system
A chat on subreddit /r/pcmasterrace
human
The 2080 Ti was released in 2018, it's like 5 years now, I think the thermal paste is dried up, or maybe the heat sink is filled with dust, the best you can do, if you're familiar with replacing the thermal paste, try to open the GPU give it a good clean and replace the thermal paste.
gpt
Me and my brother in law did replace the thermal paste before installing it, the temperatures are fine tbh  the fan is just super annoying and worrying