Buffalo TeraStation Pro II Network Hard Drive - 3TB. Hard drive capacity: 750 GB, RAID levels: 0, 1, 5, 10, Maximum capacity: 3 TB. Host interface: SATA. Operating temperature range (T-T): 0 - 35 °C. Weight: 7.3 kg. Power requirements: AC200-240V, 50/60, Interface: 2 X USB 2.0, Connector(s): RJ-45, USB-A