The CPU cooler we are testing today is the Gammaxx 400, which has a tower heatsink with four U-shaped heatpipes and one 120 mm fan. Although this cooler is manufactured by Deepcool, it may be found in the U.S. under the Logisys brand.

The box of the Gammaxx 400 uses the typical white-and-blue pattern from other Deepcool products. You can see the box in Figure 1.

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Figure 1: Package

Figure 2 shows the contents of the box: heatsink, fan, a small bag of thermal compound, a manual, and installation hardware. The cooler comes with only one fan, but you can install a second optional 120 mm fan; the wire clips to install the second fan are included.

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Figure 2: Accessories

Figure 3 displays the Gammaxx 400 heatsink.

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Figure 3: The Gammaxx 400

This cooler is discussed in detail in the following pages.