TOSHIBA X300 4TB 7.2K 128MB SATA III 3.5'' HDETR11GCA51 | eBay
Toshiba 4tb Hdd Mechanical Desktop Hard Disk Drive 3.5" 7000rpm Sata3 128mb Cache Hdwe140 4000gb Internal Hd High Capacity - Hard Disk Drive - AliExpress
Toshiba X300 Performance 4TB SATA 7200 RPM Desktop HDD
Toshiba 4TB N300 NAS 3.5'' SATA Internal Hard Drive. 24/7 Operation, Supports 1-8 bay systems, 128MB Cache, 180TB/Year workload, 3yr Warranty (HDWQ140UZSVA). : Amazon.co.uk: Computers & Accessories