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AVC 117160 Socket 478 Heatsink Review
AVC 117160 Socket 478 Heatsink Review
Abstract: The market of socket 478 heatsinks is thus quite a bit smaller than that of the socket heatsink market, but it is equally important to consumers.

 Manufacturer  Category  Published  Author 
AVC   Cooling / Heatsinks   Jan 20, 2002   Max Page  

Home > Reviews > Page: Looking at the heatsink from all angles
AVC 117160 Heatsink From All Angles
The Fan:
The 70mm fan is rated at 0.2A and is fairly quiet in operation. The fan attaches to an aluminum fan shroud and not directly in to the fins. For the size of the heatsink, I would be tempted to add something a little bit bigger, and maybe sacrifice some of the quiet. The AVC fan connects via a 3-pin fan header on the motherboard. On either side of the fan are the guides where the Stainless Steel clips go. The small tab prevents the clips from sliding off to the side.

Heatsink Top:
With the fan removed you can see two things more clearly. First off, the two clip guides are in direct contact with the tips of the fins and provide a good means of clipping down the heatsink without large bulky plastic mechanisms. Secondly, we can see that the fans is held up from the tips of the fins for better airflow by a few millimeters.

Side A:
The side of the 117160 is very plane, with no extra cuts to allow warm air to escape, all exhaust is forced out the left and right sides. The heatsink body itself is 37mm in height, and 83mm in length.
Side B:
Each of the 27 extruded fins tapers from 1mm thick at the base to about 0.5mm thick at the very top. The fins are each spaced 1.5mm apart and the base plate is a standard 6mm thick.
Heatsink Base:
We've always been fairly picky about the quality of a heatsinks base, though over time we have to see that almost no manufacturers machine extruded heatsinks. It is simply much cheaper for them to sand the base "flat", even though this process tends to leave rather deep scratches. Still, give the option between this and a raw extrusion base, the sanded ones are generally better. Raw extrusions, while smooth, are rarely flat. Often the base has a wavy or concave appearance when tested with an engineers straight edge. The 117160 base proved to be very slightly convex. Note; the white square is preapplied thermal compound.
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Table of Contents:

 1:  AVC 117160 Socket 478 Heatsink Review
 2: — Looking at the heatsink from all angles
 3:  Heatsink Test Apparatus - Socket 478
 4:  Thermal Test Results, Acoustic Sample

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