The Ultimate Cooling Fan Grouptest 2012 Review @ Vortez
 

Vortez present their Ultimate Grouptest of Cooling Fans. Comparing over 30 fans from a dozen manufacturers, reviewer Ed Hume analyses Temperature and Sound Pressure levels to give a detailed overview of many of the fans on the market today. We can't quite claim to have found the ultimate fan, but this is sure the Ultimate Grouptest we've ever undertaken.

http://www.vortez.net/review.php?id=570