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Fortis Tech A102 Heatsink Review
Fortis Tech A102 Heatsink Review
Abstract: Fortis Tech have been making their name known this year with a line of copper/aluminum hybrid coolers packing high-RPM fans.

 Manufacturer  Category  Published  Author 
Fortis Tech   Cooling / Heatsinks   Oct 18, 2001   Max Page  

Home > Reviews > Page: Looking at the heatsink from all angles
Fortis A102 Heatsink From All Angles
The Fan:
With the steep angle on these impeller blades I would have liked to have seen a fan grill attached to the A102 - for the sake of those fingers. With its 25mm thick Young Lin 7.8W fan, the last thing you would want is to get a finger or loose wire sucked in there. The fan connects to the motherboard fan header via a 3-pin connector which also supports RPM monitoring.

Heatsink Top:
The aluminum shroud holds the fan about 5.5mm above the tips of the 25 fins on the A102 heatsink. This small space above the fins is typical of most heatsinks as it tends to help with overall airflow. The clip sits in a pathway perpendicular to the lay of the fins. Each of the fins measures 50x62mm and is ~0.5mm thick. The heatsinks fins are spaced 2mm apart.

Side A:
The side of the A102 is quite basic. The aluminum shroud connects with the copper base by means of two steel pins which mount through vertical sections of copper. The clip can be used with a screwdriver or just the fingers which makes installing the stiff A102 easier.
Side B:
Each of the aluminum fin panels has a small indent in it which causes turbulence as the air from the fan moves down over the surfaces. The two rods on the bottom of the fins are what hold everything together, and to the base. Two small blocks of copper are swaged into the base to keep the rods in check. The fins themselves make contact with the 5mm thick copper base via a layer of thermal epoxy.
Heatsink Base:
I've been asked a million times what those four holes are for, and the answer is nothing - they are part of the manufacturing process. The base is coated in a clear substance to inhibit oxidation of the copper, but it is unclear it this coating will have any adverse long term effects on the thermal interface between the core die, and the A102. The base finish is smooth, and quite flat for a non-machined base plate.
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Table of Contents:

 1:  Fortis Tech A102 Heatsink Review
 2: — Looking at the heatsink from all angles
 3:  Heatsink Test Apparatus - Acoustic, Thermal
 4:  Thermal Test Results, Acoustic Sample
 5:  Conclusions

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