HGST Ultrastar He10 | HUH721010ALE600 | 0F27604 | 10TB SATA 6-Gbps 7.2K RPM 256MB 3.5" 512E ISE Hard Drive Capacity: 10TB for your data storage needsSATA 6Gb/s interface optimizes burst performanceSpindle Speed: 7.2K RPMForm Factor: 3.5 inch and Cache: 256MB