Intel Z390 Intel Socket 1151 9th/8th Gen Intel Core, Pentium Gold and Celeron Processors * Not backward compatible with older generation of LGA 1151 CPUs * Refer to www.asus.com for CPU support list DDR4 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 * Hyper DIMM support is subject to the physical characteristics of individual CPUs. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).