Formac Disk XTR Raid Raven 1500GB. Hard drive capacity: 1500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0. Colour of product: Black. Weight: 1750 g. Operating temperature range (T-T): 10 - 35 °C, Operating relative humidity range: 20 - 80 %. Data transfer rate (max): 800 Mbit/s, Power requirements: 12V/5A, Drive device, transfer rate: 88 MB/s