CPU Support AMD AM4 Socket 3rd and 2nd AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors * Refer to www.asus.com for CPU support list Memory Support 3rd Gen AMD Ryzen™ Processors 4 x DIMM, Max. 128GB, DDR4 4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3400(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory * 2nd Gen AMD Ryzen™ Processors...