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Be Quiet! BK009 Pure Rock Heatsink & Fan, All Intel & AMD Sockets, 120mm PWM Fan

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Be Quiet! Pure Rock Heatsink & Fan
Quiet and Effective Cooling

With Pure Rock, be quiet! presents a CPU cooler series aimed at the Essential category of PC systems. Bringing be quiet!’s award-winning technology to quiet multimedia and graphics systems, and entry level computers of all types, be quiet! Pure Rock delivers an exceptional price-to-performance ratio.
Pure Rock’s compact design is compatible with all current Intel® and AMD™ sockets and fits well into tight spaces. Put famous be quiet! technology into your PC today for low noise operation and maximum of cooling performance at entry level segment.
If you are seeking the best possible mix of performance and price in the Essential CPU cooler segment, your search is over. Pure Rock simply has to be your choice.
Feature Details
Excellent Cooling Efficiency
• High cooling capacity for this category, at 130W TDP
• Four 6mm heat pipes with aluminum caps carry heat to cooling fins for high performance
Convenient, Highly Compatible Compact Design
• Compact design saves space, making cooler compatible with a vast array of equipment and possible installation configurations
• Design supports mounting from atop the mainboard, greatly increasing convenience
• Compatibility with all current Intel® and AMD™ sockets
Low-Noise Operation
• Nine blade silence-optimized 120mm be quiet! PWM fan with high-quality sleeve bearing is optimized for quietness and supports the best balance of cooling performance and silent operation
• Fan blades are airflow-optimized to reduce noise-generating turbulence
• Even at 100% PWM function, noise is a scant 26.8dB(A)
Product Conception, Design and Quality Control in Germany
• 3-year warranty
• Aluminum finish on top cover and aluminum heat pipe caps
• Quick support is available via our international hotline, Mondays to Fridays from 9:00am to 5:30pm (CET): +49 (0) 40-736 76 86 - 98


Product Description

Be Quiet! BK009 Pure Rock Heatsink & Fan, All Intel & AMD Sockets, 120mm PWM Fan


Heatsink and Fan



Processor Compatibility

Intel: LGA 775 / 1150 / 1151 / 1155 / 1156 / 1366 / LGA2011(-3) Square ILM



Fan Connector(s)

4-pin PWM


Black fan


Fin: Aluminium


0.66 kg

Fan Dimensions

120 x 120 x 25 mm

Heatsink Dimensions (LxWxH)

62.5 x 121 x 155 mm

Adjustable Fan Controller


Rotation Speed

1,500 RPM (100% PWM)

Fan Bearing

Sleeve Bearing

Air Flow

87cfm / 51.4m3/h (@ 12V)

Noise level

9.1 / 22.1 / 26.8 dB(A)


Input: 1.44W

Additional Features

Silence-optimized be quiet! fan


80,000 hours (approx.)

Package Type


Package Weight

0.7800 kg


3 Years

Cooler Dimensions

87.5 x 121 x 155 mm