Cooler Master GeminII CPU Cooler
 

Based on my experience, the use of at least one fan makes the
GeminII a top performer. The cooler should not be used passively on any
modern processor. It easily beat the Intel stock cooler and also helped
cool down the surrounding components on the motherboard due to its
ability to accommodate 120mm fans. If two fans were used, performance is
likely to be even better, at the expense of your hearing of course;
however, if appropriate fans with a good air flow to noise ratio are
used, there is no reason why the GeminII can't be a winner.

http://www.overclockersonline.net/in...icles&num=1031