Product comparison · 2 computer cooling systems

be quiet! SILENT WINGS 4 | 120mm PWM vs be quiet! SILENT WINGS 4 | 140mm PWM

Key differences

Fan diameter
- SILENT WINGS 4 | 120mm PWM:12 cm
- SILENT WINGS 4 | 140mm PWM:14 cm
Rotational speed (max)
- SILENT WINGS 4 | 120mm PWM:1600 RPM
- SILENT WINGS 4 | 140mm PWM:1100 RPM
Noise level (high speed)
- SILENT WINGS 4 | 120mm PWM:18.9 dB
- SILENT WINGS 4 | 140mm PWM:13.6 dB
Maximum airflow
- SILENT WINGS 4 | 120mm PWM:48.7 cfm
- SILENT WINGS 4 | 140mm PWM:51.3 cfm
Airflow
- SILENT WINGS 4 | 120mm PWM:82.74 m³/h
- SILENT WINGS 4 | 140mm PWM:87.16 m³/h
Maximum air pressure
- SILENT WINGS 4 | 120mm PWM:1.79 mmH2O
- SILENT WINGS 4 | 140mm PWM:0.92 mmH2O
Power consumption (typical)
- SILENT WINGS 4 | 120mm PWM:1.44 W
- SILENT WINGS 4 | 140mm PWM:3.6 W
Maximum current
- SILENT WINGS 4 | 120mm PWM:0.13 A
- SILENT WINGS 4 | 140mm PWM:0.33 A

Differences highlightedShow differences only

Comparison of SILENT WINGS 4 | 120mm PWM, SILENT WINGS 4 | 140mm PWM
43 specifications	A be quiet! SILENT WINGS 4 \| 120mm PWM View product	B be quiet! SILENT WINGS 4 \| 140mm PWM View product
Performance6 differ
Fan diameterDiffers	12 cm	14 cm
Rotational speed (max)Differs	1600 RPM	1100 RPM
Noise level (high speed)Differs	18.9 dB	13.6 dB
Maximum airflowDiffers	48.7 cfm	51.3 cfm
AirflowDiffers	82.74 m³/h	87.16 m³/h
Maximum air pressureDiffers	1.79 mmH2O	0.92 mmH2O
Designidentical
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Illumination LEDKnown for one	Unknown — not stated by the source	No
Display typeKnown for one	Unknown — not stated by the source	Not applicable
Power3 differ
Power consumption (typical)Differs	1.44 W	3.6 W
Maximum currentDiffers	0.13 A	0.33 A
Rated currentDiffers	0.12 A	0.3 A
Weight & dimensions6 differ
WidthDiffers	120 mm	140 mm
DepthDiffers	120 mm	140 mm
WeightDiffers	190 g	220 g
Package widthDiffers	141 mm	156 mm
Package depthDiffers	192 mm	206.5 mm
Package weightDiffers	343 g	387 g
Logistics data5 differ
Products per shipping (inner) caseDiffers	40 pc(s)	32 pc(s)
Shipping (inner) case widthDiffers	38.7 cm	31.7 cm
Shipping (inner) case lengthDiffers	43.2 cm	46.3 cm
Shipping (inner) case heightDiffers	37.5 cm	38.8 cm
Shipping (inner) case gross weightDiffers	14.9 kg	13.6 kg
Technical detailsidentical
Compliance certificatesKnown for one	CE, RoHS, WEEE	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.