Model ASUS M/B P6X58D-E CPU Socket CHIPSET INTEL X58 CPU Support SUPPORT NVIDIA 3 WAY SLI TECHNOLOGY FSB UP TO 6.4 GT/S; INTEL QUICKPATH INTERCONNECT Chipset INTEL X58/ICH10R BIOS Feature 16MB FLASH ROM , AMI BIOS , PNP, DMI2.0 Memory Support Memory Max. 24GB Storage INTEL ICH10R SOUTHBRIDGE Graphics na Expansion Slot 3X PCI EXPRESS 2.0 X 16 SLOTS Internal I/O Connector 2 X SATA 6.0 GB/S connectors/grey Back Panel I/O port 1 x PS/2 keyboard (purple) USB port USB 3.0 IEEE 1394 VIA VT6308P Controller supports 2 x IEEE 1394A Ports LAN GIHABIT LAN CONTROLLER Audio REALTEK ALC889 8-CHANNEL HIGH DEFINATION AUDIO Special Features Yes Form Factor ATX Form factor, 12 x 9.6 Warranty 3