AMD B450 AMD AM4 Socket for 3rd/2nd/1st AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors DDR4 4400(O.C.)/ 3533(O.C.)/ 3466(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 MHz Un-buffered Memory