Product comparison · 2 computer cooling systems

be quiet! PURE WINGS 2, 120mm vs be quiet! SILENT WINGS 2 PWM 140mm

Key differences

Fan diameter
- PURE WINGS 2, 120mm:12 cm
- SILENT WINGS 2 PWM 140mm:14 cm
Rotational speed (max)
- PURE WINGS 2, 120mm:1500 RPM
- SILENT WINGS 2 PWM 140mm:1000 RPM
Noise level (high speed)
- PURE WINGS 2, 120mm:19.2 dB
- SILENT WINGS 2 PWM 140mm:16.4 dB
Maximum airflow
- PURE WINGS 2, 120mm:51.4 cfm
- SILENT WINGS 2 PWM 140mm:60.4 cfm
Airflow
- PURE WINGS 2, 120mm:87 m³/h
- SILENT WINGS 2 PWM 140mm:102.6 m³/h
Maximum air pressure
- PURE WINGS 2, 120mm:1.25 mmH2O
- SILENT WINGS 2 PWM 140mm:0.81 mmH2O
Mean time between failures (MTBF)
- PURE WINGS 2, 120mm:80000 h
- SILENT WINGS 2 PWM 140mm:300000 h
Certification
- PURE WINGS 2, 120mm:CE, TÜV, UL
- SILENT WINGS 2 PWM 140mm:CE, WEEE, RU, Tüv

Differences highlightedShow differences only

Comparison of PURE WINGS 2, 120mm, SILENT WINGS 2 PWM 140mm
29 specifications	A be quiet! PURE WINGS 2, 120mm View product	B be quiet! SILENT WINGS 2 PWM 140mm View product
Performance7 differ
Fan diameterDiffers	12 cm	14 cm
Rotational speed (max)Differs	1500 RPM	1000 RPM
Noise level (high speed)Differs	19.2 dB	16.4 dB
Maximum airflowDiffers	51.4 cfm	60.4 cfm
AirflowDiffers	87 m³/h	102.6 m³/h
Maximum air pressureDiffers	1.25 mmH2O	0.81 mmH2O
Mean time between failures (MTBF)Differs	80000 h	300000 h
Design1 differ
CertificationDiffers	CE, TÜV, UL	CE, WEEE, RU, Tüv
Power1 differ
Power consumption (typical)Differs	1.08 W	2.4 W
Rated currentKnown for one	Unknown — not stated by the source	0.08 A
Maximum currentKnown for one	0.09 A	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	120 mm	140 mm
DepthDiffers	120 mm	140 mm
WeightDiffers	140 g	300 g
Package weightKnown for one	Unknown — not stated by the source	344 g
Technical detailsidentical
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Other featuresidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	235 x 170 x 37 mm
Connector(s)Known for one	Unknown — not stated by the source	4p
Country of originKnown for one	China	Unknown — not stated by the source
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.