be quiet! Dark Rock 4 NO COMPROMISE SILENCE & PERFORMANCE The be quiet! Dark Rock 4 CPU cooler is capable of keeping even power-hungry processors cool. With cooling performance of 200W TDP and almost inaudible operation, the be quiet! Dark Rock 4 is a great choice for your overclocked system or for heavy-load workstations. Almost Inaudible JUST 21.4dB(A) AT 100% FAN SPEED The be quiet! Dark Rock 4 utilises a Silent Wings 135mm PWM fan to push air through the heatsink. Featuring a fluid-dynamic bearing for reliability, six-pole motor for reduced vibration, and nine fan blades for optimised airflow, the heatsink also uses a decoupled fan mounting and vibration-isolating elements to reduce noise even further. A Single Tower POWERFUL COOLING IN A COMPACT FORM FACTOR The be quiet! Dark Rock 4 is a single tower heatsink design capable of achieving excellent heat dissipation despite its compact form. You can even add a second fan on the other side for improved air flow and even better cooling. Advanced Heatsink Design DESIGNED FOR HIGH-END COOLING Equipped with six 6mm copper heat pipes to maximise conductance be quiet! Dark Rock 4 heatsink features fin design that is optimised for airflow and circulation, with a special ceramic black coating for improved heat transfer.
