I was having this issue with a 14900k. I ended up trying literally everything I could, then swapped out my 6400mz GSKILL RAM for my old Crucial 4800mz (on an ASUS z690 board). No crashes since. I think the combination of RAM and 14900k was just too much for my mobo for some reason.

Try dropping your performance clock ratio to x54 in intel extreme tuner