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Synthetic Temperature Test Results: *Ranked according to 100W interface die test results.
For an all aluminum heatsink the Cooljag seems to be performing at about middle of the road for this list of reference heatsinks. Thermally we are seeing what looks like a slight advantage over the stock Intel heatsink, but we'll have to move forward and see the final rise above ambient results to know for certain.
In the final rise above ambient results the Cooljac JVC661A performs just about dead center in this list of reference heatsinks. The results are better than that of the stock Intel heatsink, but only by several degrees. Still, you have to give it to Cooljag for bringing a new technology to market which is competitive, and doesn't necessarily have to rely upon copper.. copper... copper.
Personally speaking, while I like to see copper heatsinks in my own machine, they do add weight and cost more than their aluminum counterparts. Aluminum makes for inexpensive heatsinks which I'm sure we can all agree is a good thing.While CoolJag do not explain much of the reason behind their V-Type Skiving technology, we can easily assume a few points if we consider similar technologies already in use.
First off we have the triangular shaped base to consider. This feature is different from most heatsinks which have a flat base at the bottom of the fins. This area of the base of the heatsink also happens to be at the center of the heatsink which typically receives the least amount of airflow from the fan.
This is generally known as the 'dead spot' since the fan's motor is located directly above causing air in this space to stall. By angling the base upward in this region, I'd guess that the effect of the standing air will be lessened. Then we have the nifty 'V-Type' angled skived fins which should put more fin-material directly in the path of air flow which is at the highest velocity. Overall this leaves us with a pretty good aluminum cooler that doesn't produce all that much noise.
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