CPUIntel ® 1366 Socket Core ™ i7 processor Extreme Edition / Core ™ i7 processor Intel ® CPUSupports dynamic speed TechnologyChipsetIntel ® X58 / ICH10RSystem BusUp to 6400 MT/sMemory6 S. Diem, Max. 24 GB, DDR3 2000 (OC) * / 1866 (OC) * / 1800 (OC) * / 1600 (OC) / 1333/1066 non-ECC memory is stored online memory * Party Diem (DDR3 1800MHz or above) is the support subject to the physical characteristics of the individual CPUs. ** Please refer to www.asus.com. Or guide for the memory QVL (qualified vendor lists.)