24TB 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 16 offers on this selection right now. The cheapest new price per TB on this page is £24.58/TB, on the Seagate 24TB One Touch Desktop Hard.

We track 20 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.

New

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
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
Seagate 24TB IronWolf Pro Internal NAS Hard Drive | SATA (ST24000NTZ02) | 7200 RPM. Professional NAS HDD. 24/7 performance, AgileArray, All-CMR, 550TB/year, health monitoring.24 TB£950.04£1,027.99RRP£77.958%£39.59NewThird 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
Seagate 24TB Expansion Desktop Hard Drive | USB 3.0 (STKP24000400) | Desktop HDD for easy backup, plug-and-play, drag-and-drop, auto detects Windows & Mac. 2-Year Warranty + 2-Year Rescue24 TB£627.41--£26.14NewAmazonPrimeBuy 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
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
Synology - HAT5320-24T Enterprise HAT5300 HAT5320-24T 24 TB Hard Drive - 3.5 Internal - SATA (SATA/600) -24 TB£980.00--£40.83NewThird partyBuy on Amazon
Synology Enterprise HAT5320-24T HDD 24TB SATA 3.5" Hard Drive24 TB£1,000.00--£41.67NewThird 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
LaCie d2 Professional 24TB, Externe Harde Schijf, voor PC Mac & iPad, maand Adobe CC All Apps, Data Rescue Service (STHA24000800)24 TB£1,132.60--£47.19NewThird partyBuy on Amazon
WD 24TB My Book Desktop External Hard Drive, with Password Protection and Backup Software, USB 3.2 Gen1, exFAT - WDBBGB0240HBK-NESN24 TB£1,244.62--£51.86NewAmazonPrimeBuy 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
iStorage diskAshur DT3 256-bit 24TB - FIPS Level 3 Certified - Secure encrypted Desktop Hard Drive - Password Protected24 TB£1,430.68--£59.61NewThird partyBuy on Amazon
iStorage diskAshur DT2 24 TB - Secure Encrypted Desktop Hard Drive - FIPS Level-2 - Password protected - Dust/Water Resistant24 TB£1,430.68--£59.61NewThird partyBuy on Amazon
Western Digital 24TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD242KRYZ24 TB£1,616.33--£67.35NewThird partyBuy on Amazon

Renewed

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
Seagate EXOS X24 24TB Interne Festplatte 3.5 Zoll SATA 3 Gbit/s 512 MB, ST24000NM000C (Renewed)24 TB£631.15--£26.30RenewedAmazonPrimeBuy 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
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
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

Renewed

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
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

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.