Asus Pro B660M-C D4-CSM

An Micro-ATX board on the B660M chipset, LGA1700 socket. Memory support covers 4 DDR5 slots up to 128GB total. Expansion includes 2 M.2 slots and 2 PCIe slots. Start with socket compatibility for your CPU, then weigh chipset extras.

At $189.87 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. ASUS backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.