CPU support : Supports LGA775 CPU Supports FSB 533/800/1066/1333MHZ CPU Chipset : IntelG41+82801GB Supports GMAX4500 graphics Memory: 2 x 240-pin DDR3 SDRAM slots Memory up to 8GB Supports dual channel DDR3 1066/1333MHZ LAN: with 10/100Mbps LAN onboard Audio : with 6-channel HD Audio Codec onboard provides front audio interface provides front stereo mic interface Expansion slots : 1 x PCI Express x16 slot 1 x PCI 120-pin I/O connectors：1 x PS/2 keyboard port,1 x PS/2 mouse port 4 x USB,compatible with USB 2.0/1.1 FOR G41-P 6 x USB,compatible with USB 2.0/1.1 FOR G41-U 1 x VGA port 1 x RJ45 port 1 x 3-in-1 Audio port(line In/Line Out/MIC IN) Form factor：Micro-ATX architecture(17 x 22cm)