Is there a lower limit as to what you can safely cool a GPU to?
Of course. There's a specific 'operating temperature' range for almost every electronic equipment imaginable, and GPUs are most certainly not an exception.
Check this article out for further reference: https://www.pcmech.com/article/how-cold ... -hardware/
"WARNING LEVEL TEMPERATURES:
Ambient temperature below 35 F/1.7 C: Generally speaking it’s too cold to operate at this point. You’re dangerously close to freezing and that’s when the physical properties of computer hardware change by flexing (usually). Not a good idea to operate a computer below this mark."
However, keeping liquid nitrogen and other similar extreme stuff aside, I can suggest a few 'practical' things to keep your GPU cool even under high load:
1. Customize the fan-curve so that the fan spins faster quicker than usual. Usually the easiest and most effective solution.
2. Double-check airflow around the GPU. Improve your cable management if there's still room for improvement.
3. Try a spot-cooling solution like these
, spot-cooling fans
inside the case, etc.
4. Try (slightly) under-volting the card, unless you HAVE TO maximize performance at the same time.
5. Place your system close to a dehumidifier-equipped full-blown air conditioning unit.