ASUS Announces UEFI BIOS Support for AMD Ryzen 7 5800X3D and new AMD Ryzen 5000 Series and 4000 Series CPUs for ASUS AM4 X570, B550, X470, B450, X370, A320 motherboards* 123 motherboards
Official Ryzen 5000 support finally coming to B350/X370 boards - HWCooling.net