B450 and X470 chipsets WILL support AMD Ryzen 4000 processors

List of AMD chipsets - Wikipedia

MSI Performance Gaming AMD X470 Ryzen 2ND and 3rd Gen AM4 DDR4 DVI HDMI Onboard Graphics CFX ATX Motherboard (X470 GAMING PLUS Max) : Electronics

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

AMD Ryzen 4000 Compatibility With 400-Series Motherboards Confirmed by Laptop Vendor

AMD Zen 3 Ryzen 4000 'Vermeer' Desktop CPUs Will Be Compatible With Existing AM4 Boards

AMD Launches 7nm Ryzen 3000 CPUs & Radeon RX 5700 GPUs

AMD Zen 3 Will Not Work With B450 And Older Chipsets –

AMD Zen 3 Ryzen 4000 'Vermeer' Desktop CPUs Will Be Compatible With Existing AM4 Boards

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

is it possible? B450 X470 supports AMD Zen 3 Ryzen 5000 chipset

AMD B450 or B550 Motherboard for Ryzen 5000 CPUs?

Official Ryzen 5000 support finally coming to B350/X370 boards