Cpu supports new intel core i7 processor extreme edition for lga2011 3 socket please refer to cpu support for compatible cpu the above description is for reference only chipset intel x99 express chipset main memory support eight ddr4 dimms 21332200oc2400oc2600oc2666oc2750oc3000oc3110oc3333oc mhz up to 128gb max supports quad channel mode supports non ecc un buffered memory slots 4 x pcie 30 x16 slots pci e1 3 5 6 support up to 3 way mode 1 way mode x16