Acomdata E5 HybridDrive 2.5. Hard drive capacity: 120 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0. Colour of product: Silver. Weight: 177 g, Width: 74 mm, Depth: 123 mm. Operating temperature range (T-T): 5 - 40 °C, Operating relative humidity range: 8 - 90 %. Average latency: 5.5 ms, Full stroke seek: 21 ms, Material: Aluminium