MSI PRO B550-P GEN3

This is an ATX board on the B550 chipset, AM4 socket. Memory support covers 4 DDR4 slots up to 128GB total. Expansion covers 2 M.2 slots and 2 PCIe slots. Match the socket to your CPU generation first; chipset features second.

At $187.78 it sits in the mid-range motherboard bracket. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. MSI backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.