The new style in heatsinks is to have the fan sitting vertically, not horizontally, and it seems to be paying off.  Whether it is the increased surface area the fan can directly affect, or the push-pull configuration that some heatsinks allow, it tends to increase cooling performance.  The newest is the 3RSystem iCEAGE, and AnandTech has tested it out.  Read on to see one of the best retention systems they have seen in action.
“3RSystem was established in South Korea in 2000, with the goal of using creative design and innovation to become a competitive case manufacturer in a very short time. Evidence that this was achieved was the appointment of 3RSystem in 2001 as a “company of technological excellence”.

From those beginnings 7 years ago the 3R Product Line has grown to include a full line of mini tower, full tower and mini/slim cases. 3RSystem also markets Poseidon brand water cooling systems, and they have just launched their iCEAGE CPU air coolers.”

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