Amazon.com: WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FAEX : Electronics
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
Amazon.com: Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive - MG04ACA400N : Electronics
Amazon.com: Seagate 4 TB 3.5" Internal Hard Drive : Electronics
Amazon.com: Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 : Electronics
Amazon Basics 2.5" External Hard Drive Enclosure, SATA III to USB Type-C for HDD/SSD - Tool Free Installation, Transparent Design, Supports UASP and up to 4TB : Amazon.in: Electronics
Amazon.com: Western Digital Se Wd4000F9Yz 4Tb 7200Rpm Sata3/Sata 60 Gb/S 64Mb 3.5" Enterprise Hard Drive : Electronics
Amazon.com: Seagate 4 TB Expansion Amazon Special Edition USB 3.0 Portable External Hard Drive for PC, Xbox One and Playstation 4 (STGX4000400) : Electronics
Amazon.com: HP 695842-001 4TB SAS Hard Drive Disk (HDD) - 7,200 RPM, 3.5-inch form factor, SmartDrive Carier (SC), Midline (MDL), 6Gb per second Transfer Rate (TR) : Electronics
![Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics](https://m.media-amazon.com/images/I/61UDbxdRV8L._AC_UF894,1000_QL80_.jpg "Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics")
Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics
Amazon.com: Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) : Electronics
Amazon.com: HGST Ultrastar 3.5-Inch 4TB 7200RPM SATA III 6Gbps 64MB Cache Enterprise Hard Drive with 24x7 Duty Cycle (0F14683) : Electronics
Amazon.com: Western Digital RE 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive (WD4000FYYZ) OEM : Electronics
Amazon.com: Seagate FireCuda HDD 4TB Internal Hard Drive HDD - 3.5 Inch CMR SATA 6Gb/s 7200RPM 256MB Cache 300TB/year with Rescue Services (ST4000DX005) : Electronics
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
Amazon.com: Seagate 4TB HDD 5.9K RPM 3.5" 6Gb/s SATA Hard Disk Drive Model: ST4000DM000 DP/N: VF3T3 : Electronics
Amazon.com: Toshiba 4TB HDD 7.2K RPM 3.5" 6Gb/s SATA Hard Disk Drive Model: MG04ACA400N DP/N: 4N6CY : Electronics
Amazon.com: Seagate BarraCuda Internal Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024) (Renewed),Mechanical Hard Disk : Electronics
Amazon.com: WD Blue 4TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD40EZRZ (Renewed) : Electronics
Amazon.com: SEAGATE Video HDD ST4000VM000 4TB 5900RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Hard Drive (Certified Refurbished)- w/1 Year Warranty : Electronics
Amazon.com: MDD (MDD4TSATA6472DVR) 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Surveillance Hard Drive - 3 Years Warranty : Electronics
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
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) : IronWolf NAS: Amazon.co.uk: Computers
