AMD B450 Supports 1st / 2nd / 3rd Gen AMD Ryzen Processors Supports 2nd Gen AMD Ryzen with Radeon Graphics Processors Supports Ryzen with Radeon Vega Graphics Processors Supports Athlon with Radeon Vega Graphics Desktop Processors DDR4 4133 / 4000 / 3866 / 3733 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 (For AMD Ryzen Gen3 (R5/R7/R9), by A-XMP OC MODE) DDR4 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 (For AMD Other CPU, by A-XMP OC MODE) DDR4 2667 / 2400 / 2133 / 1866 (by JEDEC)