Hard Drives
WD Blue 3TB Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch
IntelliPower format technology Quick data transfer speeds via Serial ATA connection Cache: 64 MB Capacity: 3 TB Compatibility : Windows 10. Windows 8.1, Windows 7, macOS High Sierra, Sierra El Capitan
https://www.bizrate.co.uk/harddrives/wd-blue-3tb-desktop-hard-oid6644899125.html