Seagate ST250DM000 3.5 inch 250GB Hard Drive (Serial-ATA, 6Gb/s, 16Mb, 7200RPM) : Amazon.co.uk: Computers & Accessories
Seagate 3.5'' 250gb Sata 3gb/s 7200rpm Internal Hdd Mechanical Hard Disk 16mb Buffer For Desktop Pc Computer Disco Duro Interno - Hard Disk Drive - AliExpress
Western Digital 250GB 2.5" SATA Hard Drive
USED Hard Disk, HITACHI, HDT722525DLA380, P/N:0A32552, Desktop, SATA, 250GB - DSMCZ
250GB HGST Travelstar, 5400RPM, 8MB, SATA II, 2.5" HDD