ASRock X299 Taichi CLX

An ATX board on the X299 chipset, LGA2066 socket. Memory support covers 8 DDR4 slots up to 256GB total. Expansion includes 2 M.2 slots and 2 PCIe slots. Pick the board for its socket before anything else — chipset niceties come after.

Expect to pay around $199.99, which lands it among mid-range options. PlanMyPC's builder flags compatibility problems automatically and tracks the latest motherboard deals from multiple stores. Support and warranty service run through ASRock, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.