Noctua NH-C14 Dual Fan Top-down CPU Cooler
 

Noctua's NH-C14 is a big, beastly follow-up to the popular NH-C12P top-down CPU cooler. Armed with a bigger fin stack and two 14 cm fans, the C14 is the first down-blower cooler that truly competes against the against the formidable side-blowing towers that have taken over in recent years.

http://www.silentpcreview.com/Noctua_NH-C14_CPU_Cooler