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Globalwin CAK4-76T Copper Heatsink Review
Globalwin CAK4-76T Copper Heatsink Review
  86%   
Abstract: When installed properly, the thermistor should be able to sense the temperature at the base of the heatsink and adjust fan RPM to compensate.

 Manufacturer  Category  Published  Author 
Globalwin   Cooling / Heatsinks   Dec 22, 2002   Max Page  

Home > Reviews > Page: Close up look at the heatsink

Globalwin CAK4-76T From All Angles

The Fan:

This 70mm fan has its' speed governed by the thermistor which reads the temperature from the base of the copper heatsink. The fan connects via a standard 3-pin fan header to the motherboard. The fan cable on the unit we tested was about 150mm long.

Top: There is no fan adaptor on this version of the CAK4-series heatsink. The fan and heatsink are both 70mm in size. The skived copper fins are nicely finished and the tops milled flat. The heatsink uses one clip on the retention mechanism to hold it in place, in spite of the overall weight of the unit. The clip sits in a 6mm space between the copper fins and slides freely back and forth.

Side A: The heatsinks' copper fins are protected by an aluminum shroud with the Globalwin logo stamped on it. The clip requires the use of a flat head screw driver to engage and in general is pretty simplistic. There are no notches to prevent the clip from sliding around on the heatsink which was a little disappointing to see.
Side B:
The skived copper fins are 0.3mm thick and spaced 1mm apart. Fins are 35mm in height. The base is 6mm thick copper, and because this heatsink is made with the skive process, the fins and base are of the same block of copper - they are not soldered together.

Heatsink Base:

The 6mm thick copper base is machined flat, and displays a fairly nice finish both in terms of smoothness, and flatness. The base is undercut 2mm for socket cam arm clearance. Because of the size of the heatsink, one side is notched out a few millimeters for the socket clip to clear.

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Table of Contents:

 1:  Globalwin CAK4-76T Copper Heatsink Review
  2: — Close up look at the heatsink
 3:  Heatsink Test Parameters
  4:  Acoustic Test Results
  5:  Synthetic Temperature Test Results
List all Globalwin heat sinks that Frostytech tested?

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