Product comparison · 2 computer cooling systems

be quiet! SILENT WINGS 4 | 140mm PWM high-speed vs be quiet! SILENT WINGS PRO 4 | 120mm PWM

Key differences

Fan diameter
- SILENT WINGS 4 | 140mm PWM high-speed:14 cm
- SILENT WINGS PRO 4 | 120mm PWM:12 cm
Rotational speed (max)
- SILENT WINGS 4 | 140mm PWM high-speed:1900 RPM
- SILENT WINGS PRO 4 | 120mm PWM:3000 RPM
Noise level (high speed)
- SILENT WINGS 4 | 140mm PWM high-speed:29.3 dB
- SILENT WINGS PRO 4 | 120mm PWM:36.9 dB
Maximum airflow
- SILENT WINGS 4 | 140mm PWM high-speed:78.4 cfm
- SILENT WINGS PRO 4 | 120mm PWM:83.9 cfm
Airflow
- SILENT WINGS 4 | 140mm PWM high-speed:133.2 m³/h
- SILENT WINGS PRO 4 | 120mm PWM:142.5 m³/h
Maximum air pressure
- SILENT WINGS 4 | 140mm PWM high-speed:2.36 mmH2O
- SILENT WINGS PRO 4 | 120mm PWM:5.31 mmH2O
Power consumption (typical)
- SILENT WINGS 4 | 140mm PWM high-speed:4.8 W
- SILENT WINGS PRO 4 | 120mm PWM:3.6 W
Voltage
- SILENT WINGS 4 | 140mm PWM high-speed:5 - 13.2 V
- SILENT WINGS PRO 4 | 120mm PWM:7 - 13.2 V

Differences highlightedShow differences only

Comparison of SILENT WINGS 4 | 140mm PWM high-speed, SILENT WINGS PRO 4 | 120mm PWM
43 specifications	A be quiet! SILENT WINGS 4 \| 140mm PWM high-speed View product	B be quiet! SILENT WINGS PRO 4 \| 120mm PWM View product
Performance6 differ
Fan diameterDiffers	14 cm	12 cm
Rotational speed (max)Differs	1900 RPM	3000 RPM
Noise level (high speed)Differs	29.3 dB	36.9 dB
Maximum airflowDiffers	78.4 cfm	83.9 cfm
AirflowDiffers	133.2 m³/h	142.5 m³/h
Maximum air pressureDiffers	2.36 mmH2O	5.31 mmH2O
Power4 differ
Power consumption (typical)Differs	4.8 W	3.6 W
VoltageDiffers	5 - 13.2 V	7 - 13.2 V
Maximum currentDiffers	0.4 A	0.33 A
Rated currentDiffers	0.4 A	0.3 A
Weight & dimensions6 differ
WidthDiffers	140 mm	120 mm
DepthDiffers	140 mm	120 mm
WeightDiffers	220 g	227 g
Package widthDiffers	156 mm	141 mm
Package depthDiffers	206.5 mm	192 mm
Package weightDiffers	390 g	400 g
Fan dimensions (W x D x H)Known for one	Unknown — not stated by the source	120 x 120 x 25 mm
Packaging contentidentical
Number of screwsKnown for one	4	Unknown — not stated by the source
Other features1 differ
Country of originDiffers	China	Germany
Logistics data5 differ
Products per shipping (inner) caseDiffers	32 pc(s)	40 pc(s)
Shipping (inner) case widthDiffers	31.7 cm	38.7 cm
Shipping (inner) case lengthDiffers	46.3 cm	43.2 cm
Shipping (inner) case heightDiffers	38.8 cm	37.5 cm
Shipping (inner) case gross weightDiffers	13.7 kg	17.2 kg

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.