Pc randomly crash during use

I built my computer in 2020 and since that time, it is unusable because it randomly crash and say "kernel power 41" error. I never used the computer because it is always crashing

Cpu : Ryzen 9 3900x

Gpu : RTX 3060

Ram : corsair vengeance 4x8GB

motherboard : AORUS b550 elite v2

PSU : Corsair RM850x