Dark Rock Pro TR4 offers an immense cooling performance of 250W TDP and virtually inaudible operation. Excellent for high-end systems and demanding workstations. Features Designed for AMD TR4 only Two virtually inaudible Silent Wings PWM fans Funnel-shaped frame of the front fan for high air pressure Achieves only 24. 3d B(A) at maximum fan speed Seven high-performance copper heat pipes Airflow-optimized cooling fins; cutouts enhance the RAM compatibility Easily installable black installation kit can be mounted from above Brushed aluminum top cover with diamond cut finish 3-year manufacturer\'s warranty IMMENSE COOLING POWER For AMD TR4 motherboards No compromise in silence and performance for overclocked systems and demanding graphics applications! Dark Rock Pro TR4 is designed for AMD TR4 only and provides an impressive rating of 250W TDP. VIRTUALLY INAUDIBLE OPERATION Even at 100% PWM fan speed noise is an insignificant 24. 3d B(A) The two Silent Wings PWM fans feature advanced fluid-dynamic bearings, smooth six-pole motors and airflow-optimized fan blades. The front Silent Wings 3 fan provides extremely high air pressure, thanks to a funnel-shaped air inlet in the frame. Decoupled fan mounting with vibration-isolating elements on the heat sink. HIGHLY ADVANCED DESIGN The core features that result in high-end cooling Dark Rock Pro TR4 is equipped with seven advanced technology 6mm copper heat pipes that maximize the heat conductance. Airflow-optimized, wave-contoured cooling fins with small dots on their surfaces increase the air circulation. The special black coating with ceramic particles makes a perfect transfer of heat possible. DOUBLE-TOWER LAYOUT Powerful cooling for your components Dark Rock Pro TR4 contains two aluminum heat sinks. The cutouts provided enhance its RAM compatibility. Two fans are pre-installed. It is also possible to add another 120mm fan for even better cooling. USER-FRIENDLY ELEGANCE Stylish and easy to install The mounting kit for the Dark R