Best SSD for NAS 2022

Mechanical drives are the best option for lots of data being stored on a NAS, but should you want to go with more modern hardware, there are NAS SSDs available. Not only can you store data on these solid-state drives, but you can even use PCIe NVMe SSDs as a cache to improve NAS performance. SSDs will match perfectly with the best NAS for home. Here are our recommendations for best SSD for NAS devices.

Best SSD for NAS

Western Digital Red SA500

Source: Western Digital (Image credit: Source: Western Digital)

Western Digital Red SA500

Best overall

Like Seagate, Western Digital has a family of SSDs optimized for the best NAS for home. The Red SA500 is similar in many ways to the Seagate IronWolf 110 series, and that’s great news for those looking for a good deal as this SSD is generally more affordable.

The WD Red SA500 is optimized for caching in NAS enclosures, though you can also use one for actual storage, depending on how fast you need data transfers to be. The additional endurance improvements make these drives able to handle even more demanding read and write loads.

The reduced latency is ideal for environments where you’re working with video and other media. While these drives are technically better than mechanical HDDs, you will be paying a small premium for the luxury, and the capacities are limited to just 4TB.

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SSD Max bays Speed (read/write) Workload (TBW) Warranty Price $ per GB
Western Digital Red SA500 500GB ~ 530MB/s
560MB/s
350 5 years $80 (opens in new tab) $0.15
Western Digital Red SA500 1TB ~ 530MB/s
560MB/s
600 5 years $120 (opens in new tab) $0.13
Western Digital Red SA500 2TB ~ 530MB/s
560MB/s
1300 5 years $230 (opens in new tab) $0.14
Western Digital Red SA500 4TB ~ 530MB/s
560MB/s
2500 5 years $550 (opens in new tab) $0.14

Seagate IronWolf 125

Source: Seagate (Image credit: Source: Seagate)

Seagate IronWolf 125

Best SSD for your NAS

It’s true that desktop-class mechanical hard drives simply aren’t designed for NAS use, but what about solid-state drives (SSD)? Similar rules apply, which is why Seagate launched its IronWolf 125 SSD series of NAS drives. What makes this family of SSDs better than other drives is DuraWrite technology.

This special tech allows for increased performance and reliability; both are important inside a NAS enclosure. Like Seagate’s existing mechanical drive lineup, these NAS SSDs are designed for 24/7 continuous operation. They can be used for storage or cache inside supported drive bays.

The major drawback to using SSD tech instead of traditional HDDs is the capacity limitation. The maximum capacity you can buy the IronWolf 110 in is 4TB. Compare that to 16TB for mechanical drives, and you can see why most NAS owners still prefer HDDs. Finally, there’s the price, which quickly balloons with higher capacity SSDs.

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SSD Max bays Speed (read/write) Workload (TBW) Warranty Price $ per GB
Seagate IronWolf 125 250GB ~ 540MB/s
560MB/s
300 5 years $60 (opens in new tab) $0.24
Seagate IronWolf 125 500GB ~ 540MB/s
560MB/s
700 5 years $90 (opens in new tab) $0.18
Seagate IronWolf 125 1TB ~ 540MB/s
560MB/s
1400 5 years $160 (opens in new tab) $0.16
Seagate IronWolf 125 2TB ~ 540MB/s
560MB/s
2800 5 years $300 (opens in new tab) $0.15
Seagate IronWolf 125 4TB ~ 540MB/s
560MB/s
5600 5 years $621 (opens in new tab) $0.14

Synology SAT5200

Source: Rich Edmonds / Windows Central (Image credit: Future)

Synology SAT5200

Best for Synology

Synology essentially knocked it out of the park with its initial SSD offering in the Synology SAT5200. The company only had to match what was already available on the market, but it somehow succeeded some of the more established SSD solutions. The SAT5200 isn’t for anyone who requires some serious space. You’d be far better off with HDDs, but if you need the faster read and write rates, this is a good way to go.

Like other 2.5-inch SATA SSDs on the market, you’ll be able to hit around 500MB/s and slightly above for read and write access, but it’s the additional features that really set the SAT5200 family apart. The available capacitors for power-loss protection, high TBW rating, and a high-quality controller makes for quite the NAS-friendly storage package.

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SSD Max bays Speed Workload Warranty Price $ per GB
Synology SAT5200 480GB ~ 530MB/s 1.3 DWPD 5 years $177 (opens in new tab) $0.37
Synology SAT5200 960GB ~ 530MB/s 1.3 DWPD 5 years $350 (opens in new tab) $0.18
Synology SAT5200 1.9TB ~ 530MB/s 1.3 DWPD 5 years $396 (opens in new tab) $0.20
Synology SAT5200 3.8TB ~ 530MB/s 1.3 DWPD 5 years $649 (opens in new tab) $0.32

Western Digital Blue

Source: Rich Edmonds / Windows Central (Image credit: Future)

Western Digital Blue

Best budget

Unlike our previous two SSD recommendations, the Western Digital Blue series is primarily designed for desktop and laptop applications. That doesn’t mean you can’t use it inside your favorite NAS, but it’s not recommended for continuous operation. Still, it’s possible, and we’ve run a few of these drives inside a NAS enclosure for months without issue.

The best part about saving a little more than NAS SSDs is you get most of the same benefits compared to HDDs, including no moving parts (less noise!) and lower power consumption. It’s not perfect, however, and you’ll quickly rack up costs with higher capacities. Unfortunately, you won’t be able to match the amazing 16TB HDDs with the WD Blue series of SSDs.

If you want to use an SSD for cache, this drive series is a good option for 2.5-inch bays. This isn’t the best SSD for PC but does offer great value.

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SSD Max bays Speed (read/write) Workload (TBW) Warranty Price $ per GB
Western Digital Blue 250GB ~ 525MB/s
550MB/s
100 5 years $55 (opens in new tab) $0.16
Western Digital Blue 500GB ~ 530MB/s
560MB/s
200 5 years $70 (opens in new tab) $0.11
Western Digital Blue 1TB ~ 530MB/s
560MB/s
400 5 years $114 (opens in new tab) $0.09
Western Digital Blue 2TB ~ 530MB/s
560MB/s
500 5 years $252 (opens in new tab) $0.09
Western Digital Blue 4TB ~ 530MB/s
560MB/s
600 5 years $403 (opens in new tab) $0.09

Seagate IronWolf 525

Source: Seagate (Image credit: Source: Seagate)

Seagate IronWolf 525

Best for cache

Enhancing your NAS with a speedy SSD cache is a sure way to improve performance. Mechanical drives aren’t the fastest means of storing data anymore, which is where SSDs can play a part. If your NAS has a spare PCIe slot for an expansion card or has M.2 slots already available, you can use an SSD like the Seagate IronWolf 525.

This SSD is also designed for NAS use with improved endurance over desktop-class NVMe drives and comes with some outstanding performance figures. It’s also incredibly durable, which is perfect for NAS use. You’ll be able to use this SSD for an average of 1.8 million hours before experiencing an issue.

Whether you want to use one as storage or cache, you’ll be impressed with the results. The IronWolf 525 series is also backed by the same five-year warranty you’ll find on other Seagate NAS storage solutions.

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SSD Max bays Speed (read/write) Workload (TBW) Warranty Price $ per GB
Seagate IronWolf 525 500GB ~ 2,500MB/s
5,000MB/s
700 5 years $126 (opens in new tab) $0.38
Seagate IronWolf 525 1TB ~ 4,400MB/s
5,000MB/s
1,400 5 years $221 (opens in new tab) $0.22
Seagate IronWolf 525 2TB ~ 4,400MB/s
5,000MB/s
2,800 5 years $330 (opens in new tab) $0.19

Seagate IronWolf Pro 125

Source: Seagate (Image credit: Source: Seagate)

Seagate IronWolf Pro 125

Best endurance

Seagate launched its IronWolf Pro 125 series of drives for those who have a high workload configured for their NAS enclosure. With a drive writes per day (DWPD) of 1, this means you can write the drive’s capacity every day for five years. Purchasing the 3.84TB drive would allow for almost 4TB of data to be written per day. Those are crazy levels of performance.

Similar features on the IronWolf 125 can be found here too, including power loss data protection, health management, and data recovery. To enjoy this impressive endurance, you will take a small hit to performance, but if you’re working with huge files, these drives will be more than a match for your requirements.

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SSD Max bays Speed (read/write) Workload (TBW) Warranty Price $ per GB
Seagate IronWolf Pro 125 240GB ~ 360MB/s
545MB/s
435 5 years $98 (opens in new tab) $0.41
Seagate IronWolf Pro 125 480GB ~ 500MB/s
545MB/s
875 5 years $110 (opens in new tab) $0.23
Seagate IronWolf Pro 125 960GB ~ 520MB/s
545MB/s
1,750 5 years $280 (opens in new tab) $0.29
Seagate IronWolf Pro 125 1.92TB ~ 520MB/s
545MB/s
3,500 5 years $350 (opens in new tab) $0.18
Seagate IronWolf Pro 125 3.84TB ~ 520MB/s
545MB/s
7,000 5 years $495 (opens in new tab) $0.13

Best SSD for your NAS

Are you looking for the best SSD to use inside your NAS enclosure? Look no further than the Western Digital Red SA500. These are similar drives to Seagate’s offering, but the best pick goes to the one that offers the best value. Regardless of which you go for, you’ll be able to upgrade your bandwidth and improve overall NAS performance.

If you have an M.2 slot to spare, you can choose a high-performance NVMe SSD like the Seagate IronWolf 525. This SSD offers amazing performance numbers — we’re talking up to 5,000MB/s — and is well positioned for use as a cache drive or storage. Adding SSD cache to your NAS is a great way to boost overall system performance.

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