Processor / System Bus: 1 x Socket LGA1155 - Intel® Xeon® E3-1200 Processor Family, Intel® Core™ i3-2100 Processor Family, Intel® Core™ G8X0 Processor Family, Intel® Core™ G6X0 Processor Family Processor<br /> Core Logic: Intel® C204 Chipset<br /> Memory: Total Slots : 4 (2-channel),  Maximum up to 32GB UDIMM, "DDR3,1333/1066,UDIMM,with ECC"<br /> Expansion Slots: 3x PCI 32bit/33MHz, 1x PCI-E x8 (Gen2 X4 Link), 1x PCI-E x16 (Gen2 X8 Link), 1x PCI-E x16 (Gen2 X16 Link) *Auto switch to x8 link if PCI-E x16 (Gen2 X8 Link) is occupied, PIKE Slot for Storage expansion<br /> Form Factor: ATX, 12"x 9.6"" Inch<br /> ASUS Features: FAN speed control, Rack Ready (Rack and Pedestal dual use)<br /> Storage: 2 x SATA3 6Gb/s ports, 4 x SATA2 3Gb/s ports<br /> RAID: Intel® Rapid Storage Technology(RST) (For Windows Only) (Support Software RAID 0,1,5,10 ), LSI® MegaRAID (For Linux/Windows) (Support Software RAID 0,1,10)<br /> Networking: 4x Intel® 82574L<br /> Graphics: Aspeed AST2050 with 16MB VRAM<br /> I/O Ports: 2x External USB Port, 1x VGA Port, 4x RJ-45, 1x PS/2 KB/Mouse<br /> <br /> * Optional PIKE Card for SAS/SATA RAID (1068E, 1078, 6480, 2008, 2008/IMR, 2108)<br /> * Optional KVM-over-IP support (ASMB5-iKVM)