Used Hard Drive Deals UK 2026: Prime Big Deal Days Offers

· Prime Big Deal Days has ended; the prices below are still live.

As an Amazon Associate we earn from qualifying purchases. Prices and availability shown are from Amazon.co.uk at the last update and may change.

Amazon is flagging 10 offers on this selection right now. No new listing on this selection is in stock right now.

We track 13 in-stock listings for this selection on Amazon.co.uk. Offers below are shown as Amazon states them, then compared with the cheapest listings by £/TB.

Used drives vary by seller in condition, warranty and power-on hours. Check the listing's condition note, keep the return window in mind, and run a full surface test before trusting one with data. We never mix used drives into the new tables.

Deals Amazon is flagging

In-stock listings where Amazon shows a deal badge, a Prime-exclusive offer, a list price above the current price or low stock. Sorted by Amazon’s stated saving in pounds. We add no verdict.

Used (10)
ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
WD 5TB My Passport Ultra for Mac, portable external hard drive, USB-C, Mac Compatible, portable external storage, software with defense against ransomware, backup and password protection, Silver5 TB£119.70--£23.94UsedAmazonPrimeBuy on Amazon
Seagate Exos X18 12To SATA 512e/4Kn12 TB£319.98--£26.67UsedThird partyBuy on Amazon
WD 5TB My Passport for Mac portable external storage, USB 3.0, Mac Compatible external hard drive, software for device management, backup and password protection, Time Machine Ready, Midnight Blue5 TB£138.57--£27.71UsedAmazonPrimeBuy on Amazon
Seagate IronWolf Pro 6TB Interne hard disc 8.9cm (3.5 Zoll) SATA III ST6000NE000 Bulk6 TB£189.00--£31.50UsedThird partyBuy on Amazon
Western Digital 6000 GB Network Attached Storage6 TB£200.00--£33.33UsedThird partyBuy on Amazon
Seagate ST4000NM0115 - ENTERPRISE CAPACITY 3.5 HDD 4TB - 3.5IN 7200RPM 6GB/S SATA 512E4 TB£149.99--£37.50UsedThird partyBuy on Amazon
Synology DS425+ 48TB (Synology HAT53) 4 bay desktop NAS48 TB£2,137.66--£44.53UsedAmazonPrimeBuy on Amazon
Seagate IronWolf, 10 TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST10000VN0004)10 TB£450.00--£45.00UsedThird partyBuy on Amazon
WD Purple 8TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 360TB/yr, 256MB Cache 7200rpm - WD82PURZ8 TB£370.00--£46.25UsedThird partyBuy on Amazon
Seagate ST2000DM008 Internal Hard Drive – 2 TB – silver, Mechanical Hard Disk2 TB£99.00--£49.50UsedThird partyBuy on Amazon

Cheapest alternatives by £/TB

For each offer above, the 3 cheapest in-stock listings of the same type at the same capacity (hard drives within 2TB), with or without an Amazon offer.

Used (10)
ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
WD 5TB My Passport Ultra for Mac, portable external hard drive, USB-C, Mac Compatible, portable external storage, software with defense against ransomware, backup and password protection, Silver5 TB£119.70--£23.94UsedAmazonPrimeBuy on Amazon
Seagate Exos X18 12To SATA 512e/4Kn12 TB£319.98--£26.67UsedThird partyBuy on Amazon
WD 5TB My Passport for Mac portable external storage, USB 3.0, Mac Compatible external hard drive, software for device management, backup and password protection, Time Machine Ready, Midnight Blue5 TB£138.57--£27.71UsedAmazonPrimeBuy on Amazon
Seagate IronWolf Pro 6TB Interne hard disc 8.9cm (3.5 Zoll) SATA III ST6000NE000 Bulk6 TB£189.00--£31.50UsedThird partyBuy on Amazon
Western Digital 6000 GB Network Attached Storage6 TB£200.00--£33.33UsedThird partyBuy on Amazon
Seagate ST4000NM0115 - ENTERPRISE CAPACITY 3.5 HDD 4TB - 3.5IN 7200RPM 6GB/S SATA 512E4 TB£149.99--£37.50UsedThird partyBuy on Amazon
Seagate IronWolf, 10 TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST10000VN0004)10 TB£450.00--£45.00UsedThird partyBuy on Amazon
Seagate ST4000VN000 4TB NAS HDD SATA III 3.5 inch Internal Hard Disk Drive for 1- to 8-Bay NAS Systems4 TB£180.00--£45.00UsedThird partyBuy on Amazon
WD Purple 8TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 360TB/yr, 256MB Cache 7200rpm - WD82PURZ8 TB£370.00--£46.25UsedThird partyBuy on Amazon
Seagate ST3000VN000 - (3TB) 3.5 inch NAS Hard Drive (5900rpm) 6Gb/s SATA 64MB (Internal)3 TB£145.00--£48.33UsedThird partyBuy on Amazon

Frequently asked questions

When is Prime Big Deal Days 2026?

Prime Big Deal Days 2026 runs on Amazon.co.uk on 6 and 7 October 2026, from 00:01 on 6 October to 23:59 BST on 7 October, with new offers appearing through both days.

Do I need Prime to get these offers?

Yes for offers marked Prime exclusive in our tables: Amazon reserves those for Prime members. The other prices shown are available to every Amazon.co.uk customer.

Is Amazon's list price reliable?

UK consumer protection rules require a reference price to be genuine, and we show it exactly as Amazon states it, with Amazon's own label, without recalculating it.

All Prime Big Deal Days 2026 storage deals

Last updated at 2026-10-22 18:00:46 UTC. As an Amazon Associate I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed at the time of purchase will apply to the purchase of the product. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC.

Used Hard Drive Deals UK 2026 | Prime Big Deal Days Offers