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Arctic Cooling Copper Silent 2 Heatsink Review
Arctic Cooling Copper Silent 2 Heatsink Review
Abstract: Arctic Cooling have developed what is perhaps the oddest looking fan we've seen in a long time...

 Manufacturer  Category  Published  Author 
Arctic Cooling   Cooling / Heatsinks   Dec 25, 2003   Max Page  

Home > Reviews > Page: Close examination of the heatsink

Arctic Cooling Copper Silent 2 Heatsink From All Angles
The Fan:

The under-hung fan used on the Copper Silent 2 is a one-piece unit. Both the fan shroud and the fan are actually one unit, meaning there is no opportunity to replace the fan should it fail.

Heatsink Top:
There are a total of 28 fins on this heatsink, all of which are angled slightly to the outside, and their surfaces untextured. The cut in the center is 6.5mm wide for the clip to sit in.

Side A:
The entire heatsink sits roughly 79mm high, with the heatsink itself taking up just 41mm of that height. The fins are 1mm thick and spaced 1.1-2.3mm apart from base to top. The aluminum base is 5mm thick, and the copper plate soldered on 5.5mm thick. Each aluminum fin stands 31mm in height and is bent slightly towards the outside. It is easy to see how the fan is under-hung in this image.

Side B:
I'm not much of a fan of the 3-prong clip system in use here. The clip really doesn't have enough of a catch to easily use a flat head screwdriver to engage it. The slot is really thin, so most screwdrivers are unlikely to even fit, further adding to the frustration.

Heatsink Base:

The 5.5mm thick copper pad measures 44x44mm. The surface of the aluminum heatsink doesn't come in contact with the processor so its finish is not important. The copper pad has been machined relatively flat in the center, and fairly smooth (though there are some slight machining marks visible). The edges of the copper seem to rise up very slightly so this heatsink wouldn't work well with a TEC unless lapped.

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Table of Contents:

 1:  Arctic Cooling Copper Silent 2 Heatsink Review
 2: — Close examination of the heatsink
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Surface Roughness Comparison
 5:  Final Temperature Results

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