Article number: BK009


Quiet and Effective Cooling

Pure Rock is be quiet!’s CPU cooler, which is particularly applicable to quiet multimedia and graphics systems. Among the features that give it such an excellent price-to-performance ratio are:

  • A high 150W TDP cooling efficiency
  • Design supports mounting from atop the mainboard
  • Four high-performance 6mm heat pipes with aluminum caps
  • A silence-optimized, nine blade, 120mm be quiet! fan
  • PWM variable speed operation to help balance cooling and quietness
  • Brushed aluminum finish
  • 3-year warranty

For famous be quiet! low noise operation (max. 26,8 dB(A)) at entry level pricing, Pure Rock is your CPU cooler choice.




An exceptional price-to-performance ratio

Pure Rock is aimed at the essential category of PC systems. With 150W TDP it offers an excellent cooling capacity for multimedia and graphics systems, as well as entry level computers of all types.


Fits well into tight spaces

The compact design of Pure Rock saves space and makes this cooler compatible with a vast array of equipment and possible installation configurations. It is also very convenient to install, thanks to the fact you can mount it from above the motherboard.


Ensuring perfect heat transfer

Pure Rock is equipped with four 6mm heat pipes that have aluminum caps. This is key to its great cooling performance, because they transport the heat to optimum locations on the cooling fins.


Only 26.8dB(A) even at 100% PWM function

The silence-optimized 120mm be quiet! PWM fan with high-quality sleeve bearing facilitates the best balance between cooling performance and silent operation. The nine blades of the fan are airflow-optimized to reduce noise-generating turbulence.

All models at a glance:


General data

Model Pure Rock
Overall dimensions without mounting material (L x W x H), (mm) 87.5 x 121 x 155
Total weight (kg) 0.66
TDP (W) 150
Socket compatibility Intel: LGA 115x / 1366 / LGA2011(-3) Square ILM / 2066
AMD: AM2(+) / AM3 (+) / AM4 / FM1 / FM2 (+)
Fan model, number 1x silence-optimized be quiet! fan
Decoupled fan mounting -
Overall noise level (dB(A)) @ 50/75/100% (rpm) 19.1 / 22.1 / 26.8


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Heatsink specifications

Dimensions (L x W x H), (mm) 62.5 x 121 x 155
Number of fins 48
Fin material Aluminum
Base material Copper
CPU contact surface CNC machined
Heatpipe number / Diameter (mm) 4 / 6
Surface treatment -

Fan specifications

Fan dimensions (mm) 120 x 120 x 25
Speed @ 100% PWM /12V (rpm) 1,500
Bearing technology Sleeve
Motor technology 4-pole fan motor
Rated Voltage (V) 12
Input current (A) 0.12
Input power (W) 1.44
Connector 4-pin PWM
Cable length (mm) 220
Lifespan (h / 25°C) 80,000


Thermal grease - (already applied)
Mounting set Intel & AMD
Y-Cable -
User manual languages EN, DE, FR, PL, ES, RU, TW, CN


Warranty (Years) 3
International hotline / free of charge ✓ / DE, FR

Logistics data, RRP

Article number BK009
EAN code 4260052183915
Dimensions, package (L x W x H), (mm) 180 x 130 x 180
Gross weight, package (kg) 0.78
Pieces per packaging unit 16
Dimensions, shipping box (L x W x H), (mm) 542 x 375 x 380
Gross weight, shipping box (kg) 16.70
RRP (€) 39.00

Article number: BK009


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