Product comparison · 2 computer cooling systems

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

Key differences

Noise level (high speed)
- PURE WINGS 2, 120mm:19.2 dB
- SILENT WINGS 2 PWM 120mm:16.5 dB
Maximum airflow
- PURE WINGS 2, 120mm:51.4 cfm
- SILENT WINGS 2 PWM 120mm:50.5 cfm
Airflow
- PURE WINGS 2, 120mm:87 m³/h
- SILENT WINGS 2 PWM 120mm:85.8 m³/h
Maximum air pressure
- PURE WINGS 2, 120mm:1.25 mmH2O
- SILENT WINGS 2 PWM 120mm:1.63 mmH2O
Mean time between failures (MTBF)
- PURE WINGS 2, 120mm:80000 h
- SILENT WINGS 2 PWM 120mm:300000 h
Certification
- PURE WINGS 2, 120mm:CE, TÜV, UL
- SILENT WINGS 2 PWM 120mm:CE, WEEE, RU, Tüv
Power consumption (typical)
- PURE WINGS 2, 120mm:1.08 W
- SILENT WINGS 2 PWM 120mm:2.4 W
Weight
- PURE WINGS 2, 120mm:140 g
- SILENT WINGS 2 PWM 120mm:180 g

Differences highlightedShow differences only

Comparison of PURE WINGS 2, 120mm, SILENT WINGS 2 PWM 120mm
29 specifications	A be quiet! PURE WINGS 2, 120mm View product	B be quiet! SILENT WINGS 2 PWM 120mm View product
Performance5 differ
Noise level (high speed)Differs	19.2 dB	16.5 dB
Maximum airflowDiffers	51.4 cfm	50.5 cfm
AirflowDiffers	87 m³/h	85.8 m³/h
Maximum air pressureDiffers	1.25 mmH2O	1.63 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	0.12 A
Maximum currentKnown for one	0.09 A	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	140 g	180 g
Package weightKnown for one	Unknown — not stated by the source	282 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 150 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.