Articles: Cooling
 

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Design and Functionality

Ok, it is time to meet our today’s hero – Thermalright Spitfire:

 

The cooler is huge. You can check out its dimensions on the following scheme:

As a rule, air coolers of such size are usually designed for processors, namely for the most powerful ones. Thermalright Spitfire is also threateningly heavy for a graphics card: 550 grams! And that is the net weight: without the retention brackets and fans.

The design of this new cooler is neither unique nor remarkable. There are six copper heatpipes 6 mm in diameter coming out of the copper base. These heatpipes pierce aluminum heatsink plates:

Each of these heatpipes goes through an individual heatsink array. As you understand there are a total of six arrays. Each has 50 aluminum plates 0.5 mm thick and spaced out at 2.0 mm from one another. The heatsink arrays are covered with two solid plates at the top and at the bottom, which makes the heatsink sturdy and robust. The gaps between the heatsink arrays are about 5-6 mm:

 

I would also like to point out that heatsink plates are perforated, which helps Spitfire to remain highly efficient even with low-speed cooling fans. The heatpipes and plates are soldered together, and so are the heatpipes and the cooler base:

The thinnest part of the base plate beneath the heatpipes is 2 mm. The base plate is slightly convex on both sides, but it is not crucial for graphics cards with “naked” chips, because the contact surface is fairly small:

All Spitfire parts are covered with a thin layer of some nickel alloy. I would like to add that according to Thermalright, Spitfire as well as all other coolers from this manufacturer use high-tech sintered copper powder wick heatpipes.

 
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