MSI PRO B850M-A

This is an Micro-ATX board on the B850M chipset, AM5 socket. Expansion includes 2 M.2 slots and 2 PCIe slots. Memory support covers 4 DDR5 slots up to 256GB total. Pick the board for its socket before anything else — chipset niceties come after.

Expect to pay around $169.99, which lands it among mid-range options. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. 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.