Captiva 500GB USB 3.0. Hard drive capacity: 500 GB, Hard drive interface: Serial ATA, USB 3.0, Hard drive size: 88.9 mm (3.5 "). Data transfer rate: 5000 Mbit/s, USB data transfer rates: 5000 Mbit/s. Colour of product: Black. Power consumption (standby): 1 W. Certification: ECO