Hitachi Ultrastar A7K2000 500GB, Ultrastar. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: Serial ATA. Power consumption (standby): 3.9 W. Weight: 0.68 kg, Height: 26.1 mm, Width: 101.6 mm. Operating temperature range (T-T): 5 - 60 °C, Storage temperature range (T-T): -40 - 70 °C, Operating shock: 70 G