BE QUIET BK021 Dark Rock 4 135 mm Silent Wings Fan CPU Cooler – Black


SKU: B07BYP9S95 Category:


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