Samsung S2 Portable 3.0, S Series. Hard drive capacity: 1000 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 3.0. Colour of product: Grey. Weight: 196 g, Width: 82 mm, Depth: 111 mm. Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -20 - 65 °C. Gross weight outer carton: 0.359 kg, Height outer carton: 38.5 mm, Length outer carton: 137 mm