CnMemory 2.5" Zinc 750GB. Hard drive capacity: 750 GB, Hard drive interface: Serial ATA, Hard drive size: 63.5 mm (2.5 "). Data transfer rate: 5000 Mbit/s, USB data transfer rates: 5000 Mbit/s. Colour of product: Grey. Weight: 0.195 kg, Width: 123 mm, Depth: 75 mm