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Date: September 13th, 2009
Article by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Zalman
<--CLICK FOR GREAT PRICES ON A ZALMAN CNPS9900 INTEL I7 COOLER

 

PRODUCT WALKTHROUGH & PICTORIAL


So let's briefly walk through this product.



To start off, as mentioned earlier, there has been a lot of discussion on whether this center plastic shroud is for packaging as zalman has instructed, or whether it was an actual part of the design of the cooler which in retrospect didn't work out. From my point of view and by the amount of effort it took to remove this shroud, it was part of the cooler. Now if they found out that it performs better without it, so be it. But I am confused as to why they would say it was packaging. The part was made to keep the two separate radial heatpipes together and without it, the cooler looses some of its structural integrity. Whether or not it affects the performance will be shown during testing.


 



Moving on, the smoother all copper base is welded to the six copper heatpipes. Two of the heatpipes go to one of the radial copper coolers and four of them attached to the other.



The side where the air is being drawn is has the lower amount of heatpipes so the airflow is not saturated with latent heat before being pushed by the fan and through the exhaust assembly which holds the majority of the heatpipes. This might be why the cooler might perform a bit better with the shroud removed seeing it will allow a unobstructed fresh airflow to the exhaust heatpipe assembly.



The fan itself is PWN controlled other than when you choose to override the speed. While under the control of the PWM, the cooler is very quiet and situates itself at about 1000-1200rpms depending on the processor load. But once the speed is set to manual and increased, the noise output goes up very quickly. At over 1800rpms, the fan will start to resonate a bit with the copper cooler fins with the shroud unattached. It's not a very comfortable sound but in reality, no one will have the need to push the fan speed that high.

 

<--CLICK FOR GREAT PRICES ON A ZALMAN CNPS9900 INTEL I7 COOLER

 

 


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