ADATA CH94 Portable 750GB. Hard drive capacity: 750 GB, Hard drive interface: USB 2.0, Hard drive size: 63.5 mm (2.5 "). Colour of product: White. Weight: 172 g, Width: 87.5 mm, Depth: 130.88 mm. Data transfer rate (max): 480 Mbit/s, Material: Plastic