Articles: Cooling

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Design and Functionality

Let’s now take a closer look at the new product from Cooler Master.



It is an attractive-looking tower-design cooler that weighs 836 grams and measures 163.3 x 157.3 x 113.8 millimeters.

It is based on six copper heat pipes, 6 millimeters in diameter, which pierce a copper base. There are 54 aluminum fins, 0.5 mm thick and 1.8 mm apart from each other, press-fitted on the pipes.


A 120mm fan is installed on one side of the heatsink. The latter is topped by a decorative plastic cap with the manufacturer’s name.


We can see three special features in the X6 Elite design. First of all, its heatsink has a honeycomb structure: the fins are bent in such a way as to resemble honeycomb cells. Cooler Master claims that this helps enlarge the heatsink’s useful area by 20% and improve the cooler’s performance.

The second key feature of the X6 Elite is that the base is turned around relative to the heatsink fins. When installed, the cooler is not going to face the back or top panel of the system case directly, but will take an in-between position instead. Again, Cooler Master claims that this ensures more optimal air flows and, consequently, higher cooling performance.

On the other hand, we must note that the fins are simply press-fitted on the pipes while the pipes are connected to the base with thermal glue. These are the cheapest and simplest, yet also the least efficient, means of connecting metallic parts in CPU coolers.

The heat pipes are shifted relative to each other in the heatsink, which is a popular solution. The cooler's copper base is finished well, even though not to a mirror shine:

More importantly, the contact surface of the cooler’s base, measuring 36x34 millimeters, is exceptionally flat. The thermal grease imprint is just perfect:

Now, the third key feature of the X6 Elite is called Air Duct (they might have called it “f-duct” as an allusion to the F1 Mercedes Petronas AMGF W03). It refers to the two plastic pieces on the fan that are also used for fastening the latter.

These plates are supposed to form two additional tunnels for the outside air to flow into the heatsink from the sides. The explanation looks dubious to us, though, because the fan might be installed on conventional silicone pins so that the sides of the heatsink were open to get as much air as needed.

The speed of the 120mm XtraFlo series fan is PWM-regulated from 600 to 1800 RPM producing an air flow of 24 to 70 CFM at 9 to 34.6 dBA of noise. The fan can produce a static pressure of 0.3 to 2.14 millimeters of water. The sleeve bearing is specified to last 30,000 hours (or 3.4 years) continuously. The electrical specs can be read from the fan’s label:

We can only add that the fan could start up at 6.5 volts and consumed no more than 3.8 watts. Its 4-pin cable is 300 millimeters long.

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