Product | WD Ultrastar DC HC310 HUS726T4TALA6L4 - hard drive - 4 TB - SATA 6Gb/s
HP E 4TB 6G SATA 7.2K RPM LFF (3.5-INCH) SC MIDLINE 1YR Warranty Hard Drive 3.5" 4000 GB : Amazon.co.uk: Computers & Accessories
Western Digital Blue 4TB 3.5" Hard Drive Sata 6GB/s, 64MB Cache, WD40E — Epsilon PC
WD Blue 4TB 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256MB Cache, 2 Year Warranty : Amazon.co.uk: Computers & Accessories
Seagate 4TB 5400RPM SATA 6Gb/s 2.5'' Internal Laptop Hard Drive ST4000LM016 | eBay
WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch : Amazon.co.uk: Computers & Accessories
Seagate ST4000VN006 IronWolf 4TB SATA Hard Drive for NAS w/ 5400RPM 6Gb/s 256MB Cache, Two Pack
Western Digital Green WD40EZRX 4TB Internal SATA 3.5inch HardDrive : Amazon.co.uk: Computers & Accessories
HPE SUB REF) 4TB SATA 6G 7.2K LFF SCC 3.5" HDD P03714-B21 P03750-001 872293-002 | eBay
4TB 3.5" SATA HARD DRIVE HDD for Desktops PCs / CCTV / DVR LOT | eBay
WD Red Plus 4TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache, 3 Year Warranty : Amazon.co.uk: Computers & Accessories
KH21H Dell 4TB 7.2k SATA 3.5" 6Gbps Hard Drive
Western Digital Purple 4TB 64MBs 3.5 SATA HDD ErTech Security Systems
HP 4TB SATA 7.2k LFF 3.5 Inch Hard Drive 693687-B21 693720-001 | Intelligent Servers UK
WD_BLACK 4TB High Performance 3.5" Internal Hard Drive, 7200 RPM Class, SATA 6 GB/s, 256MB Cache, 5 Year Warranty : Amazon.co.uk: Computers & Accessories
Seagate SkyHawk Surveillance HDD ST4000VX013 - Hard drive - 4 TB - internal - SATA 6Gb/s - buffer: 256 MB,Blue,3.5" : Amazon.co.uk: Computers & Accessories
Seagate BarraCuda 4TB 3.5" SATA HDD/Hard Disk Drive
Seagate IronWolf Pro 4TB HDD optimal for NAS Usage
Western Digital Red 4TB SATA 5400RPM 3.5 Inch Internal Hard Drive - Laptops Direct
Seagate Barracuda 4TB SATA Internal Hard Drive HDD│ST4000LM024│5400RPM│Silver | eBay
K4T76AA HP 4TB SATA 7200 Hard, Central Computers (Midlands) Ltd
Dell 4TB 5.4K RPM SATA 512e 3.5in Hard Drive | Dell UK
