what temperature is normal for a 760 gtx from msi

Feb 3, 2014
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got a msi geforce gtx 760 twin froz OC with 2 gigs, in idle it has 31-32 degrees and when i play bf3 for example on high i get 74-75, is it ok? should i lower the graphics of the game because i do not mind it if my card will last longer or work better