Noctua NH-D15 Dual-Tower CPU Cooler Review @ Modders-Inc
 

Noctua thus has introduced the NH-D15, a dual-tower cooler tweaked for efficiency. Do not mistake its large size as an exercise in brute force for the NH-D15 upon closer inspection, is a measured approach to cooling. Moving to a pair of larger NF-A15 fans, the NH-D15 boasts excellent thermal management capabilities at a lower noise level.

http://www.modders-inc.com/noctua-nh...cooler-review/