The SC933T-R760 3U Chassis supports a 12" x 13" (max.) Extended ATX motherboard and dual Xeon processors or a single Pentium 4 processor. It features a 760W triple-redundant AC power supply w/PFC, six PCI expansion slots, fifteen 1" SATA Hot-swap drives and a SATA Backplane w/ SAF-TE. Other features include a power switch and five LED indicators.