ASUS - The latest BIOS updates ready the ASUS 400 & 500-series lineup, and even a stack of 300-series motherboards to get the best performance from upcoming AMD Ryzen 4000 & 5000
MSI AMD 500-, 400- and 300-series Motherboards Are Ready to Optimize the Latest Ryzen™ 5000 & 4000 Series Processors
Best Motherboards for AMD Ryzen 5950X, 5900X, 5800X, 5600X CPUs
Best Motherboard for AMD Ryzen 5000 Series | ASUS X570 & B550
Best Motherboard for AMD Ryzen 5000 Series | ASUS X570 & B550
These AMD 400 and 500 series motherboards already support Ryzen 5000 "Zen3" CPUs - VideoCardz.com