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Thermalright SLK800 Copper Heatsink Review
Thermalright SLK800 Copper Heatsink Review
Abstract: Okay, an all silver heatsink would be better, but since such a thing doesn't exist in the mainstream cooling world, we'll just have to settle for the Thermalright SLK-800 and plug our ears.

 Company link  Category  Published  Author 
Thermalright   Cooling / Heatsinks   Nov 26, 2002   Max Page  
Home > Reviews > Page Title: The Heatsink: From all sides

Thermalright SLK800 From All Angles

The Fan:

This 80mm fan is what gives the Thermalright SLK800 its massive bite, and loud yell. In this performance configuration, this is not a quiet heatsink. The Delta fan draws 0.81A of current so it should not be connected up to a motherboard fan header as this may eventually kill the board. A fan grille is also a good idea.

Top: The copper fins are each 0.3mm thick and spaced about 1mm apart. The fins reach across 86mm and are glued/bonded to the sides of the central copper base as far as we can tell. There is some residue on the base of the heatsinks that would seem to indicate a thermal epoxy, but it is difficult to be 100% certain.

Side A: There are sets of holes for 38mm, 25mm, and 10mm thick fans so multiple coolers can be built up from the basic SLK800 copper base. There is no fan shroud with this heatsink, and I have to wonder what kind of impact that might have if it were included. In any case the copper base is 8mm thick, and the two triangular side rise up 32mm with a 8mm space in the center for the three-prong clip.
Side B:
The 80mm fan overhangs the heatsink by a fare mount, so it would probably be just as useful to instal a 38mm thick 60mm Delta on the SLK800 and save a few dollars. Notice how the copper base rises up to the center of the heatsink 32mm instead of just being a flat 8mm thick all the way across.

Heatsink Base:

The base of the SLK800 has been milled flat, and with some quick tests of the engineers straight edge we can see that the manufacturer has done a fairly good job. The surface is very smooth, so only a small amount of thermal compound is really necessary for ideal thermal contact between the copper and the core.

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Table of Contents:

 1:  Thermalright SLK800 Copper Heatsink Review
 2: — The Heatsink: From all sides
 3:  Heatsink Test Parameters
 4:  Acoustic Test Results
 5:  Synthetic Temperature Test Results

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