so basicly i oc my gtx 970 with msi after burner and set it to this http://imgur.com/vp2YubA and started Heaven Benchmark 4.0 and benchmark before and after the oc here is the score before file:///C:/Users/ladel/Unigine_Heaven_Benchmark_4.0_20160321_0207.html and this after file:///C:/Users/ladel/Unigine_Heaven_Benchmark_4.0_20160321_0220.html i got 16 fps more which is really good but i want to know is it safe ? my temp while runing the benchmark were beetween 60-63