BIOSTAR G41-U3G Intel G41 chipset (Core 2 Quad) Dual Channel DDR3 800/1066/1333(OC) MHz, Max 8GB Memory VGA Intel GMA X4500 up to 1759MB & Sound 6 Channel, NIC 10/100/1000Mbps; 01 PCI Express x16; 4 SATA 3Gb/s; 1 IDE; 1 Floppy connector; 4 USB 2.0 + 2 USB 3.0; 800/1066/1333 FSB