Sony 1TB 2.5" 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: 480, 5000 Mbit/s. Colour of product: Black. Power consumption (typical): 4.5 W. Weight: 230 g, Width: 80 mm, Depth: 126 mm