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Dynatron DC1U-B01 1U Copper Heatsink Review
Dynatron DC1U-B01 1U Copper Heatsink Review
Overall Rating:   73%
Abstract: Has Dynatron figured out the secret to making the worlds best 1U socket A heatsink, or are we looking at something which just makes the grade?

 Company link     Category     Published     Author    
Dynatron   $$ Price It! ££ Cooling / Heatsinks   Apr 17, 2003   Max Page  

Dynatron DC1U-B01 1U Copper Heatsink Review

Dynatron's all copper DC1U-B01 Socket A heatsink is designed for use in 1U server environments, but, does it have the right stuff? We've tested hundreds of heatsinks and only handful have ever used squirrel cage fans because of their low CFM ratings. Has Dynatron figured out the secret to making the worlds best 1U socket A heatsink, or are we looking at something which just makes the grade?

Read on and you'll find out those questions and many more! First off, lets have a look at the heatsink itself and consider that 1U servers only leave about 30mm worth of vertical space for the entire cooling package; that means heatsink and fan.

Ensuring that the total thermal solution will work within the limits set out by processor manufacturer usually means that with the size limitations, 1U heatsinks always test hotter than standard desktop coolers. This isn't to say they run that hot in the server as forced air usually adds a degree of cooling we just can't factor in.

In any case, the Dynatron DC1U-B01 is set for some competition from a few other Socket A 1U server heatsinks.

Heatsink Specsheet:
  • Model: DC1U-B01
  • HS Material: skived copper C1020
  • Fan: 7800RPM, 6.1 CFM, 12V, 3.6W
  • Fan Dim: 15x50x50mm
  • FHS Dimensions: 29x60x79mm
  • Weight: 317 grams
  • Made by: Dynatron
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Heatsink Audio Sample Included.

You will be hearing us mention the work "skive" quite a lot in this review, and if you aren't familiar with the term there is no need to fret. 'Skiving' is a manufacturing process by which the copper fins of the heatsink are drawn up from a flat plate or bar of copper to form the final heatsink.

The remains of that flat plate go on to form the base of the actual heatsink. The significance of this set up is that there is no interface to be concerned with between the fins and base. Materials such as solder, or thermal epoxy can impede the flow of heat energy more so than pure copper. Skived heatsinks make those concerns obsolete.

Air is drawn in from either side of the heatsink, up through the fan and then exhausted outwards. A standard vaneaxial fan would intake air from the top and exhaust it out through the heatsink to either side. We'll have to wait until the thermal results are in before we know if Dynatron's technique will pay off.

° Next Page 

Article Contents:
 Page 1:  — Dynatron DC1U-B01 1U Copper Heatsink Review
 Page 2:  The heatsink from all sides
 Page 3:  Heatsink Test Parameters
 Page 4:  Thermal And Acoustic Results
 Page 5:  Final Temperature Results

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