Transcend StoreJet 25D2 (USB 2.0). Hard drive capacity: 1000 GB, Hard drive interface: Serial ATA, Hard drive size: 63.5 mm (2.5 "). Data transfer rate: 480 Mbit/s, USB data transfer rates: 12, 480 Mbit/s. Colour of product: Black. Input voltage: 5 V. Weight: 0.191 kg, Width: 82.1 mm, Depth: 17.3 mm