Hard Drives Under £25/TB 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 7 offers on this selection right now. The cheapest new price per TB on this page is £2.50/TB, on the IBM 01PL041 DC Ultrium8 LTO8 without.
We track 9 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.
At this price many listings are renewed or used. Check the condition column before you buy.
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.
New
Used (1)
| Product | Capacity | Price | Amazon’s list price | Amazon’s stated saving | £/TB | Condition | Sold by | Buy |
|---|---|---|---|---|---|---|---|---|
| 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, Silver | 5 TB | £119.70 | - | - | £23.94 | Used | AmazonPrime | Buy 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.
New
Renewed
| Product | Capacity | Price | Amazon’s list price | Amazon’s stated saving | £/TB | Condition | Sold by | Buy |
|---|---|---|---|---|---|---|---|---|
| Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5" HDD SATA 6Gb/s 7200RPM 512MB Cache (Renewed) | 28 TB | £640.06 | - | - | £22.86 | Renewed | AmazonPrime | Buy on Amazon |
| Seagate Exos 24TB Internal Server Hard Drive ST24000NM000C 3.5 Inch HDD SATA 6Gb/s 7200RPM 512MB (Factory Recertified) | 24 TB | £613.67 | - | - | £25.57 | Renewed | Third party | Buy on Amazon |
| MDD (MDD10TSATA25672NAS) 10TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (Renewed) | 10 TB | £261.53 | - | - | £26.15 | Renewed | AmazonPrime | Buy on Amazon |
| Hitachi HGST WD Ultrastar DC HC510 10TB 7200RPM SATA 6Gb/s 3.5-inch SED Hard Drive - HUH721010ALE601 (0F27605) (Renewed) | 10 TB | £267.92 | - | - | £26.79 | Renewed | AmazonPrime | Buy on Amazon |
| HGST HGST Ultrastar He6 6TB 3.5in SATA 7200 RPM Enterprise Internal Hard Drive with 64Mb Cache - HUS726060ALA640/0F18335 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0F18335 (Renewed) | 6 TB | £164.35 | - | - | £27.39 | Renewed | AmazonPrime | Buy on Amazon |
Used (3)
| Product | Capacity | Price | Amazon’s list price | Amazon’s stated saving | £/TB | Condition | Sold by | Buy |
|---|---|---|---|---|---|---|---|---|
| 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 Blue | 5 TB | £138.57 | - | - | £27.71 | Used | AmazonPrime | Buy on Amazon |
| Seagate IronWolf Pro 6TB Interne hard disc 8.9cm (3.5 Zoll) SATA III ST6000NE000 Bulk | 6 TB | £189.00 | - | - | £31.50 | Used | Third party | Buy on Amazon |
| Western Digital 6000 GB Network Attached Storage | 6 TB | £200.00 | - | - | £33.33 | Used | Third party | Buy 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.