Gigabyte X399 DESIGNARE EX

An ATX board on the X399 chipset, sTR4 socket. Memory support covers 8 DDR4 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.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Warranty coverage follows Gigabyte's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build. Not sold on this particular motherboard? Browse the category listing to line it up against similarly priced alternatives.