Temperature for Overclocked GTX 1050 Ti

Mar 26, 2018
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I've bought an AFox GTX 1050 Ti about a week ago. I've bought the AFox model as it was a lot cheaper than the other sub vendors but I don't know much about the company. Nonetheless I've decided to overclock my GPU and I'm not too sure about the temps as I don't know whether AFox's cooling solution is good or not. I've increased the Core clock by 170 MHz. and Memory clock by 700 MHz. with the fans running at 75%. The card's temperature goes upto 65-68 degrees while gaming or in stress tests. But I haven't seen it go over 70 degrees. It stays about 34/35 degrees at idle. Are the temperatures alright or should I revert back to stock settings?
Btw the air flow in my computer case isn't that good despite having 3 fans. It's in a weird place with very minimal ventilation, so that might be affecting the temperatures slightly.

My specs:
Core i5 2500K
8GB. 1600 MHz. RAM
ASUS P8 Z77 VLK Mobo