Cpu 4th generation intel core i7 core i5 core i3 pentium celeron processors for lga 1150 socket please refer to cpu support for compatible cpu the above description is for reference only chipset intel h81 express chipset main memory support two ddr3 dimms 106613331600 mhz with 22nm haswell processors up to 16gb max supports dual channel mode slots 1 x pcie 20 x16 slot on board sata sataiii controller integrated in intelreg h81 chipset up to 6gbs transfer speed