Samsung 1TB M3 Portable. Hard drive capacity: 1000 GB, Hard drive interface: USB 3.0. Data transfer rate: 4800 Mbit/s. Colour of product: Black. Weight: 151 g, Width: 82 mm, Depth: 112 mm. Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -20 - 65 °C