Extrememory 1TB USB 3.0. Hard drive capacity: 1000 GB, Hard drive interface: USB 3.0, Hard drive size: 63.5 mm (2.5 "). Data transfer rate: 5000 Mbit/s, USB data transfer rates: 5000 Mbit/s. Colour of product: Silver. Weight: 190 g, Width: 129 mm, Depth: 78 mm