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The copper based dual-heatpipe heat sink with extra slim fins and an additional cooling Extendor maximizes heat dissipation by linking the North Bridge high-fin heat-sink via a heatpipe to on extra high-fin heat-sink.
The Digital PWM silent cooling heat sink consists of extra slim and extra high fins thereby effectively increasing cooling. In addition this special design utilizes the airflow of the CPU cooler to blow heat out of your case through the back panel. You also have the option to mount an extra active fan on top of the heat sink.