HGST/WD 22TB SATA 3 6GB/s 512MB 7200 ULTRASTAR DC HC570 512e

WD Ultrastar drives by WD are a direct replacement for the proven WD GOLD drive and represent the highest level of reliability and performance. They are intended for the most demanding applications and the greatest loads in servers, NAS systems, data centers… Size: 3.5" Interface: SATA Transfer speed: 6Gb/s (Max) Capacity: 20TB Spin speed: 7200 Cache: 512MB additional : 2.5 million hours MTBF Online summary to the manufacturer