BE QUIET BK021 Dark Rock 4 135 mm Silent Wings Fan CPU Cooler - Black
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Product description
- Optimal ratio of cooling and volume with only 21.4 dB(A) at maximum speed
- 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
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