Reeven Ouranos RC-1401 Heatsink Review
 

"What's particularly interesting about the Reeven Ouranos heatsink is not the number of heatpipes or the fact that it's yet another 'tower heatsink'... but that Reeven's thermal engineers have decided to use a combination of 8mm and 6mm diameter heatpipes in concert."

http://www.frostytech.com/articlevie...articleID=2773