Buffalo 3TB DriveStation Velocity. Hard drive capacity: 3000 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: Serial ATA. Data transfer rate: 5000 Mbit/s, USB data transfer rates: 480, 5000 Mbit/s. Colour of product: Black. Input voltage: 100-240 V, Input frequency: 50/60 Hz, Power consumption (typical): 18 W. Weight: 950 g, Width: 39 mm, Depth: 189 mm