AMD Ryzen 5000 Zen 3 support is rolling out for ASUS, ASRock, Biostar, Gigabyte and MSI 500 series motherboards; no B450 or X470 support until January 2021 at the earliest - NotebookCheck.net News
ASUS drops support for AMD's Ryzen 5000-series Zen 3 CPU lineup on its 400 chipset motherboards, X470 and B450 [UPDATE]