern NAS in Synology, with media that is tweaked for use within their NAS systems and despite arriving at a Pro series price tag, arrive with hardware far more comparable to that of Seagate EXOS and Western digital Ultrastar hard drives. With a terrifically impressive annual workload, an approach to drive firmware and upgrades relatively unseen from any other drive for NAS’ and remarkable transparency from Synology in the marketing of these drives on day one certainly needs to be acknowledged. Moreover, Synology is not the first brand to champion the use of locked hard drive media in their service systems and they certainly won’t be the last. Overall, I am happy with the new Synology hard drives and despite possible reservations about where the logic of locked drives and exclusivity on this product and range will be extended to in the future (standard class versions?), I still happily recommend the Synology HAT5300 media series alongside other champions of NAS hard drive in 2024/2025
The move towards hard drive locking by Synology is something that has impressed some and disappointed others – but if you were going to be installing drive media inside a NAS system for business anyway, then ultimately these are still a very solid and well-performing product for you.
+ Enterprise Drives at a PRO class Price
+ 550TBW on ALL Capacities
+ Drive Firmware can be Updated from within the Synology DSM GUI
– Using them in not Synology NAS Hardware is not Supported
– More Expensive than other Enterprise Class HDDs from Seagate & WD
– Noisy Operation
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Synology DS1821+ 64TB 8 Bay Desktop NAS Solution, Installed with 8 x 8TB HAT5300 Amazon  These Offers are Checked Daily
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Best Hard Drives for a Business QNAP NAS – WD Ultrastar
1-26TB, 7200RPM, 256-512MB Cache, 550TBW, 5yr Warranty, FIPS and SED Options, SATA, SAS and U.2 NVMe SSD Options $70-550
Finally, we move onto possibly the most well known of the enterprise-class of Hard Drives on the market. When it comes to data center and hyper-scale storage environments, Western Digital’s UltraStar range has the same reputation and long-running recognition as IBM has in the computer industry. They have been the go-to drive media of choice in the huge storage environment’s for years, thanks in large part to the fact they have been designed, developed and improved at the same time as the systems they were going into. In recent years, competitors have taken chunks of the market from them (as they are a larger and slightly slower behemoth to suddenly change tactic) and feature larger product runs that have to last extensive lengths of time to facilitate data center replacement media as needed. Nevertheless, in recent years the Ultrastar brand under WD has diversified hugely and alongside the popular WD Gold label has branched into a vast array of interface types, form factors, media variants and scales. Typically the first drive series to crack into a new capacity tier (the first to crack 20TB too – as well as rolling out the 24TB and 26TB HDD media to data centers before everyone else).
Sound Test Video Live Soon (Below)
The Ultrastar series of hard drives will often be compared against the WD Red Pro range of NAS hard drives when considering populating a server. It is worth remembering that the Ultrastar series is designed for both a higher performance AND a much more enduring performance – i.e it can maintain that level, as well as switch between processes, for much longer. Indeed in testing, the Ultrastar even features a much higher Read and Write performance than pretty much any other drive that peaks as high as 280MB/s in our ATTO DiskBenchmark testing below with just a single HDD. Even the IOs (IOPS_ went as high as 19,000, which although low when compared with modern high-end SSDs, for a single HDD is really impressive).
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The drives themselves are fantastically dull in appearance of course, as one might expect from the enterprise tier and also feature quite an aggressive spin up noise. However, in much larger scale environments, you will almost certainly not hear the drive media over the ambient system fan noise. Overall still an oldie but a goodie!
+ Consistently High Performance
+ Well-established HDD Drive and Brand
+ Numerous Interfaces, in-Drive Encryption Systems and Choices
– DEFINITELY one of the most confusing product ranges
– Noticeably Noisy at boot
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Best Hard Drives for a Home or Small Business x23/x24 Gen Synology NAS – Synology HAT3300 Plus Series
4/6/8/12TB, 5900-7200RPM, 64-256MB Cache, 180TBW, 3yr Warranty, Synology NAS Designed, Firmware Update in DSM $109-189
There is most certainly a clear design choice here to mirror that of the existing regular-class server drives on the market right now. The Synology HAT 3300+ series has been reported several times, not just here on the blog, to be built using Seagate Iron Wolf drive media with specific Synology firmware on board. Arriving with 180-terabyte annual workloads, 5400rpm, 256-megabyte cache, arriving in a CMR architecture and air-sealed – the specifications we see here are all quite standard. The 12TB benefits from an increased RPM and helium sealing, as per most 12 TB drives in the market, but apart from that the Synology Plus hard drive series are going to run quieter than most pro or enterprise-class drives, as well as have a slightly lower power consumption, but are also going to have a slight performance decrease than that of the HAT5300 and HAT3300. But that is only going to be of significance in larger RAID configurations realistically.
The differences between the Synology HAT3300, HAT5300/HAS5300 are pretty much exactly as you would find if you compared WD Red and Seagate IronWolf versus that of Seagate Exos and WD Ultrastar. Indeed, I am a little surprised that Synology has not introduced a middle ground in the form of a pro series drive, but perhaps this is something that will roll out later down the line. Nevertheless, this results in quite a void of performance, durability, and scale between these two ranges when compared to long-term established server hard drive ranges from these other companies filling the gaps of capacity and pro middle ground choices. It should be immediately highlighted that regardless of which Synology hard drive you opt for, you still benefit from firmware updates being actionable from within the Synology DSM software, easier and more streamlined warranty support, and firmware optimization that is specifically tailored towards Synology hardware deployment. We have discussed this at length previously when discussing the Synology enterprise hard drives and SSDs, and although you pay a premium for Synology’s own branded drives when compared to third-party alternatives that people have been using for decades, there are nonetheless merits in using drives specifically geared towards your NAS system rather than requiring a slightly broader design that suits more diverse servers. Here is how the Synology enterprise SATA, enterprise SAS, and mid-range plus hard drives differ in their specifications:
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| Classification | Enterprise SATA | Enterprise SAS | Domestic SATA |
| Series Name | Enterprise/XS | Enterprise/XS | PLUS |
| Model | HAT5300 | HAS5300 | HAT3300 |
| Interface | SATA 6Gb | SAS 12Gb | SATA 6Gb |
| Recording | CMR/PMR | CMR/PMR | CMR/PMR |
| Capacity (5/23) | 4/8/12/16/18TB | 8/12/16/18TB | 4/6/8/12TB |
| RPM | 7200RPM | 7200RPM | 5400RPM (7200 on 12TB) |
| Cache | 256/512MB | 256/512MB | 256MB |
| Sector Size | 512e | 512e | 512e |
| Max Transfer Speed (Capacity Dependant) | 254/260/253/274/281MB/s | 241/253/274MB/s | 202/240MB/s |
| Drive Sealing | AIR/AIR/Helium/Helium/Helium | AIR/Helium/Helium/Helium | AIR/AIR/AIR/Helium |
| Power Use (Idle) | 4.07/5.61/4.25/4.00/4.16W | 6.62/4.36/4.46W | 3.96/3.4/3.4/5.07W |
| Power Use (Active) | 7.76/9.29/7.83/7.63/8.35W | 9.87/7.80/8.12W | 4.85/5.3/5.3/8.33W |
| Load/Unload Cycles | 600K | 600K | 600K |
| Workload Rating | 550TB (Annual) | 550TB (Annual) | 180TB (Annual) |
| MTBF (Hrs) | 2.0/2.5Million | 2.5Million | 1Million |
| Warranty | 5 Years | 5 Years | 3 Years |
+ Much more affordable than the HAT5300 Series
+ Better range off smaller capacities than HAT5300
+ Drive Firmware can be Updated from within the Synology DSM GUI
– Not Supported on Bigger Synology NAS Systems (eg XS or SA Series)
– Lacks Data Recovery Service of Seagate Ironwolf HDDs
– 12TB Maximum Capacity (at time of writing)
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Synology 1-Bay DiskStation DS124 Bundle with 1 x HAT3300-4T Amazon Synology 1-Bay DiskStation DS124 with 1 x HAT3300-6T Amazon Synology DS224+ 8TB 2 Bay NAS Solution installed with 2 x 4TB HAT3300 Drives Amazon Synology DS224+ 12TB 2 Bay NAS Solution installed with 2 x 6TB HAT3300 Drives Amazon Synology DS224+ 16TB 2 Bay NAS Solution installed with 2 x 8TB HAT3300 Drives Amazon These Offers are Checked Daily
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IMPORTANT! Compatibility of Hard Drives with Synology NAS Systems
An increasingly important factor when selecting NAS hard drives is their compatibility with specific NAS systems. Over the last 18-24 months, there has been a noticeable trend, especially with Synology, towards reducing the range of compatible, supported, or verified HDDs. Synology has shown a preference for their own HAT3300 and HAT5300 drives, somewhat limiting the choice for users of their systems. This shift marks a departure from the traditionally open approach where most NAS brands, including Synology, supported a wide range of third-party drives.
This change in policy is significant for users needing specific storage solutions or those accustomed to a broader choice of drives. It contrasts with other NAS brands, which continue to support a variety of third-party drives, including the latest high-capacity models. When choosing a NAS hard drive in 2024/2025, it’s crucial to consider not just the drive’s specifications but also its compatibility with your NAS system. This ensures that you can take full advantage of the NAS’s features and avoid potential compatibility issues.
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