AMD A520 AMD Socket AM4, support for: 3rd Generation AMD Ryzen processors / 3rd Generation AMD Ryzen with Radeon Graphics processors 3rd Gen AMD Ryzen Processors: Support for DDR4 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules 3rd Gen AMD Ryzen with Radeon Graphics processors: Support for DDR4 4733(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules