ADATA 640GB SH93. Hard drive capacity: 640 GB, Hard drive interface: USB 2.0, Hard drive size: 63.5 mm (2.5 "). Colour of product: Black, Yellow. Weight: 0.24 kg, Width: 97 mm, Depth: 129 mm. Data transfer rate (max): 480 Mbit/s, Material: Rubber, Drive device, transfer rate: 30 MB/s