Aluratek Tornado 2.5" USB 2.0 External SATA Hard Drive 250GB. Hard drive capacity: 250 GB, Hard drive rotational speed: 5400 RPM, Hard drive size: 63.5 mm (2.5 "). Weight: 180 g, Width: 127 mm, Depth: 13 mm. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 10 - 85 %. Cables included: 1 x 6" USB Type A - B Cable (1.8m). Material: Metal/Plastic, Supported data transfer rates: 480 Mbps