This Arctic Freezer 13 Heat Sink and Fan delivers the ultimate cooling solution for your Intel or AMD CPUs. This Freezer 13 Heat Sink and Fan features a 42-fin aluminum heat sink with copper base and 8 copper heatpipes (4 double-sided) and an extremely quiet 92 mm (3.6-inch) fan. The PWM chip in the motor allows an exact fan speed control via BIOS. With integrated Cooling of Voltage Converters, air is drawn in from the side of the fan to cool the components around the CPU. This Freezer 13 is the perfect cooling solution for overclocked CPUs.