ASRock X299 Killer SLI/ac

This is an ATX board on the X299 chipset, LGA2066 socket. Expansion includes 2 M.2 slots and 2 PCIe slots. Memory support covers 8 DDR4 slots up to 128GB total. Pick the board for its socket before anything else — chipset niceties come after.

Expect to pay around $469.99, which lands it among premium options. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. ASRock 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.