For an i9-14900K, prioritize fast DDR5 RAM. Aim for at least 32GB (2x16GB) at 6000MHz or higher. Faster kits like 6400MHz or 6800MHz can provide a sli...
I went with the Gigabyte B650 Aorus Elite X AX. The VRM cooling is excellent, it has 2.5GbE LAN, WiFi 6E, and enough M.2 slots for expansion.