6TB Seagate Barracuda 7200.14, 3.5" Internal HDD, SATA 6GB/s, 7200rpm, 128MB Cache, OEM
https://www.scan.co.uk/products/6tb-barracuda-720014-35-internal-hdd-sata-6gb-s-7200rpm-128mb-cache-oem
VS
6TB WD6001FZWX Black, Desktop Performance 3.5" HDD, SATA III - 6Gb/s, 7200rpm, 128MB Cache...