Gigabyte B550 AORUS PRO AC

An ATX board on the B550 chipset, AM4 socket. Expansion includes 2 M.2 slots and 2 PCIe slots. Memory support covers 4 DDR4 slots up to 128GB total. Pick the board for its socket before anything else — chipset niceties come after.

At $185.00 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. Support and warranty service run through Gigabyte, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.