Toshiba, N300, 4TB, NAS, 3.5 Inch, Internal Hard Drive, CMR, SATA 6 GB/s, 7200 RPM, 256 MB Cache, HDWG440XZSTA
Toshiba 16TB N300 Internal Hard Drive – NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG31GUZSVA) : Amazon.co.uk: Computers & Accessories