Product comparison · 2 computer cooling systems

be quiet! SILENT WINGS 2 PWM 140mm vs Zalman CNPS9900DF computer cooling system Processor Cooler

11specifications compared
9differ
2identical
22known for one product only

Key differences

Suitable location
- SILENT WINGS 2 PWM 140mm:Computer case
- CNPS9900DF computer cooling system Processor Cooler:Processor
Type
- SILENT WINGS 2 PWM 140mm:Fan
- CNPS9900DF computer cooling system Processor Cooler:Cooler
Rotational speed (max)
- SILENT WINGS 2 PWM 140mm:1000 RPM
- CNPS9900DF computer cooling system Processor Cooler:1400 RPM
Noise level (high speed)
- SILENT WINGS 2 PWM 140mm:16.4 dB
- CNPS9900DF computer cooling system Processor Cooler:27 dB
Maximum airflow
- SILENT WINGS 2 PWM 140mm:60.4 cfm
- CNPS9900DF computer cooling system Processor Cooler:6800 cfm
Width
- SILENT WINGS 2 PWM 140mm:140 mm
- CNPS9900DF computer cooling system Processor Cooler:110 mm
Height
- SILENT WINGS 2 PWM 140mm:25 mm
- CNPS9900DF computer cooling system Processor Cooler:154 mm

Side by side

Differences highlightedShow differences only

Comparison of SILENT WINGS 2 PWM 140mm, CNPS9900DF
33 specifications	A be quiet! SILENT WINGS 2 PWM 140mm View product	B Zalman CNPS9900DF computer cooling system Processor Cooler Model CNPS9900DF View product
Performance7 differ
Suitable locationDiffers	Computer case	Processor
TypeDiffers	Fan	Cooler
Supported processor socketsDiffers	Not supported	Socket AM2, Socket AM2+, Socket AM3, Socket AM3+, Socket FM1, Socket FM2
Compatible processor seriesDiffers	Not supported	Intel® Celeron® D, Intel® Pentium® 4, Intel® Pentium® D, Intel® Pentium® Dual-Core, AMD Phenom II X2
Rotational speed (max)Differs	1000 RPM	1400 RPM
Noise level (high speed)Differs	16.4 dB	27 dB
Maximum airflowDiffers	60.4 cfm	6800 cfm
AirflowKnown for one	102.6 m³/h	Unknown — not stated by the source
Maximum air pressureKnown for one	0.81 mmH2O	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	300000 h	Unknown — not stated by the source
Rotational speed (min)Known for one	Unknown — not stated by the source	900 RPM
Noise level (low speed)Known for one	Unknown — not stated by the source	19 dB
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
CertificationKnown for one	CE, WEEE, RU, Tüv	Unknown — not stated by the source
MaterialKnown for one	Unknown — not stated by the source	Copper
Number of fansKnown for one	Unknown — not stated by the source	2 fan(s)
Number of heat pipesKnown for one	Unknown — not stated by the source	3
Illumination LEDKnown for one	Unknown — not stated by the source	Yes
Illumination colourKnown for one	Unknown — not stated by the source	Blue
Poweridentical
Power consumption (typical)Known for one	2.4 W	Unknown — not stated by the source
VoltageKnown for one	12 V	Unknown — not stated by the source
Rated currentKnown for one	0.08 A	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	140 mm	110 mm
HeightDiffers	25 mm	154 mm
WeightKnown for one	300 g	Unknown — not stated by the source
Cable lengthKnown for one	0.45 m	Unknown — not stated by the source
Package weightKnown for one	344 g	Unknown — not stated by the source
Technical detailsidentical
Bearing technologyKnown for one	FDB	Unknown — not stated by the source
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Other featuresidentical
Package dimensions (WxDxH)Known for one	235 x 170 x 37 mm	Unknown — not stated by the source
Connector(s)Known for one	4p	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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