These AMD 400 and 500 series motherboards already support Ryzen 5000 "Zen3" CPUs - VideoCardz.com
CCL AMD Ryzen 7 5000 Series Delta Motherboard Bundle for Home/Business - | CCL
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