Thermalright HR-09 Mosfet Cooler
Author: Zahn Funk
Editor: Shawn Knight
Date: 11-29-2007
Provided by: Thermalright
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Introduction

Thermalright has been a major player in the CPU cooling business for more than six years. I believe it was sometime in the fall of 2001 when I heard of them. My first experience with their products however wasn't until a little more than a year later when I picked up an SLK-800A. I was so impressed with their product and all the ones after that that I've used Thermalright heatsinks pretty much exclusively on my overclocked systems since. As Thermalright has grown as a company, so too has their product line expanded. They don't make just good CPU coolers anymore. Now you can get Thermalright video card coolers, chipset heatsinks, memory coolers and even water blocks! They also have their own brand of thermal compound. It seems that whenever Thermalright has seen a need for better cooling, they've provided a solution.

With the latest designs, many motherboard manufacturers have started producing boards with chipset/mosfet heatsink combinations linked together with heatpipes. To me this seems foolish; the idea behind a heatpipe is to move the heat from somewhere it's hot, to somewhere it's not. In this case, both the chipset and mosfets are very capable of producing equally extreme temperatures. It just doesn't make sense to connect the two together, unless you add a third section in a cool area or in the path of good airflow where the heat from both can travel to be dissipated.

Those owners who have ditched their stock board cooling for one of Thermalright's excellent chipset heatsinks now have something to keep their mosfets running cool as well. The HR-09 mosfet cooler was designed for those users with motherboards that either have an ineffective stock chipset/mosfet cooling system, or that don't have one at all. It's available in three "types" or basically three different lengths, and each one has both an upright or "U" version and a slanted or "S" version. Which one you need is going to depend on which motherboard you have, so you'll definitely want to check out the list of compatible models on their website before ordering.



After conferring with Thermalright and taking a measurement of my board, it was determined that I would need the HR-09 Type 2 U for my Biostar TForce 570 SLI. As you can see I have already placed some small ram-sinks strategically to help reduce the heat from some of the power components, but this particular board did not come with a stock mosfet cooling solution. You can spot the two mounting holes and the outline of where a cooler could be installed however, and it is the distance between these two holes that is needed to determine the proper HR-09 type.

Join me as I take a closer look at the Thermalright HR-09 Type 2 U mosfet cooler.


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