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Dynatron Model-R 1U Cu Microfin Heatsink Review
Dynatron Model-R 1U Cu Microfin Heatsink Review
  85%   
Abstract: The market for 1U servers is increasing rapidly these days as data centers increasingly move away from the bulky 3U and 5U servers that were once the staple of websites.

 Manufacturer  Category  Published  Author 
Dynatron   Cooling / Heatsinks   Aug 10, 2001   Max Page  

Home > Reviews > Page: Frosty Acoustic Sampling Chamber:

Frosty Acoustic Sampling Chamber:

The FrostyTech Acoustic Sampling Chamber is the newest addition to our box of heatsink testing tools. Since heatsinks and cooling fans have always gone hand in hand, we thought it was about time you were able to listen to the heatsinks in action!

To record the noise generated by a particular fan and heatsink combination, we use a special aluminum box lined with 2" of foam that is sealed from the outside environment during the recording process. The thick layer of foam helps to ensure that the sound we are recording is that which is generated by the particular cooler inside the enclosure. A standard computer power supply is located outside the chamber to power the heatsinks' fan.

The monophonic microphone is positioned about 6" from the center of the test chamber out of the direct air flow path generated by the fan. A solid state digital recorder is used record the sound picked up by the nondirectional mic inside the case. The digital recorder has a frequency range of approximately 500Hz to 3500Hz.

The purpose of the enclosure is to record an accurate representation of the noise generated by a heatsink and fan combo - separate from any other external computer noises like hard drives or power supplies.


FrostyTech Synthetic Temperature Test Platform:

The FrostyTech Synthetic Temperature Test Platform consists of an aluminum block heated by a 120V 250 Ohm precision resistor producing 50W of heat. That heat is transmitted to the heatsink via the aluminum block and up through special copper die templates with thermistors embedded directly in them.

A temperature reading for a particular heatsink is taken once the temperature stabilizes in the copper die template. Since each of the die templates have the approximate surface area of either a silicon topped or heatspreader-topped processor the flow of heat to the base of the heatsink accurately mimics a real life configuration.

FrostyTech Synthetic Temperature Test Platform

Shown with the copper die template for a silicon-topped processor, the synthetic heatsink test apparatus awaits a coating of silver-based thermal compound on the Dynatron DC1206BMR heatsink. A slightly larger copper die template was used to test the effective cooling ability of the DC1206BMR atop a heatspreader-based.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Dynatron Model-R 1U Cu Microfin Heatsink Review
 2:  Dynatron DC1206BM-R Heatsink Perspectives
 3: — Frosty Acoustic Sampling Chamber:
 4:  Acoustic and Thermal test results
 5:  The Final Word on the Model-R

List all Dynatron heat sinks that Frostytech tested?

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