GTX 780 overclocking question?

Laytonoid

Honorable
Dec 22, 2013
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So, I got a GTX 780 ASUS OC DCUII. I overclocked it +100mhz core and +200mhz memory. Is this ok? Will this damage my card in any way? My temps are never above 80C and usaully avg around 73C. I haven't had any artifacts or anything. BF4 crashed once or twice but I don't think it was due to the overclock. That game crashed with my old GPU a few times as well. I just don't want to be damaging my card since I need it to last around 3 years at least. Anyone have there card overclocked similar to mine for 3 years with no problems or damage? Card is running at 1124mhz core clock