Iomega eGo Portable 500GB. Hard drive capacity: 500 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: 5000 Mbit/s. Colour of product: Red. Width: 122.9 mm, Depth: 86.4 mm, Height: 17 mm. Security algorithms supported: 256-bit AES