ASUS Crosshair III Formula AMD 790FX CrossFireX Socket AM3 ATX Motherboard w/Gigabit LAN & Creative SupremeFX X-Fi Sound Card ASUS Crosshair III Formula AMD 790FX CrossFireX Socket AM3 ATX Motherboard General Features: ATX form factor AMD 790FX + SB750 Socket AM3 architecture Supports HyperTransport 3.0 (up to 5200 MT/s) Dual channel memory architecture Supports up to 16 GB DDR3 1600(OC)/1333/1066 MHz memory Creative SupremeFX X-Fi PCI Express x1 audio card included