Asus PRIME A520M-E/CSM

This is an Micro-ATX board on the A520M chipset, AM4 socket. Memory support covers 2 DDR4 slots up to 64GB total. Expansion includes 2 M.2 slots and 2 PCIe slots. Pick the board for its socket before anything else — chipset niceties come after.

Its $104.45 price tag places it squarely in budget territory. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current motherboard prices across retailers. Warranty coverage follows ASUS's standard policy — confirm regional terms on the listing. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.