We have the Sapphire 990FX Pure Black for AMD’s Bulldozer FX processors. We're very interested in what this board can do, so we've decided to pop in a flagship Bulldozer chip with some sub-zero cooling and see what we can accomplish. 5GHz? Pfft, that's easy. 6+GHz? Ok, now you're talking.
Click http://www.pureoverclock.com/article1421.html for the full review.