yeah i know... but i dont wanna risk it yet, only as a last resort, i will test another stick of ram and another psu today to see if it still happens@Gaff1
Newer BIOS versions from Asrock sometimes increase memory compatibility. You should seriously consider updating your BIOS to the latest version. Your BIOS is from 2020 and there have been more than a dozen BIOS updates since then.
https://www.asrock.com/MB/AMD/X570 Steel Legend/index.us.asp#BIOS