Asus PRIME B850M-K

This is 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.

Expect to pay around $179.99, which lands it among mid-range options. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. ASUS 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.