looking at your first post the memory is it a 32 gb set are 2 16gb set mixed togethermight need to lossen the timming on ram if they are mixed setsalso vcore seem high to me i can get 4.7 at 3.38 but i am on a different chip
i read another forum where a guy had same problem turned out to be his power to his video card here is his postUpdate. It turns out the culprit was the Video card and not the bios update all along, despite updating the bios being the last thing i did...