CnMemory Airy 500GB. Hard drive capacity: 500 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 3.0, USB 2.0, USB 1.1. Colour of product: Black, Silver. Input voltage: 5 V. Weight: 0.178 kg, Width: 77.5 mm, Depth: 122.5 mm. Certification: CE