BIOSTAR B550/A520/B450/A320 motherboards officially receive AGESA 1.2.0.7 BIOS with Ryzen 7 5800X3D support - VideoCardz.com
AMD B550 vs B450 Chipset Comparison : r/Amd
ASUS ROG Strix B550-I Gaming AMD AM4 (3rd Gen Ryzen™) Mini-ITX SFF Gaming Motherboard (PCIe WiFi 6, LAN, DDR4 5100 Front USB Gen Type-C, Addressable Gen | doyle-morgan.com
B550 vs B450 Compared (Why B550 is Not Always Worth It)