Pc keeps shutting off

I recently installed new ram and my pc runs super smooth and fine but when i open games and run them it’ll shut off and turn on again on its own. For example I opened cyberpunk and ran around for maybe 10 seconds and bam shuts off and turn on by itself. Before buying my new ram I used pc part picker so it works with my build. I searched up the issue and it said heating issue so I ran a game with afterburner and my temps were fine the hottest it ran before shutting off was 107°F which is confusing me also Said build: (CPU) intel core i5 11400F (COOLER) With a scythe kotetsu mark 3 cooler (MOTHERBOARD) Msi mag B560M Bazooka (RAM) corseair XLP 32gb(2x16gb) DDR4 (STORAGE) Samsung 990 pro (2TB) (VIDEO CARD) RTX 3060TI founders edition (PSU) EVGA 450 BR 750W 80+ bronze All in a: NZXT H500i ATX Mid Tower Case Running windows 10