Western Digital 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 153 offers on this selection right now. The cheapest new price per TB on this page is £16.59/TB, on the Western Digital WD Red Pro NAS.

We track 266 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.

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. Showing the first 59 of 153.

New

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
WD_BLACK 10 TB HighPerformance 3.5" Internal Gaming Hard Drive, 7200 RPM Class, SATA 6 GB/s, 512MB Cache10 TB£440.99£476.99RRP£36.008%£44.10NewAmazonPrimeBuy on Amazon
G-DRIVE 18TB Hard disk desktop di classe enterprise, fino a 270 MB/s, USB-C18 TB£574.99£608.99RRP£34.006%£31.94NewAmazonPrimeBuy on Amazon
WD 16TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD16 TB£633.99£660.99RRP£27.004%£39.62NewAmazonPrimeBuy on Amazon
WD 6TB Elements portable external hard drive, USB 3.0, portable external storage, Plug-and-Play, SuperSpeed USB 3.2 Gen 1, Formatted for PC and Mac, Black6 TB£172.99£189.99RRP£17.009%£28.83NewAmazonPrimeBuy on Amazon
WD Red 6TB NAS 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 64 MB Cache - WD60EFRX Red WD60EFRX6 TB£316.01£332.98Was£16.975%£52.67NewThird partyBuy on Amazon
Western Digital WD11PURZ / 1 TB1 TB£104.99£119.99Was£15.0013%£104.99NewThird partyBuy on Amazon
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6Gb/s, CMR, 128MB Cache4 TB£132.42£146.99RRP£14.5710%£33.10NewAmazonPrimeBuy on Amazon
WD Red WD40EFRX 4 TB SATA 6 Gb/s Hard Disk Drive with NASware4 TB£207.06£219.00Was£11.945%£51.77NewThird partyBuy on Amazon
WD 1TB Elements SE SSD Portable SSD USB 3.0 up to 400 MB/s 2-meters drop resistance1 TB£122.53£133.69Was£11.168%£122.53NewAmazonPrimeBuy on Amazon
WD Purple 8TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 256MB Cache, 3 Year Warranty8 TB£390.00£400.00Was£10.003%£48.75NewThird partyBuy on Amazon
WD Red Plus 6TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 256MB Cache6 TB£276.52£284.95Was£8.433%£46.09NewThird partyBuy on Amazon
WD_BLACK 2TB Performance 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64MB Cache2 TB£162.00£170.00Was£8.005%£81.00NewThird partyBuy on Amazon
WD_BLACK P50 500GB NVMe SSD Game Drive - SSD speeds up to 2000MB/s works with PC, XBox and PlayStation500 GB£69.95£77.18Was£7.239%£139.90NewAmazonPrimeBuy on Amazon
WD_BLACK P40 1TB Game Drive SSD, External SSD drive, Portable, Works with Playstation, PS5, Xbox, PC & Mac, Superspeed USB 3.2 Gen 2x2, up to 2000 MB/s, WD_BLACK Dashboard, Customizable RGB lighting1 TB£188.33£193.47Was£5.143%£188.33NewThird partyBuy on Amazon
WD Red 1TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD10EFRX1 TB£110.00£114.75Was£4.754%£110.00NewThird partyBuy on Amazon
WD_BLACK 1TB Performance 2.5"Mobile Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64MB Cache, 5 Year Warranty1 TB£90.00£94.49Was£4.495%£90.00NewThird partyBuy on Amazon
Western Digital Blue WD5000AZLX 500GB 7200RPM 32MB Cache SATA 6.0Gb/s 3.5 inch Internal Hard Drive500 GB£48.00£49.99Was£1.994%£96.00NewThird partyBuy on Amazon
Western Digital WD Red Pro NAS Hard Disk Drive22 TB£365.00--£16.59NewThird partyBuy on Amazon
WD 24TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black24 TB£619.99--£25.83NewAmazonPrimeBuy on Amazon
WD 16TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black16 TB£433.99--£27.12NewAmazonPrimeBuy on Amazon
WD 14 TB Elements Desktop External Hard Drive - USB 3.0, Black14 TB£381.01--£27.22NewAmazonPrimeBuy on Amazon
WD 24TB Elements External Desktop Hard Drive, USB 3.1 Gen 1, Fast transfer rates, Easy add on storage for all your pictures, videos, music and documents, Black24 TB£688.40--£28.68NewThird partyBuy on Amazon
Western Digital WD 44TB My Book DuoDesktop RAID External Hard Drive USB 3.2 Gen 144 TB£1,399.99--£31.82NewAmazonPrimeBuy on Amazon
G-DRIVE 22TB Hard disk desktop di classe enterprise, fino a 280 MB/s, USB-C22 TB£704.99--£32.05NewAmazonPrimeBuy on Amazon
WD 14TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black14 TB£451.08--£32.22NewThird partyBuy on Amazon
WD 22TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black22 TB£708.77--£32.22NewThird partyBuy on Amazon
Western Digital Purple NV 6000GB Serial ATA III - internal hard drives (Serial ATA III, HDD, 0-65 °C, -40-70 °C)6 TB£199.09--£33.18NewThird partyBuy on Amazon
WD 24TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD24 TB£862.99--£35.96NewAmazonPrimeBuy on Amazon
WD 5TB Elements portable external hard drive, USB 3.0 interface, portable external storage, Plug-and-Play, SuperSpeed USB 3.2 Gen 1, Formatted for PC and Mac, Black5 TB£182.00--£36.40NewThird partyBuy on Amazon
Western Digital Ultrastar DC HC550 3.5" 16000 GB Serial ATA III16 TB£595.00--£37.19NewThird partyBuy on Amazon
WD Blue 6TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty6 TB£233.00--£38.83NewThird partyBuy on Amazon
WD Red Pro 16TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache16 TB£685.47--£42.84NewThird partyBuy on Amazon
WD Red Pro 22TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache22 TB£954.75--£43.40NewThird partyBuy on Amazon
WD Purple Pro 24TB Smart Video 3.5" Internal Hard Drive, AllFrame AI Technology, 7200 RPM, SATA 6 GB/s, 550TB/yr, 512MB Cache24 TB£1,043.13--£43.46NewThird partyBuy on Amazon
Western Digital WD60EZAZ 6TB BLUE 256MB 3.5IN SATA 6GB/S 5400rpm:: (Components > Internal Hard Drives)6 TB£263.53--£43.92NewAmazonPrimeBuy on Amazon
G-DRIVE Project 26TB, with PRO-BLADE SSD Mag Slot, Thunderbolt 3 (40Gbps), USB 3.2 Gen 2 (10Gbps), 7200RPM Enterprise Class Hard Drive, Up to 260MB/s read26 TB£1,153.99--£44.38NewAmazonPrimeBuy on Amazon
WD Purple Pro 10TB Smart Video 3.5" Internal Hard Drive, AllFrame AI Technology, 7200 RPM, SATA 6 GB/s, 550TB/yr, 256MB Cache10 TB£450.00--£45.00NewThird partyBuy on Amazon
WD 26TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Auto Backup Software - WDBBGB0260HBK-NESN26 TB£1,176.47--£45.25NewAmazonPrimeBuy on Amazon
Western Digital Purple 6TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 180TB/yr, 64MB Cache, 5400rpm - WD60PURZ6 TB£272.00--£45.33NewThird partyBuy on Amazon
WD 4TB My Passport portable external storage, external hard drive, USB 3.0, portable HDD with software for device management, backup and password protection, works with PC, Xbox &Playstation, Blue4 TB£181.77--£45.44NewThird partyBuy on Amazon
WD Red Pro 26TB NAS 3.5" Internal Hard Drive - 7200 RPM, SATA 6 Gb/s, CMR, 512MB Cache26 TB£1,200.10--£46.16NewThird partyBuy on Amazon
WD Blue 12TB Desktop 3.5" Internal Hard Drive, 7200 RPM, SATA 6Gb/s, 512MB Cache12 TB£563.84--£46.99NewThird partyBuy on Amazon
G-DRIVE 6TB Hard disk desktop di classe enterprise, fino a 250 MB/s, USB-C6 TB£282.50--£47.08NewThird partyBuy on Amazon
WD 6TB My Book Desktop External Hard Drive, USB 3.06 TB£288.32--£48.05NewThird partyBuy on Amazon
Western Digital Blue™ 4TB Interne hard disc 8.9cm (3.5 Zoll) SATA III WD40EZAZ Bulk4 TB£195.00--£48.75NewThird partyBuy on Amazon
WD Red Plus 10TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6Gb/s, CMR, 256MB Cache10 TB£488.00--£48.80NewThird partyBuy on Amazon
WD Red Plus 10TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch10 TB£488.00--£48.80NewThird partyBuy on Amazon
G-DRIVE Project 18TB, with PRO-BLADE SSD Mag Slot, Thunderbolt 3 (40Gbps), USB 3.2 Gen 2 (10Gbps), 7200RPM Enterprise Class Hard Drive, Up to 260MB/s read18 TB£886.08--£49.23NewAmazonPrimeBuy on Amazon
WD Purple Pro 8TB Smart Video 3.5" Internal Hard Drive, AllFrame AI Technology, 7200 RPM, SATA 6 GB/s, 550TB/yr, 256MB Cache8 TB£394.00--£49.25NewThird partyBuy on Amazon
Western Digital WD60EFRX 6TB SATA 64MB 3.5" HD Red6 TB£299.00--£49.83NewThird partyBuy on Amazon
WD Red Pro 20TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache20 TB£999.00--£49.95NewThird partyBuy on Amazon
WD Red Pro 14 TB 3.5 Inch NAS Internal Hard Drive - 7200 RPM - WD141KFGX14 TB£699.99--£50.00NewThird partyBuy on Amazon
WD Gold 16TB HDD 7200rpm 6Gb/s sATA 512MB cache 3.5p internal RoHS compliant Enterprise Bulk16 TB£799.99--£50.00NewThird partyBuy on Amazon
WD Red 5TB NAS Desktop Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 Inch5 TB£252.00--£50.40NewThird partyBuy on Amazon
HGST ULTRASTAR HE8 8TB 3.5IN HUH728080AL5200 SAS ULTRA8 TB£403.56--£50.45NewThird partyBuy on Amazon
Used (4)
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
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
Western Digital 6000 GB Network Attached Storage6 TB£200.00--£33.33UsedThird 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

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

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
TRyYCB Portable 1TB External Hard Drive 25 Inch Plug And Play Metal Storage Tablet Compatible Devices(Black)1 TB£11.89£13.98Was£2.0915%£11.89NewThird partyBuy on Amazon
Western Digital WD Red Pro NAS Hard Disk Drive22 TB£365.00--£16.59NewThird partyBuy on Amazon
Seagate Exos 26TB Internal Hard Drive, 3.5 Inch HDD, SATA3, 256MB Cache26 TB£599.00£688.58Was£89.5813%£23.04NewThird partyBuy on Amazon
6TB/8TB built-in 3.5-inch SATA 6.0Gb/s 5400RPM hard drive, suitable for NAS storage, desktop computers, surveillance DVRs, CCTV, and high-capacity reliable storage backup (6TB).8 TB£188.88--£23.61NewThird partyBuy on Amazon
MDD (MD14TSATA25672NAS) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal NAS Hard Drive - 5 Years Warranty14 TB£334.75--£23.91NewAmazonPrimeBuy on Amazon
Seagate 24TB One Touch Desktop Hard Drive | USB-C (STNB24000400) | Bus-powered HDD. Single cable. Requires 15W USB-C power. PC & Mac. Adobe CC & Mylio trial. 2-Year Warranty + 2-Year Rescue24 TB£589.99£763.99RRP£174.0023%£24.58NewAmazonPrimeBuy on Amazon
WD 24TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black24 TB£619.99--£25.83NewAmazonPrimeBuy on Amazon
Seagate 20TB One Touch Desktop Hard Drive | USB-C (STNB20000400) | Bus-powered HDD. Single cable. Requires 15W USB-C power. PC & Mac. Adobe CC & Mylio trial. 2-Year Warranty + 2-Year Rescue20 TB£516.99--£25.85NewAmazonPrimeBuy on Amazon
WD 18TB Elements Desktop External Hard Drive - USB 3.0, Black18 TB£465.99--£25.89NewAmazonPrimeBuy on Amazon
Seagate Game Drive for Xbox 5TB, External Hard Drive Portable, USB 3.2 Gen 1, White with built-in green LED bar, Xbox Certified, Data Rescue Services (STKX5000100)5 TB£134.99£151.19Was£16.2011%£27.00NewAmazonPrimeBuy on Amazon
WD 16TB My Book external hard drive, Desktop HDD with Password Protection, USB 3.0, SuperSpeed USB, software for device management, backup, hardware encryption, works with PC and Mac, Black16 TB£433.99--£27.12NewAmazonPrimeBuy on Amazon
Seagate 5TB One Touch Portable Hard Drive | USB 3.0 (STKZ5000404) | Premium HDD with password protection, customizeable backup, Windows & macOS. Adobe CC trial. 2-Year Warranty + 2-Year Rescue5 TB£138.99--£27.80NewAmazonPrimeBuy on Amazon
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6Gb/s, CMR, 128MB Cache4 TB£132.42£146.99RRP£14.5710%£33.10NewAmazonPrimeBuy on Amazon
maisi 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache – for PC, Surveillance Storage, CCTV DVR – Frustration Free Packaging2 TB£69.99--£34.99NewThird partyBuy on Amazon
SANSCO 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache – for PC, Surveillance Storage, CCTV DVR – Frustration Free Packaging2 TB£69.99--£34.99NewThird partyBuy on Amazon
Seagate Exos X10 Enterprise Hard Drive ST10000NM0096 10 TB - SAS 12Gb/s10 TB£357.00--£35.70NewThird partyBuy on Amazon
HGST 0B36047 - Ultrastar 7K6 HUS726T6TAL5204 - Hard drive - 6 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 256 MB6 TB£258.50--£43.08NewThird partyBuy on Amazon
Netac SSD 1TB Internal Solid State Drive HDD 1TB (3D NAND, SATA, 2.5 Inch, Internal SSD), Black1 TB£95.98--£95.98NewThird partyBuy on Amazon
fanxiang 1TB 2.5" SATA III SSD, Up to 560MB/s, SATA 6Gb/s1 TB£99.49--£99.49NewThird partyBuy on Amazon
fanxiang SATA SSD 1TB Internal SSD 2.5" SATA III, Up to 550MB/s1 TB£99.99--£99.99NewThird partyBuy on Amazon
Netac NV3000 500GB NVMe SSD Internal Solid State Drive 500GB Speeds up to 3100MB/s M.2 2280mm PCIe 3.0 Internal SSD500 GB£69.99--£139.98NewThird partyBuy on Amazon
fanxiang 500GB NVMe M.2 SSD, Up to 4300MB/s, PCIe Gen4 x4500 GB£72.99--£145.98NewThird partyBuy on Amazon

Renewed

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5" HDD SATA 6Gb/s 7200RPM 512MB Cache (Renewed)28 TB£640.06--£22.86RenewedAmazonPrimeBuy on Amazon
Seagate Enterprise Capacity 3.5 HDD| ST6000NM0034 | 6TB 7.2K RPM SAS 12Gb/s 128MB Cache 3.5" | 512n | Enterprise Hard Disk Drive for Hyperscale Applications (Certified Refurbished) w/ 3 Year Warranty6 TB£149.99--£25.00RenewedThird partyBuy 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--£25.57RenewedThird partyBuy on Amazon
Toshiba 14TB SATA 512e 256MB Cache 7200RPM 3.5" SATA 6.0Gb/s Enterprise Hard Drive - MG07ACA14TE (Renewed)14 TB£363.29--£25.95RenewedAmazonPrimeBuy on Amazon
HGST WD Ultrastar DC HC520 Hard Drive | HUH721212ALE601 | 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5" | ISE 512e | Helium Data Center Internal Hard Drive (Renewed)12 TB£311.74--£25.98RenewedAmazonPrimeBuy on Amazon
MDD (MDD10TSATA25672NAS) 10TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (Renewed)10 TB£261.53--£26.15RenewedAmazonPrimeBuy 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--£26.79RenewedAmazonPrimeBuy 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--£27.39RenewedAmazonPrimeBuy 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.

Western Digital Deals UK 2026 | Prime Big Deal Days Offers