MSI PRO B850M-B GEN4

An Micro-ATX board on the B850M chipset, AM5 socket. Expansion covers 2 M.2 slots and 2 PCIe slots. Memory support covers 2 DDR5 slots up to 128GB total. Pick the board for its socket before anything else — chipset niceties come after.

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. If this motherboard is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.