◇ Intel X48+ICH9R Chipset ◇ Support LGA 775 CPU ◇ Support FSB800/1066/1333/1600MHZ ◇ 2x DDR2 DIMMs，DDR2 667/800MHZ Dual Channel ◇ 4x DDR3 DIMMs，DDR2 800/1066/1333/1600MHZ Dual Channel ◇ 2x PCIs； 2x PCIE 2.0 X16;1x PCIE X16;1x PCIE X1 ◇ 12x USB2.0；8x Serial ATA 2,1x ESATA ;1x IDE ◇ 1x SPDIF(OPTICAL),2x 1394 ◇ Built-in Realtek ALC883 8 Channels HD-AUDIO (Optional) ◇ Built-in 2x Realtek RTL8111C 100~1000Mbps Network support two RJ45 port