cooling ...here a link that compare few cooler with a I7 - 920
Noctua NH-D14 CPU Cooler Review
and another one of the New Flex cooler of Zalman, just pay attention of the chart on this one, they have be made with only 1 fan, so it's not a good representation of what a cooler like the Noctua d14 can do ... and talking of the D14, I will not sugess you get this one, is very huge and hard to fit.
Zalman CNPS10X Flex CPU Cooler Review
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