While playing games, they often stop unexpectedly.
While playing games, they often stop unexpectedly.
Which specific PSU and which third-party cooler are being referred to? They aren't identical. As @COLGeek mentioned, details are important. Also, please share your motherboard model and the BIOS version it's using. Defo seems to indicate a GPU overheating issue, and it should operate below 85°C.
What's the point of treating your system details as confidential? This data is essential for resolving issues. If you're genuinely seeking support, please share the needed information. Unless your access was gained through improper means, you won't receive help, as per the guidelines.