BE QUIET! DARK ROCK 4 CPU COOLER, 200W TDP, INTEL & AMD, BK021

Virtually inaudible Silent Wings 135mm PWM fan
Achieves only 21.4dB(A) at maximum fan speed
Six high-performance copper heat pipes
Airflow-optimized, wave-contoured cooling fins
Easily installable black installation kit can be mounted from above
Supports an additional 120mm fan; clips are included in scope of delivery