CPU socket 904, Support FM2 all serial CPU Chipset AMD A55 Memory 2 DIMM. 2 DDR3 duo-channel 1066MHz/1333MHz FSB 1066/1333MHz Expansion Slots 1 x PCIEx16 1 x PCI Storage 4 x SATA 2.0 3Gb/s port(s) 1 x HDMI LAN RTL8103E/8111E100/1000Mbps lan card Audio On board HD_AUDIO sound card,support 6 CH USB ports 8 x USB2.0 ports (4 ports at mid-board,4 ports at back panel) Back Panel I/O ports 1 x VGA 1 x PS/2 Keyboard 1 x PS/2 Mouse 1 x LAN(RJ45) port 4 x USB2.0 1 x COM/1 x DVI 3 Audio jacks Internal I/O Connectors 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)