Random restarts/shut offs, At My Wits’ End

Hey everyone. I’ve been experiencing frustrating random restarts on my Proxmox server and I can’t seem to pinpoint the cause. There is no shutdown process visible in the logs, just what seems to be a straight power cut, and then due to BIOS setting being to return to on state on power recovery, it turns on again. Here are the specs:

• Motherboard: asus prime b760m a d4 csm (recently replaced, problem continues)
• CPU: i5-12500T (bought second hand)
• RAM: 128 GB (Memtested with no...

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