Intel G41 + ICH7 Chipsets Supports FSB1333/1066/800/533 MHz CPUs 1 x PCI Express x 16 slot 4 x SATAII 3.0 Gb/s connectors PCIE Gigabit LAN 10/100/1000 Mb/s Supports ASRock instant boot, instant flash, OC DNA Supports smart BIOS, ASRock OC tuner, intelligent energy saver Eu P ready 5.1 CH HD audio