DELL POWERVAULT 200S SCSI RAID adds up to 584GB storage capacity Split backplane allows duplexing of drives 9GB, 18GB, 36GB, and 73GB (7,200 rpm or 10,000 rpm) Holds up to eight 1.6" Ultra-2/LVD or Ultra3 (Ultra160) SCSI drives Height 5.25 in (13.3 cm), Width 17.55 in (44.6 cm), Depth 17.0 in (43.2 cm) Weight (max configuration) 75.0 lb. (34.0 kg) Dual 340W power supply Triple redundant high capacity fans.