Apple Xserve RAID M9721, 1000GB, Xserve. Native capacity: 1000 GB, Hard drive capacity: 250 GB, Drive device, buffer size: 8 MB. Host interface: Fibre Channel. Power supply: 450 W, Power consumption (typical): 400 W. Operating relative humidity range: 5 - 95 %, Storage temperature range (T-T): -40 - 47 °C, Operating temperature range (T-T): 10 - 35 °C. Dimensions (WxDxH): 432 x 467 x 133 mm, Power supply type: UPS 2200VA, 120V, Networking features: Fast Ethernet