Product comparison · 2 computer cooling systems

be quiet! Dark Rock 2 vs be quiet! Shadow Rock Pro SR1

Key differences

Fan diameter
- Dark Rock 2:13.5 cm
- Shadow Rock Pro SR1:12 cm
Rotational speed (max)
- Dark Rock 2:1300 RPM
- Shadow Rock Pro SR1:1700 RPM
Noise level (low speed)
- Dark Rock 2:8.7 dB
- Shadow Rock Pro SR1:7.8 dB
Noise level (high speed)
- Dark Rock 2:21.2 dB
- Shadow Rock Pro SR1:21.4 dB
Maximum airflow
- Dark Rock 2:57.9 cfm
- Shadow Rock Pro SR1:57.2 cfm
Airflow
- Dark Rock 2:96.8 m³/h
- Shadow Rock Pro SR1:93.3 m³/h
Maximum air pressure
- Dark Rock 2:1.64 mmH2O
- Shadow Rock Pro SR1:2.1 mmH2O
Mean time between failures (MTBF)
- Dark Rock 2:300000 h
- Shadow Rock Pro SR1:200000 h

Differences highlightedShow differences only

Comparison of Dark Rock 2, Shadow Rock Pro SR1
25 specifications	A be quiet! Dark Rock 2 View product	B be quiet! Shadow Rock Pro SR1 View product
Performance8 differ
Suitable location	Processor	Processor
Type	Cooler	Cooler
Fan diameterDiffers	13.5 cm	12 cm
Supported processor sockets	Socket 754, Socket 939, Socket 940	Socket 754, Socket 939, Socket 940
Rotational speed (max)Differs	1300 RPM	1700 RPM
Noise level (low speed)Differs	8.7 dB	7.8 dB
Noise level (high speed)Differs	21.2 dB	21.4 dB
Maximum airflowDiffers	57.9 cfm	57.2 cfm
AirflowDiffers	96.8 m³/h	93.3 m³/h
Maximum air pressureDiffers	1.64 mmH2O	2.1 mmH2O
Mean time between failures (MTBF)Differs	300000 h	200000 h
Designidentical
Product colour	Black	Black
Power3 differ
Power consumption (typical)Differs	2.64 W	2.4 W
Voltage	12 V	12 V
Rated currentDiffers	0.25 A	0.2 A
Thermal Design Power (TDP)Differs	180 W	150 W
Weight & dimensions5 differ
WidthDiffers	97 mm	122 mm
DepthDiffers	138 mm	98 mm
HeightDiffers	166 mm	158 mm
WeightDiffers	860 g	740 g
Fan dimensions (W x D x H)Differs	135 x 135 x 25 mm	120 x 120 x 25 mm
Cable length	0.2 m	0.2 m
Technical details1 differ
Bearing technologyDiffers	FDB	Rifle
Other features1 differ
Heatsink dimensions (W x D x H)Differs	96 x 166 x 95 mm	123 x 158 x 71 mm
Connector(s)	4p PWM	4p PWM

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.