The Ultrastar 7200 rpm SATA III 3.5" Internal Enterprise Drive from HGST has a large 8TB capacity, ideal for disk-to-disk backup and archiving, RAID arrays, and Network Attached Storage (NAS). It connects to your system via SATA III, which provides you with transfer speeds of up to 6 Gb/s, and has a 7200 rpm spindle speed for quick access. Furthermore, it's equipped with Rotational Vibration Safeguard (RVS) sensor technology to prevent disk damage. This Ultrastar drive is reliable with a Mean Time Between Failure (MTBF) rating of 2.5 million hours.