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Thermalright SK-6 Copper Heatsink Review
Thermalright SK-6 Copper Heatsink Review
  86%   
Abstract: Each fin is interconnected with one another by means of small copper tabs. Thus the sum of these many small parts is very sturdy. Be sure to "Listen to this Heatsink!"

 Manufacturer  Category  Published  Author 
Thermalright   Cooling / Heatsinks   Jun 15, 2001   Max Page  

Home > Reviews > Page: Synthetic Temperature / Acoustic Results:

Synthetic Temperature Test Results:

FrostyTech Synthetic Temperature Test Platform (50W heat load)
Mfg. Name Model No. Ambient Temp. (C) Large block (C) Small block (c) Thermal compound Thermal pad No. Fans Fan Noise Clip
1 Globalwin CAK38 25.2 43.5 45.8 silver goo - 1 high hard
2 Thermalright SK6 26.4 38.9 46.4 silver goo none 1 loud med
3 Thermoengine V60-4210 25.0 43.9 47.6 AOS52029KY grey 1 low mod
4 Zalman CNPS3100 25.2 54.0 48.0 silver goo none 1 lg low med
5 Vantec FCE-62540D 24.3 43.6 49.3 AOS52029KY - 1 med-high easy
6 Vantec FCE-6030D 26.2 46.6 50.7 silver goo - 1 high med
7 Thermaltake DU0462-9 mini CuOrb 25.2 48.8 53.0 silver goo - 1 med med
8 Blizzard S370-L 25.8 52.4 54.7 silver goo none 1 low easy
9 Neng Tyi SN03 27.7 45.9 57.2 AOS 52029KY green 1 med stiff
10 Coolermaster DP5-6H11 26.6 49.9 61.0 AOS 52029KY pink 1 low stiff
11 Vantec GSW-6015 26.0 48.0 64.2 AOS 52029KY none 1 low easy

Based on just the small copper die template test results the SK6 lands itself in at the second position. Notice the really amazing results on the large copper die template! The SK6 manages to bring in a temp of 38.9 degrees which is really low compared to the other coolers. On first glance it looks like the SK6 posses some really good thermal properties. For the moment, the CAK38 still holds its ground with the lowest temp, but I have a feeling that the rise above ambient temperature results will change things quite significantly - so let's check those out right now.

Rise Above Ambient Temperature (C)
Mfg. Model with large block with small block
1 Thermalright SK6 12.5 20.0
2 Globalwin CAK38 18.3 20.6
3 Thermoengine V60-4210 18.9 22.6
4 Zalman CNPS3100 29.5 22.8
5 Vantec FCE-6030D 20.4 24.5
6 Vantec FCE-62540D 19.3 24.9
7 Thermaltake DU0462-9 mini CuOrb 23.6 27.8
8 Blizzard S370-L 26.6 28.9
9 Neng Tyi SN03 18.2 29.5
10 Coolermaster DP5-6H11 23.3 34.4
11 Vantec GSW-6015 22.0 38.2

True to form, the Thermalright SK6 does an outstanding job on both the large copper die template and the large copper die template. We're really only interested in the results on the latter thought. With the small copper die template underfoot the embedded thermistor registered a temperature rise of only 20 degrees Celsius, just managing to edge out the more roughly hewn CAK38.

With all those thin copper fins the SK6 has a quite a large surface area and it shows in its' ability to keep out synthetic test apparatus cool. However, we used a 6800RPM Delta fan to achieve these results, and as many of you already know the Delta fan generates a lot of noise. To give you a chance to see what we mean first hand you can now listen to this heatsink!

Acoustic Sample: Thermalright SK-6

Using the Delta AFB0612EH 25mm thick 60mm fan on our Thermalright SK6 we recorded the following start-up and running noise for about ten seconds. Shown are the spectral and waveform images of the noise that was produced by the mounted Delta fan. The noise is combination of the fan, and the particular characteristics of the air moving through the SK6's fins.

FrostyTech Acoustic Sampling Chamber (~10 sec)
Spectral view
Listen to this Heatsink now.
Standard Waveform view

The intensity of the sound can be gauged by the waveform image. Generally the smaller the waveform the quieter the heatsink will be. As the Delta is one of the loudest cooling solutions in use, this waveform represents the louder end of the spectrum. A quieter heatsink would have a waveform which is much flatter than the one shown.

Click on the headphones icon to Listen to this Heatsink!

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Thermalright SK-6 Copper Heatsink Review
 2:  A couple of features
 3:  Thermalright SK6 Perspective Pics
 4:  Frosty Test Equipment - Thermal / Acoustic
 5: — Synthetic Temperature / Acoustic Results:
 6:  Conclusions

List all Thermalright heat sinks that Frostytech tested?

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