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Taisol CEP426151A Pentium 4 Heatsink Review
Taisol CEP426151A Pentium 4 Heatsink Review
Abstract: Taisol have taken the simplicity of the extruded aluminum manufacturing process and blended it with a 4mm thick copper base plate.

 Manufacturer  Category  Published  Author 
Taisol   Cooling / Heatsinks   Jul 14, 2002   Max Page  

Home > Reviews > Page: view from all sides
CEP426151A Heatsink From All Angles

The Fans:
This 13mm thick 70mm fan attaches to the fame clip so it may be somewhat difficult to upgrade the fan to something larger. In any event the nine-bladed impeller has a low noise signature, but with a slight whine. The fan supports RPM monitoring and connects via a standard 3-pin motherboard fan header.

Bare Heatsink:
Each of the 28 fins measures 69mm across and are continuous, with not one single cross cut. Interestingly, the fan and clip mechanism just rest on the surface of the fins and are not actually attached by any visible means. The clip holds everything in place so it is important to ensure it is well engaged with the HSRM lest the heatsink fall out of the socket.

Side A:
The copper plate measures 4mm thick and roughly 69mm x 62mm in size. This covers most of the heatsinks base and helps to move the heat out to larger surface area before it meats the aluminum extrusion. The aluminum base is 4.5mm thick. The fins are 1.2mm at the base and taper to 0.7mm at the tips. Each of the fins are spaced at about 2mm apart for good airflow.

Side B:
Since there are no cross cuts there isn't much to say about this side of the CEP426151A. The sides overlap a few millimeters where the copper stops and other than that they are simply sanded smooth.

Heatsink Base:
This is what we would call a sanded finish. The base has been finished with a medium grade sandpaper and left bare. Surface flatness is very good, but surface finish could be a bit better. Realistically speaking, the heatspreader on the P4 and the use of a thermal compound will fill in those voids nicely and a good interface will be had in any regard. A better interface could be had with some lapping, but I don't think th difference would be more than about 5 degrees.
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Table of Contents:

 1:  Taisol CEP426151A Pentium 4 Heatsink Review
 2: — view from all sides
 3:  Heatsink Test Parameters
 4:  Acoustic Test Results
 5:  Thermal test results

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