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Dynatron DY1206BH-625/638 Copper HSF Review

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Introduction and System Setup

This content was originally featured on Amdmb.com and has been converted to PC Perspective's website. Some color changes and flaws may appear.

Not to long ago, I received an e-mail and then a telephone call from Kenny Kwong of Dynatron Corp.; the gist of the conversation dealt with a new product the DY1206BH-625 that he believed would challenge our current champion the Thermalright SK-6 and was I interested in reviewing it. Do you need to lead a Duck to water????? Quack, Quack. He then added one more little gem; the price would put it well below the competition. End result, this review.



I’m sure you’ve noticed that there are two different numbers: the DY1206BH-625 and the DY1206BH-638. It is the exact same heatsink, but with a different fan (from this point on we’ll call them the 625 and 638).


The 625 is equipped with the Delta 60x25 mm 37.6 CFM fan that produces 46.5 dBA’s, the 638 is equipped with the Delta 60x38 mm 43.4 CFM fan that produces 50.5 dBA’s. For our purposes we’ll review the 625, the noise of the 638 is even more than I can handle.


Our test system is a high performance, well cooled Athlon 1.2 GHZ 266 FSB AXIA CPU on an Abit KT7A-Raid motherboard housed in a Lian-Li PC-60 Aluminum Case with all the amenities including Silver Series Rounded IDE Cables and three Panasonic Panaflo 80mm fans producing 47 cfm’s each. We cannot over-emphasize the need for good cooling.


Our tests are conducted under real world conditions in a closed aluminum case using a mix of software that best reflects the usage patterns of the majority of computers used day in and day out.


Our tests run for a consecutive four day period. To record temperatures, we employ Award Bios, Via Hardware Monitor and a heat sensor applied next to the CPU’s core from the DigitalDoc5. The room temperature of 74 degrees Fahrenheit or 23 degrees Celsius is maintained +/- four tenths of a degree.


The mix of software used in our study consisted of business and accounting applications, a varied combination of utilities, AutoCAD Lite, graphic intensive packages, 3D games, surfing the net and burning our favorite CD’s.


Fifty readings per day are taken for a total of 200 separate readings, with the high and low readings for each day removed leaving a total 192 readings. This method is referred to as a Weighted Average.



It is important to note that our interests lay in high performance and that noise generated is not an issue. The exact same 60mm Delta 37 cfm fan that produces 46.5 dBA’s has been used in every one of our tests of heatsinks using a 60mm fan. Your results may differ from ours due to differences in equipment, cooling system and ambient room temperature.

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