AMD Ryzen 5000 Zen 3 support is rolling out for ASUS, ASRock, Biostar, Gigabyte and MSI 500 series motherboards; no B450 or X470 support until January 2021 at the earliest - NotebookCheck.net News
AMD Ryzen 7 5800X3D 8-Core 3.4GHz AM4 Desktop CPU with XFX RX 7900XTX Speedster MERC310 AMD Radeon Black Gaming - AAAWAVE
MSI AMD 500-, 400- and 300-series Motherboards Are Ready to Optimize the Latest Ryzen™ 5000 & 4000 Series Processors
ASUS X570 B550 B450 | Best AM4 Motherboard for AMD Zen 3 Ryzen 5000 CPU
AMD Ryzen 7000 Series Processors Content Creation Review | Puget Systems
ASUS X570 B550 B450 | Best AM4 Motherboard for AMD Zen 3 Ryzen 5000 CPU
AMD Ryzen 7 5800X Vermeer 3.8GHz 8-Core AM4 Boxed Processor - Heatsink Not Included - Micro Center