Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : 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
HP - Smart Buy - 4 TB - SATA 6Gb/s - 7200 rpm - Hard drive
Amazon.com: Seagate 4TB Enterprise Capacity HDD 7200RPM SATA 6Gbps 128 MB Cache Internal Bare Drive (ST4000NM0033) (Renewed) : Electronics
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
9PR63 Dell 4TB 7200RPM 128MB SATA 6G 3.5" Hard Drive
ST4000NM0023 Seagate 4TB 3.5 inch SAS Server Enterprise Hard Drive
WD 4TB Desktop Performance 7200 rpm SATA III WDBSLA0040HNC-NRSN
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: Seagate 4TB IronWolf Pro 7200RPM SATA 6Gb/s 128MB Cache 3.5-Inch NAS Hard Disk Drive (ST4000NE0025) (Renewed) : Electronics
ST4000DM005 Seagate BarraCuda 4TB 7200RPM SATA Hard Drive
WD Black Enterprise 4TB SATA 3.5″ 7200rpm HDD WD4005FZBX – Impress Computers
Amazon.com: HGST Ultrastar 3.5-Inch 4TB 7200RPM SATA III 6Gbps 64MB Cache Enterprise Hard Drive with 24x7 Duty Cycle (0F14683) (Renewed) : Electronics
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Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
WD Black 4TB HDD-7200RPM | ProSoft
Seagate 4TB 3.5” SAS3 HDD-A4000-ST4000NM004A Internal Enterprise Hard Drive
Seagate Ironwolf Pro Nas 4tb Hard Disk Hdd 7200rpm 256mb Desktop Server Monitoring Hard Drive Array Pmr Vertical Hards - Smart Remote Control - AliExpress
Amazon.com: MDD (MDD4TSATA6472DVR) 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Surveillance Hard Drive - 3 Years Warranty : Electronics
ST4000DM004 Seagate Barracuda 4TB 7200RPM SATA 6Gbps 64MB Cache 3.5-inch Internal Hard Drive
Seagate IronWolf Pro 4TB NAS Hard Drive 7200 RPM 3.5" - Newegg.com
WD Black WD4005FZBX 4TB 3.5" SATA 7200rpm Internal Hard Drive - Walmart.com