WD Red 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 30 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 52 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.

Plain WD Red drives (without Plus or Pro) use SMR recording, which rebuilds slowly in RAID. They are flagged in the 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. Showing the first 29 of 30.

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
WD Red 6TB NAS 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 64 MB Cache - WD60EFRX Red WD60EFRXSMR6 TB£316.01£332.98Was£16.975%£52.67NewThird 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 NASwareSMR4 TB£207.06£219.00Was£11.945%£51.77NewThird 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 Red 1TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD10EFRXSMR1 TB£110.00£114.75Was£4.754%£110.00NewThird partyBuy on Amazon
Western Digital WD Red Pro NAS Hard Disk Drive22 TB£365.00--£16.59NewThird 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 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 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
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 Red 5TB NAS Desktop Hard Disk Drive - Intellipower SATA 6 Gb/s 64MB Cache 3.5 InchSMR5 TB£252.00--£50.40NewThird partyBuy on Amazon
Synology DS223J 20TB 2 Bay NAS Solution installed with 2 x 10TB Western Digital Red Plus Drives20 TB£1,106.97--£55.35NewThird partyBuy on Amazon
Synology DS223 24TB 2 Bay Desktop NAS Solution installed with 2 x 12TB Western Digital Red Plus Drives24 TB£1,343.49--£55.98NewThird partyBuy on Amazon
WD Red Pro 24TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache24 TB£1,355.96--£56.50NewAmazonPrimeBuy on Amazon
Synology DS223 20TB 2 Bay Desktop NAS Solution installed with 2 x 10TB Western Digital Red Plus Drives20 TB£1,194.45--£59.72NewThird partyBuy on Amazon
WD Red Pro 4 TB NAS Hard Drive4 TB£242.00--£60.50NewThird partyBuy on Amazon
WD Red Pro 12TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache12 TB£785.00--£65.42NewThird partyBuy on Amazon
Synology DS223 16TB 2 Bay Desktop NAS Solution installed with 2 x 8TB Western Digital Red Plus Drives16 TB£1,086.45--£67.90NewThird partyBuy on Amazon
Synology DS223 12TB 2 Bay Desktop NAS Solution installed with 2 x 6TB Western Digital Red Plus Drives12 TB£956.98--£79.75NewThird partyBuy on Amazon
Synology DS223J 8TB 2 Bay NAS Solution installed with 2 x 4TB Western Digital Red Plus Drives8 TB£642.57--£80.32NewThird partyBuy on Amazon
Synology DS223 8TB 2 Bay Desktop NAS Solution installed with 2 x 4TB Western Digital Red Plus Drives8 TB£730.05--£91.26NewThird partyBuy on Amazon
WD Red Pro 2 TB 3.5 Inch NAS Internal Hard Drive - 7200 RPM - WD2002FFSX2 TB£199.09--£99.55NewThird partyBuy on Amazon
Western Digital WD Red Pro NAS Hard Drive WD2002FFSX - Hard drive - 2 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB - WD2002FFSX (Components > Internal Hard Drives) -}a2 TB£199.09--£99.55NewThird partyBuy on Amazon
Synology DS223J 4TB 2 Bay NAS Solution installed with 2 x 2TB Western Digital Red Plus Drives4 TB£521.61--£130.40NewThird partyBuy on Amazon
Synology DS223 4TB 2 Bay Desktop NAS Solution installed with 2 x 2TB Western Digital Red Plus Drives4 TB£609.09--£152.27NewThird partyBuy on Amazon
WD Red 1 TB NAS Hard Drive: 3.5 Inch, SATA III, 64 MB Cache - WD10EFRXSMR1 TB£192.45--£192.45NewThird 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
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
BUFFALO LinkStation 210 4TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage That Works as Home Cloud or Network Storage Device for Home4 TB£222.01--£55.50NewThird partyBuy on Amazon
BUFFALO LinkStation 220 4TB 2-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage That Works as Home Cloud or Network Storage Device for Home4 TB£252.60£309.74Was£57.1418%£63.15NewThird partyBuy on Amazon
BUFFALO LinkStation 210 2TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage That Works as Home Cloud or Network Storage Device for Home2 TB£185.00--£92.50NewThird 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 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
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.