Computer shutdowns after 5-6 hours of gaming
My desktop computer suddenly shutdowns after heavy gaming sessions of about 5-6 hours, when that occurs the BIOS POST shows a message saying "Asus detected multiple power surges when previously on, Asus Anti Surge turned it off to protect system" (or something really similar).
After it happens, I can boot the machine and start the game again: however it will shutdown again really quick, in less of 3 min of gameplay.
My main suspicion is that the PSU is somehow overheating, but an OCCT power supply stress test does not trigger this (at least in a span of almost 3 hours), but I am considering as well that it possibly may be the CPU overheating, although temps dont seem high after the shutdown even if I watch them really quick in the BIOS monitor.
This has never happened before until a few days ago, I will include some OCCT graphs as it may be of help to solve the issue.
My PSU model is Aerocool Templarius Imperator 850W and I think I have it since 3-4 years ago aprox (I think it's important to mention that it does only happen after 5-6 hours of gaming heavy use) and my CPU is an Intel i7-6700K
Thanks in advance, the main reason of asking is because I don't know if I should replace the PSU for a new one or lower my CPU temps.