Acomdata RPH250U2E-72 Hard Drive - 250GB. Hard drive capacity: 250 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0. Colour of product: Black, Grey. Power consumption (typical): 0.114 W. Weight: 1 g, Width: 118 mm, Depth: 188 mm. Operating temperature range (T-T): 5 - 40 °C, Operating relative humidity range: 8 - 90 %