Be Quiet! Dark Rock 4 (BK021)

Home Cpu Cooler Be Quiet! Dark Rock 4

Product Specification

General
Cooler Type : CPU Air Cooler
Bearing Type : Fluid Dynamic Bearings (FDB)
Connectors : 4-Pin
Control Method : PWM (Pulse Width Modulation)
Fan Size : 135 mm
Fan Thickness : 0.92" / 23.3 mm
Fan Speed : 1400 rpm
Noise Level : 10.5 to 21.4 dBA
Power Consumption : 1.32 W
Cooling
Recommended TDP : 200 W
CPU Cooler Overall Height : 6.28" / 159.51 mm
CPU Cooler Length x Width : 5.4 x 3.8" / 137.2 x 96.5 mm
Packaging Info
Package Weight : 3.265 lb
Box Dimensions (LxWxH) : 8.55 x 8.3 x 5.9"

be quiet! Dark Rock 4, BK021, 200W TDP, CPU Cooler

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Product Features

  • 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
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Out of Stock · Last Checked At: Oct 26, 2026
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Product Specification

General
Cooler Type : CPU Air Cooler
Bearing Type : Fluid Dynamic Bearings (FDB)
Connectors : 4-Pin
Control Method : PWM (Pulse Width Modulation)
Fan Size : 135 mm
Fan Thickness : 0.92" / 23.3 mm
Fan Speed : 1400 rpm
Noise Level : 10.5 to 21.4 dBA
Power Consumption : 1.32 W
Cooling
Recommended TDP : 200 W
CPU Cooler Overall Height : 6.28" / 159.51 mm
CPU Cooler Length x Width : 5.4 x 3.8" / 137.2 x 96.5 mm
Packaging Info
Package Weight : 3.265 lb
Box Dimensions (LxWxH) : 8.55 x 8.3 x 5.9"