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Zalman CNPS6000-AlCu Fan Heatsink Review
Zalman CNPS6000-AlCu Fan Heatsink Review
Abstract: Cooling comes from a separate 92mm fan that attaches via a special bracket to several of the expansion slots.

 Manufacturer  Category  Published  Author 
Zalman   Cooling / Heatsinks   Mar 21, 2002   Max Page  

Home > Reviews > Page: Close up look at the heatsink
Zalman CNPS6000-AlCu Heatsink From All Angles

The Fan:
Looking down onto the 55 pairs of copper and aluminum we can see the center space where the clip sits which is 8mm wide. Each of the two halves of the fins are 25mm wide. It's difficult to see, but the four center fins are notched out so that the clip will sit dead-center. The fins are bent such out from the center so they are spaced about 2mm from tip to tip at the circumference.

Side A: From one the side of the CNPS6000-Cu the division looks a bit more purposeful. A stainless steel clip slides in between each of the halves and clips onto the socket with a stiff amount of force. Each of the 55 sets of fins are 25mm wide, 55mm tall and ~0.3mm thick. Two 43mm x 2.5mm slits are punched out of each fin to promote better airflow. The outer fins are at an angle of 30 degrees which keeps them out of the way of any nearby capacitors. The two screws are both stainless steel.

Side B:
The Zalman technique for producing a heatsink from many thin strips of metal is one of the more unique in the industry, and also one of the most pleasing to look at, especially from the side.

Heatsink Base:
The base has been machine milled perfectly flat and is razor smooth. Measuring 41mm x 51mm over the whole area, the copper section is just 6mm wide. When mounted to an Athlon XP for example, most of the core will be in contact with the copper area of the base. Since the base has been milled flat only a very small amount of good quality thermal compound should be applied.

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Table of Contents:

 1:  Zalman CNPS6000-AlCu Fan Heatsink Review
 2: — Close up look at the heatsink
 3:  New Heatsink Test Parameters
 4:  Test Results - Acoustic Measurements / Thermal Results

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