Product comparison · 2 computer cooling systems

ARCTIC F9 PWM PST CO vs be quiet! Dark Rock 2

17specifications compared
15differ
2identical
23known for one product only

Key differences

Suitable location
- F9 PWM PST CO:Computer case
- Dark Rock 2:Processor
Type
- F9 PWM PST CO:Fan
- Dark Rock 2:Cooler
Fan diameter
- F9 PWM PST CO:9.2 cm
- Dark Rock 2:13.5 cm
Rotational speed (max)
- F9 PWM PST CO:1800 RPM
- Dark Rock 2:1300 RPM
Noise level (high speed)
- F9 PWM PST CO:25 dB
- Dark Rock 2:21.2 dB
Maximum airflow
- F9 PWM PST CO:43 cfm
- Dark Rock 2:57.9 cfm
Airflow
- F9 PWM PST CO:73.1 m³/h
- Dark Rock 2:96.8 m³/h
Rated current
- F9 PWM PST CO:0.16 A
- Dark Rock 2:0.25 A

Side by side

Differences highlightedShow differences only

Comparison of F9 PWM PST CO, Dark Rock 2
40 specifications	A ARCTIC F9 PWM PST CO View product	B be quiet! Dark Rock 2 View product
Performance8 differ
Suitable locationDiffers	Computer case	Processor
TypeDiffers	Fan	Cooler
Fan diameterDiffers	9.2 cm	13.5 cm
Supported processor socketsDiffers	Not supported	Socket 754, Socket 939, Socket 940
Compatible processor seriesKnown for one	Not supported	Unknown — not stated by the source
Rotational speed (min)Known for one	550 RPM	Unknown — not stated by the source
Rotational speed (max)Differs	1800 RPM	1300 RPM
Noise level (high speed)Differs	25 dB	21.2 dB
Noise levelKnown for one	0.4 sone	Unknown — not stated by the source
Maximum airflowDiffers	43 cfm	57.9 cfm
AirflowDiffers	73.1 m³/h	96.8 m³/h
Pulse-width modulation (PWM) supportKnown for one	Yes	Unknown — not stated by the source
Bearing typeKnown for one	Ball bearing	Unknown — not stated by the source
Noise level (low speed)Known for one	Unknown — not stated by the source	8.7 dB
Maximum air pressureKnown for one	Unknown — not stated by the source	1.64 mmH2O
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	300000 h
Designidentical
Product colour	Black	Black
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan connectorKnown for one	4-pin	Unknown — not stated by the source
Power1 differ
Voltage	12 V	12 V
Rated currentDiffers	0.16 A	0.25 A
Power consumption (typical)Known for one	Unknown — not stated by the source	2.64 W
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	180 W
Weight & dimensions5 differ
WidthDiffers	92 mm	97 mm
DepthDiffers	25 mm	138 mm
HeightDiffers	92 mm	166 mm
WeightDiffers	85 g	860 g
Cable lengthDiffers	0.4 m	0.2 m
Package widthKnown for one	96 mm	Unknown — not stated by the source
Package depthKnown for one	27 mm	Unknown — not stated by the source
Package heightKnown for one	96 mm	Unknown — not stated by the source
Package weightKnown for one	108 g	Unknown — not stated by the source
Fan dimensions (W x D x H)Known for one	Unknown — not stated by the source	135 x 135 x 25 mm
Technical details1 differ
Bearing technologyDiffers	Double ball bearing	FDB
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Packaging contentidentical
Screws includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Mounting hole pattern (W x D)Known for one	82.5 x 82.5 mm	Unknown — not stated by the source
Heatsink dimensions (W x D x H)Known for one	Unknown — not stated by the source	96 x 166 x 95 mm
Connector(s)Known for one	Unknown — not stated by the source	4p PWM
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733080	Unknown — not stated by the source

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.

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