specifications : product name dx58so x58 atx s1366 3ch-ddr3 2-pcie 2.0 1-pci gbe product type desktop board form factor atx front panel interfaces 1 x on/off switch 1 x reset switch 1 x power led 1 x hdd led 1 x usb header 1 x firewire header 2 x audio header 1 x chassis intrusion switch 1 x s/pdif product model dx58so product series extreme packing box maximum memory 8gb back panel interfaces 1 x ieee 1394a firewire 8 x type a usb 2.0 usb 1 x rj-45 network 1 x hd-15 vga 1 x mini-phone audio line in 3 x mini-phone audio line out 1 x mini-phone microphone 1 x toslink s/pdif out total processor support 1 processor socket socket b processor technology enhanced speedstep technology memory technology ddr3 sdram expansion slots 1 x pci 2 x pci express x16 2 x pci express x1 1 x pci express x4 raid controller yes dimensions 12" width x 9.6" depth raid levels 0 0+1 1 5 memory standard ddr3-1600/pc3-12800 ddr3-1333/pc3-10600 ddr3-1066/pc3-8500 processor support core i7 core i7 extreme edition additional information bios: * intel bios resident in the spi flash device * support for advanced configuration and power interface (acpi), plug and play, and smbios