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Cho Liang CB00881 Socket 478 Heatsink Review
Cho Liang CB00881 Socket 478 Heatsink Review
  69%   
Abstract: I'm not sure if red is such a great colour for a heatsink, but the red (hot) CLCB00881 is stuck with it for better or worse.

 Company link  Category  Published  Author 
Cho Liang   Cooling / Heatsinks   Mar 27, 2002   Max Page  
Home > Reviews > Page Title: Close up look at the heatsink

Cho-Liang CL-CB00881 Heatsink From All Angles
The Fan:

The fan uses one ball bearing and one sleeve bearing. This is cheaper then using two ball bearings, but still works better than just using sleeve bearings. Four screws hold the 3500 RPM fan in place above the staggered fins on the Cho-Liang heatsink.

Side A: The clipping mechanism looks a little silly with the fan removed but really works quite well. There are six cross cuts to the fins which do not go all the way down the base. The cross cuts are 2mm wide and extend about 27mm down from the top of the heatsink. The clips do not come out of the heatsink by the way.
Side B:
The fins are roughly 1mm thick, but taper at the tops and range in height from 25mm to 32mm. I suppose the idea is to allow a certain amount of air to circulate and reach more the fins than if they were all the same height. Fins are spaced 2mm apart and the base is 7mm thick at the center.
Side B:

The clip mechanism works on a cam system which is very similar to that of the stock Intel heatsink. We can see the shallow cross cuts from this side which help with airflow within the heatsink. The outside of the cooler and all the fins are finished smooth, which is not always best for creating air turbulence and improved thermal transfer. This heatsink only works with the socket 478 retention mechanism.

Heatsink Base:

Remarkably the base finish is pretty flat. For an extrusion heatsink which has not been machined this is somewhat surprising. Generally, raw extrusions are wavy or slightly concave on the base. A good quality thermal compound is always recommended however.



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Table of Contents:

 1:  Cho Liang CB00881 Socket 478 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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