I recently bought an Antec VP450 and an ASUS Radeon HD 6570 1GB DDR3. I've overclocked it using MSI AfterBurner and stress testing and benchmarking with FurMark. I was wondering what is the safe temperature that I shouldn't exceed with this card? So far the card hasn't crashed or anything on the stress test I am currently doing and will continue for awhile longer since it's only nearly 10 minutes.