Fujitsu MHX2250BT. Hard drive capacity: 250 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 4200 RPM. Power consumption (typical): 1.6 W, Power consumption (standby): 0.13 W. Weight: 135 g, Height: 12.5 mm, Width: 70 mm. Operating temperature range (T-T): 5 - 55 °C, Storage temperature range (T-T): -40 - 65 °C, Storage relative humidity range: 5 - 95 %