ASUS Rampage IV Formula Socket 2011 Motherboard Intel X79 DDR3 ATX USB3.1
4 x DIMM, Max. Refer to ASUS official website for CPU support list. 1 x 8-pin ATX 12V Power connector(s). ATX Form Factor. ASUS Quiet Thermal Solution ASUS EPU ASUS Exclusive Features - ASUS Fan Xpert.