MY GTX 660 Ti 's idle temps is a 40-42 is this temp normal?

Aug 8, 2018
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when my gpu is idle he have a 40c and when is a 100% load temp rises up to 75c in 100% fan speed is this a norman , ( gpu is a 3rd hand used as i know :D ) i know it's a bit older car but is temp going to affect my performance or gpus healt an lifetime?