Asus ROG STRIX TRX40-XE GAMING

An ATX board on the sTRX4 socket. Memory support covers 8 DDR4 slots up to 256GB total. Expansion covers 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 $403.03, which lands it among premium options. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. Support and warranty service run through ASUS, 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.