B450 and X470 chipsets WILL support AMD Ryzen 4000 processors

AMD Reverses Course, Will Enable Zen 3 and Ryzen 4000 Support on B450 and X470 Motherboards

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

AMD Brings Official Ryzen 5000 Support to 300-series Chipset Motherboards Circa 2016

AMD's Ryzen 4000 Desktop CPUs Vermeer to Retain the B450 Chipset

MSI motherboard BIOS support list for AMD newly launched Ryzen 5000/4000 CPUs and AGESA 1.2.0.6c/1.2.0.7 BIOS plan : r/MSI_Gaming

Motherboard Makers Enable Support for Latest Ryzen CPUs

B450 and X470 chipsets WILL support AMD Ryzen 4000 processors

MSI Confirms AMD Ryzen 4000 'Zen 3' Support On 400-Series Boards

AM4 generational compatibility - different perspectives : r/Amd

AMD B450 Mid-range Chipset Detailed

B450 Zen 3 Compatibility: AMD Bow to Community Pressure

Should I get a decent B450 motherboard such as the MSI Tomahawk or get a low end x470 motherboard? - Quora

AMD to Support Zen 3 and Ryzen 4000 CPUs on B450 and X470 Motherboards