disks.co.uk — compare hard drives by price per terabyteEvery UK hard drive & SSD, ranked by real £/TB — live Amazon.co.uk prices
Home › 3.5" drives

Cheapest 3.5" drives ranked by price per terabyte

All 3.5" drives on Amazon.co.uk, ranked by cost per terabyte (£/TB) from Keepa price history. Prices refresh daily with 24-hour movement and all-time-low flags. Filter by capacity, technology or condition and click through for the full history of any drive.

last updated: 2026-09-04 17:31:16
Condition
Region
Fulfilment
Type
Capacity 0TB
Unlimited
Per
What do these mean? Full info in the FAQ ›
£/TB Price Size Tech Form Factor Condition Description
£49.38 £691.37+4.2% 24h14 TBHDD3.5"New
WD Red Pro 14TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy
£49.45 £98.90-26.7% 24h2 TBHDD3.5"New
WD AV-GP Enterprise 2 TB 3.5-inch SATA Internal Hard Drive Buy
£49.90£598.7712 TBHDD3.5"New
WD Purple Pro 12TB Smart Video 3.5" Internal Hard Drive, AllFrame Technology, 550TB/yr, 256MB Cache, 7200 RPM, 5 Year Warranty Buy
£50.44 £403.48+8.8% 24h8 TBHDD3.5"New
WD Purple 8TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 256MB Cache, 3 Year Warranty Buy
£50.46 £403.70-0.3% 24h8 TBHDD3.5"New
WD Ultrastar DC HA340 WUS721208BLE6L4 Hard Drive Data Centre 8 TB Internal 3.5 Inch SATA 6Gb/s 7200 RPM Buffer: 256 MB Buy
£50.65£202.584 TBSSD3.5"New
Western Digital Blue WD40EZAZ 4TB SATA 6Gb/s 3.5" Hard Drive WD Blue,Solid State Hard Drive Buy
£50.83£305.006 TBHDD3.5"New
Toshiba 6TB N300 Internal Hard Drive – NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG460UZSVA) Buy
£51.58 £206.33+6.5% 24h4 TBHDD3.5"New
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6Gb/s, CMR, 128MB Cache Buy
£53.33£320.006 TBHDD3.5"New
Toshiba N300 6TB Internal NAS Hard Drive, 3.5’’ SATA HDD, 7200 RPM, 24/7 Operation, Supports 1-8 bay systems, 128MB Cache, 180TB/Year workload, 3yr Warranty (HDEX01SZNA51F). Buy
£53.68 £161.04-10.5% 24h3 TBHDD3.5"New
WD Purple 3TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 256MB Cache, 3 Year Warranty Buy
£54.27£217.064 TBHDD3.5"New
Seagate IronWolf Pro 4 TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 128 MB Cache for RAID Network Attached Storage, Data Recovery Rescue Service (ST4000NE0025) Buy
£54.67£328.006 TBHDD3.5"New
Seagate 6TB IronWolf Pro 3.5 inch 7200 RPM Internal Hard Drive for 1-16 Bay NAS Systems (256MB Cache, 300TB/Year Workload Rate, up to 214MB/s) - Silver Buy
£54.74£218.974 TBHDD3.5"New
Western Digital WD40EFZX WD Red Plus 4TB SATA 6Gb/s 3.5" HDD Buy
£54.75£164.243 TBHDD3.5"New
WD Purple 3.5"" SATA 6Gb/s 3TB 5400rpm HDD Buy
£54.75£328.496 TBHDD3.5"New
WD Red 6TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD60EFAX Buy
£54.96£329.756 TBHDD3.5"New
WD Red Pro 6TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache Buy
£54.98 £219.91+1.4% 24h4 TBHDD3.5"New
Toshiba N300 4TB Internal NAS Hard Drive, 3.5’’ SATA HDD, 7200 RPM, 24/7 Operation, Supports 1-8 bay systems, 128MB Cache, 180TB/Year workload, 3yr Warranty (MN10ADA400ES). Buy
£55.00£220.004 TBHDD3.5"New
WESTERN DIGITAL Purple WD43PURZ 4 TB Serial ATA III Hard Drive 5400 RPM Cache 256 MB 3.5 Inch Buy
£55.09 £165.26+68.4% 24h3 TBHDD3.5"New
Seagate BarraCuda 3 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 64 MB Cache for Computer Desktop PC (ST3000DM008) Buy
£56.18£224.734 TBHDD3.5"New
Seagate IronWolf Pro, 4 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (ST4000NE001) Buy
£56.24£674.9012 TBHDD3.5"New
Seagate Exos 12 TB Internal Hard Drive Enterprise HDD – 3.5 Inch 6 Gb/s 7200 RPM 128 MB Cache for Enterprise, Data Centre (ST12000NM0007) Buy
£58.96 £589.59+6.2% 24h10 TBHDD3.5"New
Toshiba N300 10TB Internal NAS Hard Drive, 3.5’’ SATA HDD, 7200 RPM, 24/7 Operation, Supports 1-8 bay systems, 128MB Cache, 180TB/Year workload, 3yr Warranty (HDEX01QZNA51F). Buy
£59.18£236.704 TBHDD3.5"New
Synology HAT3300 4TB Plus Series SATA HDD 3.5" (HAT3300-4T) Buy
£59.62£238.464 TBHDD3.5"New
Toshiba 4TB MG Series Enterprise 3.5" SATA Internal Hard Drive. Mainstream server and storage, Hyperscale and cloud storage, 6 Gbit/s, 7200 RPM, 5Yr Warranty (MG04ACA400E). Buy
£59.75 £119.50-13.0% 24h2 TBHDD3.5"New
Seagate BarraCuda 2 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256 MB Cache 3.5 Inch – Frustration Free Packaging (ST2000DM008) Buy
£60.30£1,206.0620 TBHDD3.5"New
WD Red Pro 20TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy
£60.50£120.992 TBHDD3.5"New
WD Blue 2TB 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty Buy
£61.44 £614.37-17.0% 24h10 TBHDD3.5"New
Seagate ST10000VN0004 HDD Internal 10 TB IronWolf SATA 3.5 Computer Hard Disk Drive - Silver Buy
£63.36£190.093 TBHDD3.5"New
Seagate IronWolf, 3TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5,900 RPM, 64MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST3000VN007) Buy
£64.25£2,055.9932 TB3.5"New
Seagate 8.9 cm (3.5") 32TB SATA3 IronWolf Pro 7200 512MB Buy
£65.98£32.99500 GBHDD3.5"New
Western Digital AV-GP 3.5 inch 500GB Intellipower RPM Internal Hard DriveUsed £21.99 · £43.98/TB Buy
£65.98£32.99500 GBHDD3.5"New
Western Digital WD5000AVDS AV 500GB Internal Hard Drive 8.9 cm (3.5 Inches) 7200 rpm 32 MB Cache SATA-IIUsed £21.99 · £43.98/TB Buy
£66.26 £265.02+15.2% 24h4 TBHDD3.5"New
WD Red Pro 4TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 256MB Cache Buy
£66.50£132.992 TBHDD3.5"New
WD Red Plus 2TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6 Gb/s, CMR, 64MB Cache Buy
£69.24£553.908 TB3.5"New
Seagate IronWolf Pro ST8000NE001 8TB Internal 3.5" SATA 6Gb/s 7200rpm - 256MB - With 2 Years Rescue Data Recovery Service PlanUsed £299.00 · £37.38/TB Buy
£69.73£278.904 TBHDD3.5"New
Seagate IronWolf, 4 TB, NAS, Internal Hard Drive, CMR 3.5 Inch, SATA, 6GB/s, 5,900 RPM, 64MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST4000VN008) Buy
£69.73£278.904 TBHDD3.5"New
Seagate IronWolf ST4000VN008 - HDD - 4TB - Internal - 3.5" - SATA 6Gb/s - 5900 RPM - Buffer: 64MB Buy
£69.74£418.436 TBHDD3.5"Renewed
Seagate Exos 7E8 6TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST6000NM0115) (Renewed) Buy
£70.00£35.00500 GBHDD3.5"New
Toshiba 500GB SATA 2.5" SATA Hard Drive 500GB 63.5mm 2.5" Buy
£70.00£70.001 TBHDD3.5"New
Seagate ST1000DM003 Barracuda 1000 GB 3.5 Serial ATA HDD Hard DriveUsed £49.99 · £49.99/TB Buy
£70.00£140.002 TBHDD3.5"New
Seagate IronWolf Pro, 2 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage, 3 year Rescue Services (ST2000NT001) Buy
£70.83 £566.62+13.1% 24h8 TBHDD3.5"New
Seagate IronWolf 8 TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256 MB Cache for RAID Network Attached Storage (ST8000VN0022) Buy
£71.71£143.412 TBHDD3.5"New
Seagate BarraCuda 2 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 64 MB Cache for Computer Desktop PC Laptop (ST2000DM008) Buy
£72.28 £289.10-0.9% 24h4 TBHDD3.5"New
WD Blue 4TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty Buy
£72.50 £724.99-2.1% 24h10 TBHDD3.5"New
Seagate IronWolf, 10 TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST10000VN0004) Buy
£72.65£435.916 TBHDD3.5"New
Seagate BarraCuda Pro 6 TB Internal Hard Drive Performance HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256 MB Cache for Computer Desktop PC Laptop, Data Recovery – Frustration Free Packaging (ST6000DM004) Buy
£74.09£740.9010 TBHDD3.5"New
Seagate ST10000VN0004 - HDD Int 10TB IronWolf SATA 3.5 Buy
£74.32£1,486.3720 TBHDD3.5"New
Seagate Technology Exos X20, 20TB, 3.5-Inch SATA Hard Drive at 6GB/s, 7,200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Cache (ST20000NM007D), Green Buy
£74.50£149.002 TBHDD3.5"New
Seagate Skyhawk 2 TB, Video Internal Hard HDD – 3.5", SATA 6Gb/s, 256MB Cache, for DVR NVR Security Camera System, with in-house Rescue Services (ST2000VX017) Buy
£75.00£75.001 TBHDD3.5"New
Seagate Barracuda ST1000DM003, 1TB SATA 3.5" Internal Hard Disk Drive - (6Gb/s, 7200rpm, 64MB Cache)Used £49.99 · £49.99/TB Buy
£75.87 £151.74-35.3% 24h2 TBHDD3.5"New
Seagate Exos 7E2 2 TB Internal Hard Drive HDD – 3.5 Inch 6 Gb/s 7200 RPM 128 MB Cache for Enterprise, Data Centre (ST2000NM0008) Buy
£76.08 £152.16-4.5% 24h2 TBHDD3.5"New
Toshiba 2TB S300 Surveillance HDD - 3.5' SATA Internal Hard Drive Supports up to 64 HD cameras at a 180TB/Year workload (HDWT720UZSVA) Buy
£76.46 £152.91-2.3% 24h2 TBHDD3.5"New
WD Purple 2TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 64MB Cache, 3 Year WarrantyWarehouse £109.85 · £54.93/TB Buy
£77.06 £154.11-15.7% 24h2 TBHDD3.5"New
Seagate IronWolf, 2TB, Enterprise Internal NAS HDD – CMR 3.5 Inch, SATA 6 Gb/s, 5900 RPM, 256 MB Cache for RAID NAS, Rescue Services (ST2000NT003) Buy
£77.43£154.852 TBHDD3.5"New
WD Red Plus 2TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 64MB Cache Buy
£80.00£159.992 TBHDD3.5"New
Seagate IronWolf 2TB 256MB 3.5" SATA 6Gb/s Internal CMR NAS Hard Drive Buy
£80.50£1,126.9914 TBHDD3.5"New
Toshiba N300 14TB Internal NAS Hard Drive, 3.5’’ SATA HDD, 7200 RPM, 24/7 Operation, Supports 1-8 bay systems, 128MB Cache, 180TB/Year workload, 3yr Warranty (HDEXZ12ZNA51F). Buy
£83.00£83.001 TBHDD3.5"New
WD Blue 1TB 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64MB Cache, 2 Year WarrantyUsed £69.95 · £69.95/TB Buy
£84.36£674.908 TBHDD3.5"New
Seagate IronWolf Pro 8 TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256 MB Cache for RAID Network Attached Storage, Data Recovery Service (ST8000NE0004) Buy
£84.92£1,019.0012 TBHDD3.5"New
Seagate IronWolf SATA III 3.5" Internal NAS Hard Drive - 12TB, 2-Pack Buy
£85.00 £340.00+45.4% 24h4 TBHDD3.5"New
Seagate FireCuda HDD 4TB, Internal Hard Drive HDD, 3.5 Inch, CMR, SATA, 6 Gb/s, 7.200 RPM, 256MB Cache 300TB/year, Data Rescue Services (ST4000DXZ05) Buy
£85.39£512.366 TBHDD3.5"New
Seagate IronWolf 6TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST6000VN0033) Buy
£87.50£175.002 TBHDD3.5"New
Western Digital HDD Red Plus 2TB 3.5 SATA 6GB/s 64MB Buy
£87.99 £175.97+46.6% 24h2 TBHDD3.5"New
Seagate SkyHawk, 2 TB, Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 64 MB Cache for DVR NVR Security Camera System, and Three-year Rescue Services (ST2000VX008) Buy
£89.00 £44.50-20.8% 24h500 GBHDD3.5"New
Seagate Barracuda (ST500DM009) 3.5" 500GB Internal Hard Disk Drive (SATA 6Gb/s, 7200 rpm, 32MB Cache)Used £29.99 · £59.98/TB Buy
£89.56£1,074.7412 TBHDD3.5"New
WD Red Plus 12TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6Gb/s, CMR, 256MB Cache Buy
£90.62 £181.23-0.1% 24h2 TBHDD3.5"New
WD Red 2TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD20EFRX Buy
£94.00£94.001 TBHDD3.5"New
Seagate BarraCuda 1 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 64 MB Cache for Computer Desktop PC (ST1000DM010)Used £74.99 · £74.99/TB Buy
£94.04£752.288 TBHDD3.5"New
Toshiba Enterprise HDD 8TB 3.5" SATA Buy
£104.19£104.191 TBHDD3.5"New
Seagate 3.5 Inch 1 TB Exos E-Class Enterprise SATA Internal Hard Disk Drive - Silver Buy
£110.26 £110.26-5.7% 24h1 TBHDD3.5"New
Seagate ST1000DM010 Barracuda - Hard drive - 1 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 64 MB - (Components > Internal Hard Drives) Buy
£111.01£111.011 TBHDD3.5"New
Seagate Skyhawk 1 TB, Video Internal Hard HDD – 3.5", SATA 6Gb/s, 256MB Cache, for DVR NVR Security Camera System, with in-house Rescue Services, FFp (ST1000VX013) Buy
£112.99£112.991 TBHDD3.5"New
Seagate 1 TB 3.5-Inch SkyHawk Internal Hard Drive for 1-64 Camera Surveillance Systems - Silver Buy
£120.00£120.001 TBHDD3.5"New
Western Digital Purple 1TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 180TB/yr, 64MB Cache, 5400rpm - WD10PURZ Buy
£134.65 £134.65-2.4% 24h1 TBHDD3.5"New
Seagate IronWolf, 1TB, NAS, Internal Hard Drive, CMR 3.5 Inch, SATA, 6GB/s, 5,900 RPM, 64MB Cache, for RAID Network Attached Storage, 3 year Rescue Services (ST1000VN002) Buy
£135.95 £135.95-13.5% 24h1 TBHDD3.5"New
Seagate 1 TB Exos 7E2 3.5 Inch Enterprise Class Internal Hard Drive (7200 RPM, 128 MB Cache, SATA 6 Gb/s, Up to 194 MB/s, Model: ST1000NMZ008/NM0008) Buy
£233.06 £233.06+4.2% 24h1 TBNVMe SSD3.5"New
Samsung 980 1 TB PCIe 3.0 (up to 3.500 MB/s) NVMe M.2 Internal Solid State Drive (SSD) (MZ-V8V1T0BW) Buy
£755.59£755.591 TBHDD3.5"New
Seagate Exos 7E2 1TB Internal Hard Drive Enterprise HDD – 3.5 Inch 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST10000NMZ086) Buy