ioSafe 3TB SoloPRO. Hard drive capacity: 3072 GB, Hard drive interface: eSATA, USB 2.0, Hard drive size: 88.9 mm (3.5 "). Data transfer rate: 3000 Mbit/s, USB data transfer rates: 480 Mbit/s, eSATA data transfer rates: 3 Gbit/s. Colour of product: Black. Input voltage: 80-264 V, Input frequency: 50/60 Hz, Power consumption (typical): 25 W. Operating temperature range (T-T): 0 - 35 °C, Storage temperature range (T-T): 0 - 845 °C, Operating relative humidity range: 20 - 80 %