Question High temps?

Jun 30, 2019
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Hello,
I recently re-build my pc in a new case, in did this to make room for a pump so i could watercool my CPU. But because of this i had to mount my gpu (gtx 1060) sideways with little airflow. i changed some settings in the mis afterburner app to make sure it doesnt overheat, but it still reches aroun 70 to 80 degrees ingame. does this matter?, also my games keep crashing from time tot ime, even tho i have the most recent drivers, and re checked all of the settings, Any help?

Specs:
Gpu gtx 1060
CPU: ryzen 7 1700
Ram 8 gigs 3200