Asus PRIME B550M-A (WI-FI)

An Micro-ATX board on the B550M chipset, AM4 socket. Expansion covers 2 M.2 slots and 2 PCIe slots, with Wi-Fi and Bluetooth onboard. Memory support covers 4 DDR4 slots up to 128GB total. Match the socket to your CPU generation first; chipset features second.

Expect to pay around $89.99, which lands it among budget options. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through ASUS, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.