description amd platinum 790gx am2+ atx phenom/athlon/sempron ht 3.0, 4xddr2 1066oc,drmos 2xpci-e16, 2xpci, 2xpci-e,ata100,esata,firewire model : dka790gx platinum motherboard form factor: atx form factor chipset: amd 790gx and sb750 chipset cpu : amd phenom/athlon/sempron cpu hypertransport 3.0 supporting speed up to 5200mt/s am2+ cpu supports hypertransport 3.0 mem : 4 x ddr2 dimms (240pin / 1.8v), max up to 8gb supports dual ddr2 667/800/1066 on-board ide: 1 x ide port, can connect up to 2 ide devices on-board sata: 5 x sata ii ports, 1 x esata port raid function: sata ii 1~5 supp raid 0, 1, 0+1, 5 or jbod mode by amd sb750 comm : realtek pci-e gblan controller 8111c integrated fast ethernet mac and phy in single chip supports 10mb/s, 100mb/s and 1000mb/s ieee1394/firewire: transfer rate is up to 400mbps audio: chipset integrated by realtek alc888 flexible 8-channel audio with jack sensing slots: 1 x mazarine pci express x16 slot with x16 operation 1 x light-blue pci express x16 slot with x8 operation 2 x pci express x1 slot, 2 x pci slots, supp 3.3v/5v pci bus i/face ports: 1 x ps/2 keyboard or mouse, 1 x 6 in 1 audio jack 6 x usb 2.0 ports, 1 x rj45 lan jack, 1 x optical spdif-out port 1 x ieee1394 port, 1 x dvi-d port, 1 x graphic card port, 1 x hdmi port mounting: 9 mounting holes; dim: 304 x 245 mm (lxw)