Hitachi Global Storage Technologies (HGST) C10K900, Ultrastar. Hard drive capacity: 600 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 10000 RPM. Weight: 204 g, Width: 70.1 mm, Depth: 100.6 mm. Operating temperature range (T-T): 5 - 55 °C, Storage temperature range (T-T): -40 - 70 °C