# be quiet! Dark Rock 4 200W TDP CPU Cooler| Intel 1700 1200 2066 1150 1151 1155 2011 Square ILM | AMD4 AMD5 | Black | BK021

- Category: CPU Cooler
- Brand: be quiet!
- Model: Dark Rock 4
- Part number: BK021
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.7/5 from 4501 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/cpu-cooler/be-quiet-dark-rock-4-bk021/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | Dark Rock 4 |
| FAN RPM | 1400 RPM |
| Noise Level | 10.5 to 21.4 dBA |
| Number of Fans | 1 |
| Water Cooled | No |
| Color | Black |

## Key Features

- QUIET PERFORMANCE: Features a virtually inaudible Silent Wings 135mm PWM fan, producing only 21.4dB(A) at peak speed.
- EFFICIENT COOLING: Employs 6 high-performance copper heat pipes complemented by airflow-optimized, wave-contoured cooling fins for maximum heat dissipation.
- FLEXIBLE SETUP: Comes with an easily installable black installation kit that mounts from above, and supports an additional 120mm fan with clips included.
- WARRANTY: Backed by a trustworthy 3-year manufacturer’s warranty.
- German Design I German Engineering I German Quality I German Performance

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