Cheap Western Digital HUS726T4TALA6L4 4TB 7.2K RPM SATA 6GBPS | New
Amazon.com: HGST Ultrastar 3.5-Inch 4TB 7200RPM SATA III 6Gbps 64MB Cache Enterprise Hard Drive with 24x7 Duty Cycle (0F14683) (Renewed) : Electronics
Hgst Desktop 4tb Hard Drive Disk 4000gb 4000g Hdd Internal Hd 3.5" 7200rpm 64m Sata3 Hds724040ale640 For Pc Computer Nas Dvr - Hard Disk Drive - AliExpress