LevelOne 4-Bay SATA NAS w/ Gigabit LAN. RAID levels: 0, 1, 5, 10. Power supply: 200 W, Power consumption (typical): 78 W. Operating relative humidity range: 10 - 85 %, Operating temperature range (T-T): 5 - 35 °C. Weight: 2.5 kg. Power requirements: 100-230V, 50-60Hz AC, Interface: SATA, Dimensions (WxDxH): 229.6 x 152.5 x 188.2 mm