MSI MAG B550M MORTAR MAX WIFI

An Micro-ATX board on the B550M chipset, AM4 socket. Memory support covers 4 DDR4 slots up to 128GB total. Expansion includes 2 M.2 slots and 2 PCIe slots, with Wi-Fi and Bluetooth onboard. Start with socket compatibility for your CPU, then weigh chipset extras.

At $79.99 it sits in the budget 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. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.