Articles: Cooling

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Design and Functionality

The new cooler belongs to the tower type and measures 130 x 100 x 158 mm. Together with the fan it weighs 870g. This is what its heatsink looks like:


It consists of five independent arrays, each with its own 6mm heatpipe. So there are 5 heatpipes total. The heatsink arrays are spaced out equally and the gaps measure 2.8mm:

In fact, splitting the heatsink into 5 individual arrays is the key peculiarity of Scythe Mugen 2. Japanese engineers called this feature M.A.P.S. (Multiple Airflow Pass-through Structure). According to Scythe engineers, this “split” heatsink will not only improve heat dissipation from the parts of the heatsink around the heatpipes, but also increase the cooling efficiency of each individual heatsink array. They have also stressed that this stricture is best fit for Scythe Slip Stream 120 fans, one of which is bundled with Mugen 2.

Each heatsink array consists of 46 aluminum plates, each 0.35 mm thick that e spaced out at 2mm from one another:

The three central arrays are narrower than the two outside ones. They measure 22mm and 25mm respectively:

As for the length of the heatsink plates, it is the same for all arrays and measures 100mm. so, a simple mathematical calculation reveals that the total effective heat dissipating surface of the new Scythe Mugen 2 is 10,634cm2, which is almost 2,000cm2 bigger than that of the gigantic Scythe Orochi (8,702cm2), a little bigger than by a triple-heatsink Cooler Master V10 (10,569cm2) and is an absolute record among contemporary CPU coolers today.


I have to add that the ends of all heatpipes are covered with decoratively shaped aluminum caps.

There is an additional aluminum heatsink array 80x40mm at the bottom of the main heatsink. It contacts the top of the heatpipes above the base:

It’s most likely intended to take the heat away from the part of the heatpipes above the base plate that isn’t cooled in any way.


The heatpipes are glued to the base using thermal glue. There are no grooves in the base that we have been waiting for forever (by the way, there are grooves in the additional heatsink).

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