ARCTIC Freezer A30 Extreme CPU Cooler - AMD, 320W Ultimate Cooling Power, Direct-Touch Heatpipes The Freezer A30 can be mounted in all 4 directions in order to satisfy different air flow preferences due to various PC case and hardware configurations. The Freezer A30 heatsink consists of 4 double-sided direct touch heatpipes, 8mm in diameter. A patented process allows us to pack the heatpipes without gaps and thus increase the contact surface and achieve better flatness by precision machining -both leading to an improved heat transfer. The Freezer A30 had 4 direct touch heatpipes, 48 Aluminum fins, an interchangeable 120 mm PWM Fan, and the famous ARCTIC MX-4 thermal compound (included). It offers superior cooling performance with a maximum cooling capacity of 320 Watts and lots of headroom for overclocking. Due to the low-noise impeller of the ARCTIC F12 PWM fan and the rubber vibration absorbers, the Freezer A30 generates a negligible noise level of only 0.3 Sone even at full speed (1,350 RPM). Furthermore, as controlled by PWM signal, this fan runs only at the optimized speed based on actual needs, which in turns minimizes the noise level further.