Superior cooling perfomance an interchangeable 120 mm pwm fan in combination with 4 direct touch heatpipes and a 48 fin heatsink enable the freezer i30 co to deliver outstanding cooling performance and improve heat dissipation from the cpu according to the test results from hardware secrets its superior cooling performance surpassed the stock cooler and similar models by up to 34 degrees low noise the test in toms hardware has shown that the freezer i30 co is the quietest cooler in their r