Promise Technology VTrak J310S. Total storage capacity: 0 GB, Hard drive capacity: 0 GB, Hard drive interface: SAS & SATA. Power requirements: 100-240 V, 50-60Hz, Power supply: 400 W, Power consumption (typical): 100.87 W. Weight: 26500 g. Operating relative humidity range: 0 - 95 %, Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -40 - 60 °C. Compatible operating systems: Win 2003 Linux Red Hat, SuSE