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Cooljag E44C/180 1U Socket 478 Heatsink Review
Cooljag E44C/180 1U Socket 478 Heatsink Review
Abstract: The E44C/180 is a fully copper skived heatsink which is actively cooled by a thin squirrel cage fan that rests on top.

 Manufacturer  Category  Published  Author 
Cooljag   Cooling / Heatsinks   Nov 13, 2004   Max Page  

Home > Reviews > Page: Examining the Heatsink

Cooljag E44C/180 Heatsink From All Angles
The Fan:

The 60mm squirrel cage fan is small, but for the amount of space available in a 1U server it is appropriate. The fan attaches to two steel posts which hold it against the fan shroud. There is no space between the base of the fan and the tips of the fins, and this is important since air is drawn into the fan through the copper skived fins, before being exhausted outwards. The fan connects via a 3-pin fan header on the motherboard and supports RPM monitoring.

Heatsink Top:

With the squirrel cage fan removed you can see things more clearly. The copper heatsink is skived in two parts, and each section is 37mm wide, and each fin about 8mm tall.

Side A:
The copper base of the Cooljag E44C/180 is 4.5mm thick, and the fins about 8mm tall giving the cooler an overall height of 12mm. The fins are spaced 1mm apart and are 0.3mm thick which is pretty standard for skiving.

Side B:
This heatsink is very simple; just a fan and a block of copper to cool the processor. As all the exhaust air comes out of the Everflow fan from one side, it is important to ensure that when this heatsink is installed, there is nothing blocking the exhaust.

Heatsink Base:

The base of the copper heatsink has been face milled nicely, and is very smooth, but not necessarily flat. The base is flat on the long side, but slightly concave in the other axis. The curve inward is shallow enough that it shouldn't have major effects when installed.

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Table of Contents:

 1:  Cooljag E44C/180 1U Socket 478 Heatsink Review
 2: — Examining the Heatsink
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Surface Roughness Comparison
 5:  Final Heatsink Temperature Comparisons

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