Product comparison · 2 computer cooling systems

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

Key differences

Fan diameter
- Dark Rock Pro 2:13.5 cm
- Shadow Rock Pro SR1:12 cm
Noise level (low speed)
- Dark Rock Pro 2:13.50 dB
- Shadow Rock Pro SR1:7.8 dB
Noise level (high speed)
- Dark Rock Pro 2:26.40 dB
- Shadow Rock Pro SR1:21.4 dB
Maximum airflow
- Dark Rock Pro 2:113.8 cfm
- Shadow Rock Pro SR1:57.2 cfm
Mean time between failures (MTBF)
- Dark Rock Pro 2:300000 h
- Shadow Rock Pro SR1:200000 h
Power consumption (typical)
- Dark Rock Pro 2:2.64 W
- Shadow Rock Pro SR1:2.4 W
Rated current
- Dark Rock Pro 2:0.25 A
- Shadow Rock Pro SR1:0.2 A
Thermal Design Power (TDP)
- Dark Rock Pro 2:220 W
- Shadow Rock Pro SR1:150 W

Differences highlightedShow differences only

Comparison of Dark Rock Pro 2, Shadow Rock Pro SR1
29 specifications	A be quiet! Dark Rock Pro 2 View product	B be quiet! Shadow Rock Pro SR1 View product
Performance5 differ
Fan diameterDiffers	13.5 cm	12 cm
Rotational speed (min)Known for one	1500 RPM	Unknown — not stated by the source
Noise level (low speed)Differs	13.50 dB	7.8 dB
Noise level (high speed)Differs	26.40 dB	21.4 dB
Minimum airflow (imperial)Known for one	67.8 cfm	Unknown — not stated by the source
Maximum airflowDiffers	113.8 cfm	57.2 cfm
Minimum air pressureKnown for one	1.82 mmH2O	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	300000 h	200000 h
Designidentical
Number of fansKnown for one	2 fan(s)	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	2.64 W	2.4 W
Rated currentDiffers	0.25 A	0.2 A
Thermal Design Power (TDP)Differs	220 W	150 W
Weight & dimensions4 differ
WidthDiffers	147 mm	122 mm
DepthDiffers	138 mm	98 mm
HeightDiffers	166 mm	158 mm
WeightDiffers	1.25 kg	740 g
Fan dimensions (W x D x H)Known for one	Unknown — not stated by the source	120 x 120 x 25 mm
Cable lengthKnown for one	Unknown — not stated by the source	0.2 m
Technical details1 differ
Bearing technologyDiffers	FDB	Rifle
Other features2 differ
Heatsink dimensions (W x D x H)Differs	124 x 166 x 122 mm	123 x 158 x 71 mm
Connector(s)Differs	4-pin 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.