B450 and X470 chipsets WILL support AMD Ryzen 4000 processors

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

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

AMD's Ryzen 4000 and Q3 2020-bound desktop processors confirmed to support the AM4 socket and B450 chipset - News

What motherboards are compatible with Ryzen? - Quora

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

Motherboard Makers Enable Support for Latest Ryzen CPUs

Amd Ryzen 5 3400g R5 3400g Cpu + Msi X470 Gaming Plus Max Motherboard Set Meal Socket Am4 New / No Fan - Motherboards - AliExpress

AMD Ryzen 4000 desktop CPUs might support AM4 motherboards

AMD to support Zen3 on B450 and X470 motherboards

AMD Backpedals, Zen 3 Support Coming to B450 and X470