Cheapest 3.5" drives in the UK 2026 - Ranked by Price Per TB

£/TB	Price	Size	Tech	Form Factor	Condition	Description	Rating	Reviews
£55.50	£332.97-0.0% 24h	6 TB	HDD	3.5"	New	WD Red 6TB NAS 3.5 Inch Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 64 MB Cache - WD60EFRX Red WD60EFRX Buy	★★★★☆ 4.0	1,896
£55.66	£445.30-0.7% 24h	8 TB	HDD	3.5"	New	Seagate BarraCuda Pro 8TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256MB Cache for Computer Desktop PC - Amazon Exclusive - Frustration Free Packaging (ST8000DMZ004) Buy	★★★★☆ 4.4	448
£55.70	£1,002.58	18 TB	HDD	3.5"	New	Western Digital HDD Gold 18 TB SATA 512 MB 3.5 Inch Buy	★★★★☆ 4.4	2,243
£55.74	£557.42	10 TB	HDD	3.5"	New	WD Purple 10TB Surveillance 3.5 Inch SATA 6 Gb/s Hard Disk Drive with Allframe 4K Technology - 360TB/yr, 256MB Cache 7200rpm - WD102PURZ Buy	★★★★☆ 4.4	2,280
£56.00	£168.00+0.9% 24h	3 TB	HDD	3.5"	New	WD Red 3TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD30EFRX Buy	★★★★☆ 4.3	22,243
£56.25	£224.99	4 TB	HDD	3.5"	New	Seagate Exos 7E10 4TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 6GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST4000NM004B) Buy	★★★★½ 4.6	3
£56.44	£451.49	8 TB	HDD	3.5"	New	Toshiba MG Series 8TB Internal Enterprise Hard Drive, 3.5" SATA HDD, 7200 RPM, 24/7 Operation, For Server, Hyperscale, Cloud, 550TB/Year workload, 5yr Warranty (MG10ADA800E) Buy	★★★★☆ 4.0	10
£56.45	£56.45	1 TB	HDD	3.5"	New	Seagate ST91000640NS CONSTELLATION.2 1000 GB Internal Buy	★★★★☆ 4.3	75
£56.50	£225.99	4 TB	HDD	3.5"	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	★★★★☆ 4.3	283
£56.67	£1,360.14	24 TB	HDD	3.5"	New	WD Red Pro 24TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy	★★★★☆ 4.3	275
£56.73	£113.45	2 TB	HDD	3.5"	New	Seagate 2TB Internal Hard Drive - 3.5 Inch SATA 3Gb/s 7200RPM - Constellation ES ST32000644NS Buy	★★★★☆ 4.3	3
£56.94	£227.77	4 TB	HDD	3.5"	New	Western Digital WD RedPlus Internal HDD 4TB CMR 3.5 Inch SATA Cache 128MB 5400rpm NAS Compatible WD40EFZZ-AJP Eco Package Buy	★★★★☆ 4.0	68
£57.00	£113.99-27.0% 24h	2 TB	HDD	3.5"	New	WD Red Plus 2TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 64MB Cache Buy	★★★★½ 4.7	234
£57.00	£228.00	4 TB	HDD	3.5"	New	Western Digital WD Red WD40EFRX 4 TB Buy	★★★★½ 4.7	29
£57.07	£799.00	14 TB	HDD	3.5"	New	WD Red Pro 14TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy	★★★★☆ 4.0	1,821
£57.12	£571.24	10 TB	HDD	3.5"	New	Western Digital 10TB WD WD101PURP Purple Pro 7200RPM 256MB Buy	★★★★☆ 4.4	757
£57.25	£457.99	8 TB	HDD	3.5"	New	Western Digital Ultrastar DC HC320 (HUS728T8TALE6L4) SATA Enterprise HDD 7200 RPM, 8 TB Buy	★★★★☆ 4.2	503
£57.33	£344.00	6 TB	HDD	3.5"	New	Synology HAT3300 Plus Series 3.5" 6TB SATA Hard Drive (HAT3300-6T) Buy	★★★★½ 4.6	396
£57.40	£918.42	16 TB	HDD	3.5"	New	Toshiba N300 PRO 16TB Large-Sized Business NAS (up to 24 bays) 3.5-Inch Internal Hard Drive - Up to 300 TB/year Workload Rate CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWG51GXZSTB Buy	★★★★☆ 4.4	205
£57.47	£344.79	6 TB	HDD	3.5"	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	★★★★☆ 4.3	283
£57.50	£689.99	12 TB	HDD	3.5"	New	WD Purple Pro 12TB Smart Video 3.5" Internal Hard Drive, AllFrame Technology, 550TB/yr, 256MB Cache, 7200 RPM, 5 Year Warranty Buy	★★★★☆ 4.4	758
£57.50	£230.00	4 TB	HDD	3.5"	New	Western Digital WD Purple - HDD - 4 TB - SATA 6 Gb/s wd42purz Buy	★★★★½ 4.6	15
£57.50	£345.00	6 TB	HDD	3.5"	New	WD 6TB 3.5" Re 7200 RPM SATA III 128 MB Cache Bulk/OEM Enterprise Hard Drive (WD6001FSYZ) Buy	★★★★☆ 4.2	11
£57.50	£345.00	6 TB	HDD	3.5"	New	Western Digital Gold 6000GB Serial ATA III - internal hard drives (5-60 °C, -40-70 °C, Serial ATA III, HDD) Buy	★★★★☆ 4.3	112
£57.67	£173.01+3.3% 24h	3 TB	HDD	3.5"	New	MaxDigital 3TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Storage) 3.5inch Internal Hard Drive Buy	★★★★★ 5.0	1
£57.98	£28.99	500 GB	HDD	3.5"	New	Generic 3.5" SATA Desktop Hard Drive for PC, Mac, CCTV DVR, NAS, RAID (500GB) Buy	★★★★☆ 4.3	142
£57.98	£28.99	500 GB	HDD	3.5"	New	SANSCO 500GB 3.5" SATA Desktop Hard Drive for PC/Surveillance Storage CCTV Camera CCTV System DVR Buy	★★★★½ 4.9	15
£58.07	£1,509.83-0.2% 24h	26 TB	HDD	3.5"	New	Western Digital 26TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD261KRYZ Buy	★★★★☆ 4.2	53
£58.30	£816.18	14 TB	HDD	3.5"	New	WD Purple Pro 14TB Surveillance Hard Drive Buy	★★★★☆ 4.2	57
£58.33	£175.00	3 TB	HDD	3.5"	New	Seagate SkyHawk 3 TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 256 MB Cache for DVR NVR Security Camera System with Drive Health Management (ST3000VX010) Buy	★★★★☆ 4.2	816
£58.33	£350.00	6 TB	HDD	3.5"	New	Western Digital Ultrastar DC HC310 (HUS726T6TALE6L4) SATA Enterprise HDD 7200 RPM, 6 TB Buy	★★★★☆ 4.0	623
£58.50	£351.00	6 TB	HDD	3.5"	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	★★★★☆ 4.2	204
£59.51	£476.09	8 TB	HDD	3.5"	New	Seagate FireCuda HDD, 8 TB, Internal Hard Drive HDD - 3.5 Inch CMR SATA 6 Gb/s 7,200 RPM 256 MB Cache 300 TB/year, 3 year Rescue Services (ST8000DXA01) Buy	★★★★☆ 4.4	201
£59.76	£179.28-0.1% 24h	3 TB	HDD	3.5"	New	WD 3 TB 3.5-inch Internal SATA Surveillance Storage Hard Drive - Purple Buy	★★★★☆ 4.4	663
£59.88	£119.75	2 TB	HDD	3.5"	New	Dell ST2000DM001 2TB 7.2K SATA Hard Drive Buy	★★★★☆ 4.0	61
£59.98	£29.99	500 GB	HDD	3.5"	New	500GB SATA 3.5 inch Internal Hard Drive - 1 Year Warranty (WD/SEAGATE/HITACHI ANY ONE)Used £21.99 · £43.98/TB Buy	★★★★☆ 4.3	681
£60.00	£119.99	2 TB	HDD	3.5"	New	WD 2TB Desktop SATA Hard Drive - OEM Buy	★★★★☆ 4.2	314
£60.00	£239.99-7.8% 24h	4 TB	HDD	3.5"	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	★★★★½ 4.5	408
£60.00	£179.99	3 TB	HDD	3.5"	New	WD Purple 3TB Surveillance 3.5" Internal Hard Drive, AllFrame Technology, 180BT/yr, 256MB Cache, 3 Year Warranty Buy	★★★★☆ 4.4	3,029
£60.00	£120.00	2 TB	HDD	3.5"	New	Seagate Desktop 3.5 inch 2TB 7200 RPM 64MB 6GB/S Internal SATA Drive Buy	★★★★☆ 4.2	10,006
£60.19	£1,324.27	22 TB	HDD	3.5"	New	Western Digital WD 22TB WD221KRYZ Gold 7200 SA3 Buy	★★★★☆ 4.1	47
£60.36	£603.57-0.0% 24h	10 TB	HDD	3.5"	New	Seagate Exos 7E10 10TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST10000NM003B) Buy	★★★★★ 5.0	1
£60.42	£241.69	4 TB	HDD	3.5"	New	Western Digital WD Blue Internal HDD 4TB CMR 3.5 Inch SATA Cache 128MB 5400rpm WD40EZZX-AJP Eco Package Buy	★★★★☆ 4.1	44
£60.50	£242.00	4 TB	HDD	3.5"	New	WD Red Pro 4 TB NAS Hard Drive Buy	★★★★☆ 4.2	72
£60.62	£181.87-0.0% 24h	3 TB	HDD	3.5"	New	Seagate 3 TB 3.5-Inch Constellation ES.3 SATA Internal Hard Drive - Black Buy	★★★★☆ 4.1	71
£60.74	£607.42-0.5% 24h	10 TB	HDD	3.5"	New	Seagate ST10000VN0004 HDD Internal 10 TB IronWolf SATA 3.5 Computer Hard Disk Drive - Silver Buy	★★★★☆ 4.2	371
£61.00	£121.99	2 TB	HDD	3.5"	New	WD Blue 2TB 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty Buy	★★★★½ 4.6	57,577
£61.25	£245.00	4 TB	HDD	3.5"	New	Western Digital HDD Desk Red Pro 4TB 3.5 SATA 128MB Serial ATA III Buy	★★★★½ 4.8	7
£61.25	£245.00	4 TB	HDD	3.5"	New	WESTERN DIGITAL HDD WD NAS 3.5'' 4TB 7200RPM 256MB SATA3 RED PRO Buy	★★★★★ 5.0	4
£61.67	£370.00	6 TB	HDD	3.5"	New	Western Digital WD60EFRX 6TB SATA 64MB 3.5" HD Red Buy	★★★★☆ 4.2	33
£61.80	£988.87	16 TB	HDD	3.5"	New	Seagate IronWolf NAS SATA 6Gb/s NCQ 64MB Cache1 16TB Buy	★★★★☆ 4.2	149
£61.88	£247.50	4 TB	HDD	3.5"	New	Seagate Enterprise Capacity HDD V.4 ST4000NM0034 4 TB 3.5-Inch SAS 12Gb/s Internal Hard Drive Buy	★★★★☆ 4.0	1
£62.00	£186.00	3 TB	HDD	3.5"	New	Western Digital WD30PURX - WD Purple 3TB 24x7 - Warranty: 3Y Buy	★★★★☆ 4.4	2
£62.27	£249.09	4 TB	HDD	3.5"	New	WD Red Plus 4TB NAS Hard Drive Buy	★★★★☆ 4.4	143
£62.34	£623.42	10 TB	HDD	3.5"	New	WD Red Pro 10TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy	★★★★☆ 4.0	1,821
£62.35	£374.07	6 TB	HDD	3.5"	New	Synology HAT3300-6T [6TB 3.5" SATA 5,400 RPM/NAS Grade HDD (MTTF1 Million Hours) / 3 Year Warranty] Domestic Authorized Dealer Field Lake Product Buy	★★★★½ 4.5	182
£62.39	£499.09	8 TB	HDD	3.5"	New	WD Red 8TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD80EFAX Buy	★★★★☆ 4.3	22,243
£62.48	£874.68	14 TB	HDD	3.5"	New	Western Digital HDD Gold 14 TB SATA 512 MB 3.5 Inch Buy	★★★★☆ 4.4	2,243
£62.49	£249.95	4 TB	HDD	3.5"	New	WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch Buy	★★★★☆ 4.1	508
£62.50	£125.00	2 TB	HDD	3.5"	New	Seagate ST2000DM008 Internal Hard Drive – 2 TB – silver, Mechanical Hard Disk Buy	★★★★½ 4.6	11,087
£62.50	£500.00	8 TB	HDD	3.5"	New	Toshiba N300 8TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 GB/s 7200 RPM 256 MB Cache - HDWG180XZSTA Buy	★★★★☆ 4.4	307
£62.50	£249.98	4 TB	HDD	3.5"	New	Toshiba N300 4TB NAS Internal Hard Drive for NAS Systems Buy	★★★★☆ 4.3	731
£62.74	£125.47	2 TB	HDD	3.5"	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	★★★★½ 4.6	3,833
£63.00	£126.00	2 TB	HDD	3.5"	New	WD 2TB 3.5-inch Enterprise RE SAS Hard Drive Buy	★★★★☆ 4.3	5
£63.00	£252.00-8.0% 24h	4 TB	HDD	3.5"	New	Seagate IronWolf ST4000VN008 - HDD - 4TB - Internal - 3.5" - SATA 6Gb/s - 5900 RPM - Buffer: 64MB Buy	★★★★½ 4.8	6
£63.05	£126.10	2 TB	HDD	3.5"	New	Seagate ST2000DL003 Barracuda Green 3.5-inch 2TB SATA 6 Gb/s Drive (64MB Buffer,5900RPM) Buy	★★★★☆ 4.0	311
£63.17	£379.00	6 TB	HDD	3.5"	New	Toshiba 6TB N300 Internal Hard Drive â€“ NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG460UZSVA) Buy	★★★★☆ 4.3	1,470
£63.33	£190.00	3 TB	HDD	3.5"	New	WD Red Pro 3TB NAS 3.5-inch Desktop Hard Drive for 1-16 NAS Buy	★★★★☆ 4.1	51
£63.67	£191.00	3 TB	HDD	3.5"	New	Western Digital WD30EFRX - 3TB 3.5 inch NAS SATA3-6Gb/s Red HDD - OEM Buy	★★★★★ 5.0	1
£64.00	£127.99	2 TB	HDD	3.5"	New	WD Red Plus 2TB NAS 3.5" Internal Hard Drive - 5400 RPM, SATA 6 Gb/s, CMR, 64MB Cache100+ bought last month Buy	★★★★½ 4.5	500
£64.00	£128.00	2 TB	HDD	3.5"	New	Western Digital 2TB 3.5" HDD SATA III - 6Gb/s, 5400 RPM, 64MB Cache Buy	★★★★☆ 4.2	233
£64.50	£129.00	2 TB	HDD	3.5"	New	WD Blue 2TB Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch Buy	★★★★½ 4.5	5,668
£64.67	£194.00	3 TB	HDD	3.5"	New	Western Digital 3TB WD WD30EZAZ Blue 5400RPM 256MB Buy	★★★★☆ 4.4	6,177
£64.91	£519.30	8 TB	HDD	3.5"	New	WD Blue 8TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 128MB Cache, 2 Year Warranty Buy	★★★★½ 4.5	793
£65.00	£65.00	1 TB	HDD	3.5"	New	Toshiba MK-1001-TRKB 1TB Enterprise SAS-D 6GB/s Near Line 7200rpm 3.5 Inch Internal Hard Drive★ Buy	★★★★☆ 4.3	3
£65.00	£195.00-2.5% 24h	3 TB	HDD	3.5"	New	WD 3 TB for NAS 3.5-inch Desktop Hard Drive (Frustration Free Packaging) - Red Buy	★★★★☆ 4.1	186
£65.11	£520.90	8 TB	HDD	3.5"	New	Seagate ST8000VN0022 Ironwolf Buy	★★★★☆ 4.0	63
£65.30	£261.21+18.7% 24h	4 TB	HDD	3.5"	New	WD Blue 4TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty Buy	★★★★½ 4.6	57,577
£65.42	£785.00	12 TB	HDD	3.5"	New	WD Red Pro 12TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR Recording Technology, 512MB Cache Buy	★★★★☆ 4.4	1,805
£65.46	£130.92	2 TB	HDD	3.5"	New	Seagate Barracuda ST2000DM008 Hard Drive 3.5" 2000 GB Serial ATA III Buy	★★★★☆ 4.1	70
£65.75	£131.49	2 TB	HDD	3.5"	New	WD Red WD20EFRX 24/7 NAS 3.5" SATA III up to 7200RPM 64MB 2TB Hard Drive Buy	★★★★☆ 4.0	10
£66.00	£132.00	2 TB	HDD	3.5"	New	Seagate ST2000VX000 2 TB SV35 3.5-Inch Hard Drive - Black Buy	★★★★☆ 4.1	140
£66.00	£33.00	500 GB	HDD	3.5"	New	Western Digital RE3 500GB Enterprise SATA II 7200RPM 3.5 inch Internal Hard Drive OEM Buy	★★★★☆ 4.3	78
£66.16	£198.49	3 TB	HDD	3.5"	New	WD Red 3TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD30EFAX Buy	★★★★½ 4.5	12,309
£66.24	£132.47-7.7% 24h	2 TB	HDD	3.5"	New	Toshiba 2TB S300 Surveillance HDD - 3.5' SATA Internal Hard Drive Supports up to 64 HD cameras at a 180TB/Year workload (HDWT720UZSVA)Used £109.00 · £54.50/TB Buy	★★★★½ 4.5	1,894
£66.33	£199.00	3 TB	HDD	3.5"	New	Western Digital Red HDD 3000GB Serial ATA III internal hard drive Red, 3.5", 3000 GB, 5400 RPM, Serial ATA III, 64 MB, HDD Buy	★★★★☆ 4.2	563
£66.42	£398.49	6 TB	HDD	3.5"	New	WD Red 6TB 3.5 Inch NAS Internal Hard Drive - 5400 RPM - WD60EFAX Buy	★★★★½ 4.5	12,309
£66.68	£1,333.64+10.0% 24h	20 TB	HDD	3.5"	New	Western Digital 20TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD203KRYZ Buy	★★★★☆ 4.0	15
£67.02	£134.04	2 TB	HDD	3.5"	New	Seagate 2TB BarraCuda Internal Hard Drive \| SATA 6 Gb/s (ST2000DMZ08) Buy	★★★★½ 4.7	74,003
£67.06	£670.62-1.1% 24h	10 TB	HDD	3.5"	New	Western Digital Gold Enterprise Class 10TB 3.5" Enterprise SATA HDD/Hard Drive Buy	★★★★☆ 4.4	7
£67.07	£134.14-20.7% 24h	2 TB	HDD	3.5"	New	WD AV-GP Enterprise 2 TB 3.5-inch SATA Internal Hard Drive Buy	★★★★☆ 4.2	1,278
£67.08	£268.32	4 TB	HDD	3.5"	New	Seagate IronWolf 4TB Internal Hard Drive, NAS HDD, 3.5 Inch, 5400 RPM, CMR, 256 MB Cache, SATA 6GB/s, Silver, Includes 3 Year Rescue Service, FFP, Model No.: ST4000VN006 Buy	★★★★☆ 4.2	21
£67.32	£269.26	4 TB	HDD	3.5"	New	TOSHIBA EUROPE P300 4TB SATA 5400 RPM 3.5inch Bulk Desktop PC HDD Buy	★★★★☆ 4.1	533
£67.33	£134.66	2 TB	HDD	3.5"	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	★★★★½ 4.6	2,458
£67.38	£1,617.21-0.0% 24h	24 TB	HDD	3.5"	New	Western Digital 24TB WD Gold Enterprise Class SATA Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD242KRYZ Buy	★★★★☆ 4.2	53
£67.40	£539.17-0.5% 24h	8 TB	HDD	3.5"	New	Seagate 3.5-Inch 8 TB SkyHawk Internal Hard Drive for 1-64 Camera Surveillance Systems - Silver Buy	★★★★☆ 4.4	124
£67.46	£134.92	2 TB	HDD	3.5"	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	★★★★☆ 4.4	1,326
£67.50	£135.00	2 TB	HDD	3.5"	New	Western Digital RE 2 TB Mission Critical Enterprise 3.5-Inch Datacentre Internal Hard Drive - Black Buy	★★★★☆ 4.4	16
£67.86	£101.79	1.5 TB	HDD	3.5"	New	Seagate - Hard Drive Ide Barracuda LP 5900.12 1 5tb Buy	★★★★★ 5.0	3
£68.37	£820.39	12 TB	HDD	3.5"	New	Western Digital HDD Gold 12 TB SATA 256 MB 3.5 Inch Buy	★★★★☆ 4.3	220

Cheapest 3.5" drives ranked by price per terabyte