Wiebetech ToughTech FS Mini. Hard drive capacity: 500 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. USB data transfer rates: 12, 480 Mbit/s, FireWire data transfer rates: 400 Mbit/s, eSATA data transfer rates: 3 Gbit/s. Colour of product: Silver. Input voltage: 100-240 V. Height: 9.5 mm