ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16 iROG Motherboard ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24.5 cm) AMD Socket AM3; Phenom II/Athlon II/Sempron 100 Series Processors Supports 45nm CPU AMD Cool 'n' Quiet Technology Chipset AMD 790FX/SB750