AMD Ryzen 4000 "Vermeer" could launch in September - VideoCardz.com
GA-AB350-Gaming 3 (rev. 1.x) Key Features | Motherboard - GIGABYTE Global
ASUS Announces UEFI BIOS Support & AGESA 1.2.0.7 for AMD Ryzen 7 5800X3D & new AMD Ryzen 5000, 4000 Series CPUs for ASUS AM4 X570, B550, X470, B450, X370, B350, A520, and
Let's Test This: Ryzen 9 3900X on a B350 Motherboard | TechSpot
ASUS agrees to support A520 up to Ryzen 4000 CPUs, but questions B450 and X470
ASRock Brings Zen 3 Support to A320, X370, and B350 Boards with Beta BIOS Update | Hardware Times