Core temps of my i7 8700k will reach 90-100C after a few minutes from start-up. I removed the motherboard from the and tested with PSU, RAM, M.2 only but still with high temp.
Procie: i7 8700K (never overclocked)
PSU: Cougar 1050w
Mobo: Aorus z370 ultra gaming
RAM: 8GB Gskill Tridentz 3000
M.2...