AMD B450 Supports 3rd / 2nd / 1st Gen AMD Ryzen Processors Supports AMD Ryzen with Radeon Vega Graphics Processors Supports 2nd Gen AMD Ryzen with Radeon Graphics Processors Supports AMD Athlon with Radeon Vega Graphics Processors Supports AMD A-series / Athlon X4 Processors DDR4 4133 / 4000 / 3866 / 3733 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 by A-XMP OC mode* (For 3rd Gen AMD Ryzen (R5 / R7 / R9)) DDR4 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 by A-XMP OC mode (For AMD Other CPU) DDR4 2667 / 2400 / 2133 / 1866 by JEDEC