I am using 2 EVGA GeForce GTX 660's via SLI. When benchmarking with FurMark, GPU 1's max temp is 86C, GPU 2's temp is 80C. When playing Crysis 2, the temp of GPU 1 is 85C, and GPU 2 is 79C. Are there temperatures too high? I haven't had any issues yet, so this is more of a long-term question.