I installed the fan on the back of my watercooling CORSAIR HY-70 with, in front, the Noctua NF-P14 FLX purchased together. What a contrast to the noise generated by the two ventilos CORSAIR 12 cm original ... And the temperature of my Core i7 920 also dropped a few degrees. In addition, with free shipping, I finally paid these two objects almost 7 cheaper than the seller at the lowest prices excluding shipping costs.