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Dynatron G199 1U Xeon Server Heatsink Review
Dynatron G199 1U Xeon Server Heatsink Review
  77%   
Abstract: On the heatsink test bench today is a 1U server heatsink for Intel LGA1366 Xeon processors. I know what you're thinking, but the Dynatron G199 1U server heatsink is still on the market in this and other variations for current sockets.

 Manufacturer  Category  Published  Author 
Dynatron   Cooling / Heatsinks   Jan 24, 2014   Max Page  

Home > Reviews > Page: 360° View - Dynatron G199 Heatsink

360° View - Dynatron G199 1U Server Heatsink


Information on Frostytech's test methodology is available here.

The 70x70x15mm PWM squirrel cage fan spins at 6000RPM and draws power from a standard 4-pin motherboard header. Air is exhausted out the top, to one side of the fan as indicated by the arrow shown above. The entire heatsink is no larger than 29x90x90mm. A 4mm void runs down the center of the copper fins, separating them asymmetrical into 45mm left and 41mm right sections.



The skived copper fins are 10mm tall, approximately 0.5mm thick and set on a 0.75mm fin pitch. The copper heat spreader is 3mm thick across the entire base of the Dynatron G199 heatsink. Note the captive, spring tensioned screws for installation onto socket LGA1366 Intel Xeon processors.

The solid copper base of Dynatron's G199 1U server heatsink measures 90x88mm in size. The patch of pre-applied thermal compound is ~30x30mm in area.

Base Finish and Flatness

Flipping a heatsink over to inspect the business end is often a simple indicator of overall cooler quality. More practically speaking, a heatsink is in many ways only as effective as the contact it makes with the processor - the flatter and smoother the better. Base finish is one of the criteria that Frostytech measure in the course of evaluating heatsinks, and it involves two distinct aspects. Surface Finish is the first; this is calculated with the aid of Surface Roughness Comparator that has a cross section of common machine surface finishes and their numerical surface roughness equivalents in microinches. The second is Surface Flatness. This is tested with an engineer's straight edge or proven flat surface, in two axes.

The copper base of the Dynatron's G199 heatsink has a machined surface finish which is perfectly flat in both axes. A minimal machining texture is left in the copper, giving it a surface roughness of approximately ~32 microinches.

Next up, let's see how this heatsink handles the heat compared to a selection of other heatsinks!

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Dynatron G199 1U Xeon Server Heatsink Review
 2: — 360° View - Dynatron G199 Heatsink
 3:  Acoustic Sample and Heatsink Sound Levels
 4:  Intel LGA2011/1366 Heatsink Temperature Comparisons

List all Dynatron heat sinks that Frostytech tested?

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