HGST Ultrastar 15K600, 450GB, Ultrastar. Hard drive capacity: 450 GB, Hard drive size: 88.9 mm (3.5 "), Hard drive rotational speed: 15000 RPM. Power consumption (typical): 16.6 W, Power consumption (idle): 10.7 W. Weight: 750 g, Height: 25.8 mm, Width: 101.6 mm. Operating temperature range (T-T): 5 - 55 °C, Storage temperature range (T-T): -40 - 70 °C, Operating shock: 30 G