The ASUS P8P67 LE motherboard features the Intel P67 chipset supporting the 2nd Generation Intel Core? i7/Core? i5/Core? i3 Processors. ASUS offers this platform-leading solution with the exclusive Dual Intelligent Processors technology integrating the EPU (Energy Processing Unit) and TPU (TurboV Processing Unit) hardware based processors for the ultimate in energy savings and processor scaling. ASUS EPU conserves energy by intelligently moderating power and load requirements in real-time while TPU provides intelligent system scaling for incredible increases in platform performance while retaining stability. Rev 3