Thermalright HR-11 Videocard Backside Cooler Review
 

Frankly, I was skeptical of this product's usefulness when it first arrived here in the lab, and I expected it to have very little, if any, impact on cooling. I was wrong. The HR-11 has proven its worth by lowering both GPU and case temperatures without adding any noise to the system

http://www.tweaknews.net/reviews/the...cooler_review/