One Intel® Xeon 3.06GHz Processor (1MB Level 2 ECC Cache), up to two supported, ServerWorks GC-LE chipset, supporting a 533MHz Front Side Bus, 1024 MB (Standard) to 12 GB (Maximum) of 2-way interleaved capable PC2100 DDR SDRAM running at 266MHz, with Advanced ECC capabilities, Integrated Lights-Out (iLO) Management (ASIC on motherboard) and the Integrated Dual Channel Wide Ultra3 SCSI Adapter, Support for up to eight 1" SCSI Hot Plug Drives (with the optional ML3xx Two Bay Hot Plug SCSI Drive Cage) , Six total slots available: 64-Bit/100MHz Non-Hot Plug PCI-X , 6 DIMM sockets for a maximum memory capacity of 12GB •