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 289 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 523 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 60 of 289.

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 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 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
Seagate 4TB Expansion Portable Hard Drive | MicroB to USB-C (STNN4000400) | Everyday HDD storage. Effortless backup. Windows & macOS. Lightweight & travel-ready. 2-Year Warranty + 2-Year Rescue4 TB£150.99£218.73Was£67.7431%£37.75NewAmazonPrimeBuy on Amazon
Synology BeeStation Plus 8TB Personal Cloud Storage Device8 TB£601.15£655.67RRP£54.528%£75.14NewAmazonPrimeBuy on Amazon
LaCie 8TB d2 Professional | USB-C (STHA8000800)8 TB£339.95£393.99RRP£54.0414%£42.49NewAmazonPrimeBuy on Amazon
LaCie 10TB d2 Professional | USB-C (STHA10000800)10 TB£381.99£431.99RRP£50.0012%£38.20NewAmazonPrimeBuy on Amazon
LaCie 5TB Mobile Drive Secure | USB-C (STLR5000400) | Premium portable HDD, 5Gbps password encryption. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue5 TB£189.97£237.99RRP£48.0220%£37.99NewAmazonPrimeBuy on Amazon
Synology, HAT3310, 16TB, 3.5" SATA Home User HDD, MTBF 1.2 Million Hours16 TB£614.17£659.99Was£45.827%£38.39NewThird partyBuy on Amazon
Seagate 12TB IronWolf Pro Internal NAS Hard Drive | SATA (ST12000NTZ01) | 7200 RPM. Professional NAS HDD. 24/7 performance, AgileArray, All-CMR, 550TB/year, health monitoring.12 TB£475.02£520.02Was£45.009%£39.59NewThird partyBuy on Amazon
Seagate 8TB Desktop Hard Drive | USB 3.0 (STGY8000400) | High-capacity HDD for add-on PC storage, plug & play, drag & drop, PC & macOS compatible. 2-Year Warranty + 2-Year Rescue8 TB£225.99£269.99Was£44.0016%£28.25NewAmazonPrimeBuy on Amazon
Seagate 8TB Expansion Desktop Hard Drive | MicroB to USB-C (STNP8000400) | High-capacity HDD storage for backup & archive, Windows & macOS compatible. 2-Year Warranty + 2-Year Rescue8 TB£232.99£273.99RRP£41.0015%£29.12NewAmazonPrimeBuy on Amazon
Seagate 5TB Portable Hard Drive | USB 3.0 (STGX5000400) | Everyday HDD storage. Plug-and-play backup. Windows & macOS. Adobe CC trial included. 2-Year Warranty + Rescue Services5 TB£149.99£189.99RRP£40.0021%£30.00NewAmazonPrimeBuy on Amazon
Seagate Expansion Desktop, 8TB, External Hard Drive, USB 3.0, 2 year Rescue Services (STKP8000400)8 TB£260.00£298.99RRP£38.9913%£32.50NewThird partyBuy on Amazon
Synology HAT3320 Plus Series 8TB 3.5" 7200 RPM NAS Drive8 TB£402.29£439.00Was£36.718%£50.29NewThird partyBuy on Amazon
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
Seagate 16TB One Touch Desktop Hard Drive | USB-C (STNB16000400) | Bus-powered HDD. Single cable. Requires 15W USB-C power. PC & Mac. Adobe CC & Mylio trial. 2-Year Warranty + 2-Year Rescue16 TB£434.99£466.99Was£32.007%£27.19NewAmazonPrimeBuy on Amazon
Seagate 6TB Expansion Desktop Hard Drive | USB 3.0 (STKP6000400) | Desktop HDD for easy backup, plug-and-play, drag-and-drop, auto detects Windows & Mac. 2-Year Warranty + 2-Year Rescue6 TB£178.99£209.99RRP£31.0015%£29.83NewAmazonPrimeBuy on Amazon
LaCie 4TB d2 Professional | USB-C (STHA4000800)4 TB£224.99£253.99RRP£29.0011%£56.25NewAmazonPrimeBuy 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
LaCie Mobile Drive Moon 2TB, External Hard Drive Portable, USB-C 3.2, PC Mac iPad & iPhone, Data Rescue Services (STLP2000400)2 TB£107.99£134.97Was£26.9820%£54.00NewAmazonPrimeBuy on Amazon
Synology 6TB HAT3300 HDD - 1 millions hours MTBF, 180TB/year workload, 5400prm6 TB£295.31£317.67RRP£22.367%£49.22NewThird partyBuy on Amazon
LaCie 4TB Rugged Portable Hard Drive | USB-C (STFR4000800) | All-terrain portable HDD, drop, crush & rain resistant, bus-powered. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue4 TB£196.99£219.00Was£22.0110%£49.25NewAmazonPrimeBuy on Amazon
Seagate 8TB IronWolf Internal NAS Hard Drive | SATA 6 Gb/s (ST8000VNZ02) | 5400 RPM. 24/7 NAS-optimized HDD. AgileArray, All-CMR, RV sensors for multi-bay, 180TB/year. 3-Year Warranty + 3-Year Rescue8 TB£313.50£335.04Was£21.546%£39.19NewThird partyBuy on Amazon
LaCie 2TB Rugged Portable Hard Drive | USB-C (STFR2000800) | All-terrain portable HDD, drop, crush & rain resistant, bus-powered. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue2 TB£144.99£163.99RRP£19.0012%£72.50NewAmazonPrimeBuy on Amazon
SANDISK Ultra Dual Drive Go 256GB, USB-C & USB-A, Up to 400MB/s Read Speeds | USB Memory Stick, Reversible Connectors for USB-C Smartphones, Tablets, & Mac, Automatic Backup, USB 3.2 Gen1, Black256 GB£35.99£54.99RRP£19.0035%£140.59NewAmazonPrimeBuy 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
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 Expansion Portable, 2TB, External Hard Drive, 2.5 Inch, USB 3.0, for Mac and PC, 2 year Rescue Services (STKM2000400)2 TB£99.99£115.00Was£15.0113%£50.00NewThird partyBuy on Amazon
Western Digital WD11PURZ / 1 TB1 TB£104.99£119.99Was£15.0013%£104.99NewThird partyBuy on Amazon
Seagate Barracuda ST1000DM003, 1TB SATA 3.5" Internal Hard Disk Drive - (6Gb/s, 7200rpm, 64MB Cache)1 TB£75.00£89.99Was£14.9917%£75.00NewThird 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
Synology 4TB HAT3300 HDD - 1 millions hours MTBF, 180TB/year workload, 5400prm4 TB£220.00£234.00Was£14.006%£55.00NewAmazonPrimeBuy 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
Seagate 8TB One Touch Desktop Hard Drive | USB-C (STNB8000400) | Bus-powered HDD. Single cable. Requires 15W USB-C power. PC & Mac. Adobe CC & Mylio trial. 2-Year Warranty + 2-Year Rescue8 TB£232.99£244.56Was£11.575%£29.12NewAmazonPrimeBuy on Amazon
Seagate 4TB IronWolf Pro Internal NAS Hard Drive | SATA (ST4000NTZ01) | 7200 RPM. Professional NAS HDD. 24/7 performance, AgileArray, All-CMR, 550TB/year, health monitoring.4 TB£205.02£215.04Was£10.025%£51.26NewAmazonPrimeBuy 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
Seagate FireCuda Gaming Hard Drive 2TB, External Hard Drive HDD, USB 3/2, RGB LED lighting, Data Rescue Services (STKL2000400)2 TB£108.99£118.99Was£10.008%£54.50NewAmazonPrimeBuy on Amazon
SanDisk 128GB Extreme PRO SDXC card, SD Card, V30 Memory Card, 4K UHD, up to 200 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe Data Recovery Software, UHS-I, Class 10, U3, V30128 GB£39.99£49.99RRP£10.0020%£312.42NewAmazonPrimeBuy on Amazon
Toshiba Canvio Ready 4TB - tragbare externe 2,5-Zoll-Festplatte mit SuperSpeed USB 3.2 Gen 1, kompatibel mit Microsoft Windows 8, 10 und 11, schwarz (HDTP340EK3CA)4 TB£142.97£152.84Was£9.876%£35.74NewThird partyBuy on Amazon
Lexar D50E 256GB Dual Drive, USB Flash Drive, Up to 400MB/s Read, USB-C/A | 360MB/s Write High-Performance, USB-C & USB-A Port, Metal Housing Swivel Design, Compatible with iPhone 17, Android, PC256 GB£55.24£64.99Was£9.7515%£215.78NewThird 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
LaCie Rugged Mini 2TB Portable Hard Drive | USB 3.0 (LAC9000298) | All-terrain portable HDD, drop, crush & rain resistant, bus-powered. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue2 TB£130.99£138.99Was£8.006%£65.50NewAmazonPrimeBuy 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
LaCie Rugged Mini 4TB Portable Hard Drive | USB 3.0 (LAC9000633) | All-terrain portable HDD, drop, crush & rain resistant, bus-powered. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue4 TB£173.52£181.18Was£7.664%£43.38NewAmazonPrimeBuy on Amazon
Seagate 2TB Game Drive for PlayStation | USB 3.0 (STLV2000202) | Officially Licensed HDD for PlayStation. Archive PS5 games. Play PS4 games directly. Blue LED. 3-Year Warranty2 TB£116.99£123.99Was£7.006%£58.50NewAmazonPrimeBuy on Amazon
LaCie Mobile Drive Moon 1TB, External Hard Drive Portable, PC Mac iPad & iPhone, Data Rescue Services (STLP1000400)1 TB£97.99£104.97Was£6.987%£97.99NewAmazonPrimeBuy on Amazon
LaCie 5TB Rugged Portable Hard Drive | USB-C (STFR5000800) | All-terrain portable HDD, drop, crush & rain resistant, bus-powered. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue5 TB£220.99£227.47Was£6.483%£44.20NewAmazonPrimeBuy on Amazon
Lexar D40E 128GB Dual Usb Stick Type-C Jump Drive, Titanium Grey | l USB 3.2 Gen 1 Type-C Jump Drive, USB-C Flash Metal Housing Swivel Design Thumb Drive128 GB£23.79£29.99RRP£6.2021%£185.86NewThird partyBuy on Amazon
LaCie 4TB Mobile Drive | USB-C (STLP4000400) | Portable HDD, one-click backup. Adobe CC trial included. 3-Year Warranty + 3-Year Rescue4 TB£173.97£179.99Was£6.023%£43.49NewAmazonPrimeBuy on Amazon
Seagate Game Drive for PS4, 2TB, Portable External Hard Drive, Compatible with PS4 and PS5 (STGD2000200), Black2 TB£169.00£175.00Was£6.003%£84.50NewThird partyBuy on Amazon
TOSHIBA Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black4 TB£153.11£159.00Was£5.894%£38.28NewAmazonPrimeBuy on Amazon
TOSHIBA Can. Basics 2TB black 2,5" USB3.22 TB£98.89£104.47RRP£5.585%£49.45NewThird partyBuy on Amazon
Seagate ST2000NX0253 Enterprise Capacity HDD, 2 TB Internal Hard Drive - Black2 TB£140.00£145.00Was£5.003%£70.00NewThird 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

Renewed

ProductCapacityPriceAmazon’s list priceAmazon’s stated saving£/TBConditionSold byBuy
Seagate Exos X22 22TB Internal Server Festplatte ST22000NM000C 3.5 Zoll HDD SATA 6Gb/s 512E SED 7200RPM 512MB Cache (Refurbished)22 TB£579.58£1,873.71New price£1,294.1369%£26.34RenewedAmazonPrimeBuy on Amazon
Seagate Technology Exos X20, 20TB, 3.5-Inch SATA Hard Drive at 6GB/s, 7,200 RPM, 512e and 4Kn FastFormat, Low Latency with Enhanced Cache (ST20000NM007D), Green (Renewed)20 TB£640.06£1,647.24New price£1,007.1861%£32.00RenewedAmazonPrimeBuy on Amazon
Seagate Enterprise 3.5" 18000 GB 7200 RPM 18 TB 3.5" 7200 RPM SATA ST18000NM00J (Renewed)18 TB£503.99£640.00New price£136.0121%£28.00RenewedThird 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
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 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 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

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
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.

Hard Drive Deals UK 2026 | Prime Big Deal Days Offers