Freecom 31649, ToughDrive Sport. Hard drive capacity: 320 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. Colour of product: Black. Weight: 0.26 kg, Width: 155 mm, Depth: 21 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -20 - 70 °C, Operating shock: 300 G. Cables included: USB