EDIT: See latest post: https://forums.overclockers.com.au/posts/18958407/ 3700x - stock Gigabyte X570 I AORUS PRO WIFI - PBO disabled, XMP profile to match RAM, Virtualization on, fTPM on, ultra fast boot on 32GB (2x16) G.Skill FlareX 3200 16 - not on MB compatibility list, forgot to check... said "made for Ryzen" 1TB 980 Pro - OS, VMs 4TB HDD - VM storage, from old PC where it worked flawlessly 4GB RX580 - from old PC where it worked flawlessly BSOD mostly while idle, come back and PC has restarted. Varies between: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED IRQL_NOT_LESS_OR_EQUAL and one other I forget All seem to be either driver or memory related. Nirsoft's BlueScreenView only reports ntoskrnl.exe, no drivers. I've ran a quick Windows memory test with no errors - would memtests even show errors if it's just a compatibility issue? No temperature issues. I've reimaged. First time was just AMD chipset drivers + AMD graphics drivers. Second time was just Gigabyte chipset drivers + AMD graphics drivers. Win10 21H1 both times. No drivers missing in Device Manager.