So... I just went through hardware replacement after replacement chasing this
I was 13900k on Asus Prime z790
Ram NVME PSU Motherboard
All were replaced in that order w/same
Then Intel stepped in and replaced the processor.
It was the processor. Start your RMA with Intel.
13900k here Asus Prime z790 also
Processor and mobo replaced processor was last and it turned to be my processor was the issue.