Hitachi Travelstar, 500GB, Travelstar. Hard drive capacity: 500 GB, Hard drive size: 88.9 mm (3.5 "), Hard drive rotational speed: 7200 RPM. Power consumption (standby): 0.2 W, Power consumption (read): 1.8 W, Power consumption (write): 1.8 W. Width: 70 mm, Depth: 100 mm