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BE QUIET! Dark Rock Pro 4 CPU Cooler - Ultra Quiet Option

Manufacturer be quiet!
Model Dark Rock Pro 4
Socket Support Intel & AMD
Max Cooling 250 Watts
Heatpipes Yes - 7
Fan Size 135mm + 120mm
Fan Speed 1200 / 1500 RPM
Noise Level (dB(A))@50/75/100% 12.8/17.9/24.3


Even at 100% PWM fan speed noise is an insignificant 24.3dB(A)

The two Silent Wings PWM fans feature advanced fluid-dynamic bearings, smooth six-pole motors and airflow-optimized fan blades. The front Silent Wings 3 fan provides extremely high air pressure, thanks to a funnel-shaped air inlet in the frame. Decoupled fan mounting with vibration-isolating elements on the heat sink.


Achieving an incredible performance-to-noise ratio

No compromise in silence and performance for overclocked systems and demanding graphics applications! Dark Rock Pro 4 provides an impressive rating of 250W TDP and achieves low temperatures even during periods of peak CPU performance. 

Heatsink specifications

Dimensions (L x W x H), (mm) 123.7 x 136 x 162.8
Number of fins 90
Fin material Aluminum
Base material Copper
CPU contact surface CNC machined
Heatpipe number / Diameter (mm) 7, 6
Surface treatment Aluminum / black ceramic spray painted

Fan specifications

Fan dimensions (mm) 135 x 135 x 22 / 120 x 120 x 25
Speed @ 100% PWM (rpm) 1,200 / 1,500
Bearing technology Fluid Dynamic Bearing
Motor technology 6-pole fan motor
Rated voltage (V) 12
Input current (A) 0.08 / 0.08
Input power (W) 0.96 / 0.96
Connector 4-pin PWM
Cable length (mm) 220 / 220
Lifespan (h / 25°C) 300,000



Thermal grease (g) Corning TC-5121C / 0.5
Mounting set Intel & AMD
User manual languages DE, EN, FR, ES, PL, RU




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