NAS DrivesUpdated
Prices last checked 24 July 2026

Best NAS drives, RAM and cache for your exact model

Pick your NAS to see the right NAS-rated CMR drives, RAM and M.2 cache, sized to its bays, with Amazon.co.uk prices per terabyte.

DH2300DXP2800DS923+DS925+TS-464DS224+

As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.co.uk as of the last update and may change.

What this site does

It maps every UGREEN NASync, Synology DiskStation and QNAP to the exact drives, RAM and cache that fit, ranked by price per terabyte, with RAID and SHR calculators and home-cloud guides to replace Google Photos or iCloud with hardware you own.

Best NAS drives right now

Price per
Prices last checked 24 July 20268 products
ProductCapacityPrice£ / TBTypePrime
Seagate Exos X16, 6TB, Enterprise Internal Hard Drive, SAS, 3.5", for Business and Data Centre (ST6000NM0095)Used16.6 TB£150.00£9.04Enterprise HDD · SASCMREnterprise-
WBOBKO FOR 18TB 16TB 14TB 10TB 8TB 6TB 4TB IronWolf 3.5" SATA3 NAS Hard Drive 6GB/s 7200RPM(2TB ST2000VN004)18 TB£205.27£11.40NAS HDD · SATACMR-
Seagate Exos X16, 6TB, Enterprise Internal Hard Drive, SAS, 3.5", for Business and Data Centre (ST6000NM0095)16.6 TB£231.68£13.96Enterprise HDD · SASCMREnterprise-
Western Digital Ultrastar DC HC520 (HUH721212AL5204) SAS Enterprise HDD 7200 RPM, 12 TBUsed12 TB£225.00£18.75Enterprise HDD · SASCMREnterprise-
Seagate EXOS X24 24TB Interne Festplatte 3.5 Zoll SATA 3 Gbit/s 512 MB, ST24000NM000C (Renewed)Renewed24 TB£551.57£22.98Enterprise HDD · SATACMREnterprisePrime
WD Red Plus 12TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6Gb/s, CMR, 512MB CacheUsed12 TB£279.62£23.30NAS HDD · SATACMRPrime
WD Red Pro 12TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB CacheUsed12 TB£279.95£23.33NAS HDD · SATACMR-
WD Ultrastar DC HC530 14TB 7200RPM SATA 6Gb/s 3.5" Enterprise HDD - WUH721414ALE6L4 (Renewed)Renewed14 TB£330.40£23.60Enterprise HDD · SATACMREnterprisePrime

Prices are indicative — last checked 24 July 2026, from Amazon.co.uk. They are not live; check the current price on Amazon before buying. Best £/TB is the lowest at last check.

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NAS device drivesThe exact NAS-rated drives, RAM and M.2 cache for your UGREEN, Synology or QNAP model.Explore →Best NASThe best NAS by brand, budget, bay count and use case, ranked on real capability.Explore →CalculatorsRAID and Synology SHR capacity calculators, pre-filled per model, with drive cost.Explore →Home cloudReplace Google Photos or iCloud with a private cloud you own outright.Explore →NAS buying guidesBest NAS by use case and bay count, with the total cost of device plus drives.Explore →NAS hard drivesEvery NAS-rated CMR hard drive ranked by UK price per terabyte.Explore →

Independent UK comparison site for NAS appliances, NAS-rated drives, RAM and cache. Not affiliated with or endorsed by Synology, UGREEN, QNAP, Seagate, Western Digital or Toshiba. All trademarks belong to their owners.

Last updated: 2026-07-24 00:01:13 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.co.uk and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.