ASUS Maximus IV Extreme -Z - LGA 1155 - Z68 - Republic of Gamer Series - ATX Intel Z68 ATX DDR3 2200 Motherboards SupremeFX X-Fi built-in 8-Ch. HD audio with EAX5.0 support ROG Connect / ROG iDirect - Easy and direct OC control at a pure hardware level Intel Z68 Chipset LGA 1155 socket supports 2nd Generation Intel Core i7/Core i5/Core i3 Processors Mem TweakIt -Real-time memory tuning without a system reboot LGA 1155 socket supports 2nd Generation Intel Core i7/Core i5/Core i3 Processors Intel Z68 Chipset Mem TweakIt -Real-time memory tuning without a system reboot ROG Connect / ROG iDirect - Easy and direct OC control at a pure hardware level SupremeFX X-Fi built-in 8-Ch. HD audio with EAX5.0 support Intel Smart Response Technology - Experience the Benefits of both SSD and HDD LucidLogix Virtu -Utilize both iGPU and Discrete graphic card at same time 2 x Intel Gigabit LAN