XIGMATEK Aegir SD128264 CPU Cooler Review
 

The Aegir CPU cooler from Xigmatek sports a heatpipe cooling system named D.L.H.D.T. (Double Layer with Heat Pipe Direct Touch) first seen in their CPU cooler dubbed "Thor's Hammer"; the new Aegir is ships with one PWM LED fan which can easily be controlled by the motherboard.

http://www.madshrimps.be/articles/article/1000103