Seagate 4TB 3.5” SATA3 HDD-T4000-ST4000NM002A Internal Enterprise Hard Drive
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics
Hard Disk Sata 3 Interface 1tb 2tb 3tb 4tb Brand Desktop Pc 3.5" Internal Mechanical Hard Disk Sata 6gb/s Hdd 7200 Rpm (used) - Hard Disk Drive - AliExpress
Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB | Fast Server Corp. www.srvfast.com
Toshiba 4TB 3.5" SATA 6Gb/s 7200 RPM 128M Enterprise Hard Drive – MITXPC
4TB 7.2K RPM SAS 3.5" Dell Hard Drive
Amazon.com: WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FAEX : Electronics