Product comparison · 2 computer cooling systems

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

Key differences

Rotational speed (max)
- SILENT WINGS 4 | 140mm PWM high-speed:1900 RPM
- SILENT WINGS PRO 4 | 140mm PWM:2400 RPM
Noise level (high speed)
- SILENT WINGS 4 | 140mm PWM high-speed:29.3 dB
- SILENT WINGS PRO 4 | 140mm PWM:36.8 dB
Maximum airflow
- SILENT WINGS 4 | 140mm PWM high-speed:78.4 cfm
- SILENT WINGS PRO 4 | 140mm PWM:97.41 cfm
Airflow
- SILENT WINGS 4 | 140mm PWM high-speed:133.2 m³/h
- SILENT WINGS PRO 4 | 140mm PWM:165.5 m³/h
Maximum air pressure
- SILENT WINGS 4 | 140mm PWM high-speed:2.36 mmH2O
- SILENT WINGS PRO 4 | 140mm PWM:3.64 mmH2O
Power consumption (typical)
- SILENT WINGS 4 | 140mm PWM high-speed:4.8 W
- SILENT WINGS PRO 4 | 140mm PWM:6 W
Voltage
- SILENT WINGS 4 | 140mm PWM high-speed:5 - 13.2 V
- SILENT WINGS PRO 4 | 140mm PWM:7 - 13.2 V
Maximum current
- SILENT WINGS 4 | 140mm PWM high-speed:0.4 A
- SILENT WINGS PRO 4 | 140mm PWM:0.5 A

Differences highlightedShow differences only

Comparison of SILENT WINGS 4 | 140mm PWM high-speed, SILENT WINGS PRO 4 | 140mm PWM
43 specifications	A be quiet! SILENT WINGS 4 \| 140mm PWM high-speed View product	B be quiet! SILENT WINGS PRO 4 \| 140mm PWM View product
Performance5 differ
Rotational speed (max)Differs	1900 RPM	2400 RPM
Noise level (high speed)Differs	29.3 dB	36.8 dB
Maximum airflowDiffers	78.4 cfm	97.41 cfm
AirflowDiffers	133.2 m³/h	165.5 m³/h
Maximum air pressureDiffers	2.36 mmH2O	3.64 mmH2O
Power4 differ
Power consumption (typical)Differs	4.8 W	6 W
VoltageDiffers	5 - 13.2 V	7 - 13.2 V
Maximum currentDiffers	0.4 A	0.5 A
Rated currentDiffers	0.4 A	0.5 A
Weight & dimensions2 differ
WeightDiffers	220 g	258 g
Fan dimensions (W x D x H)Known for one	Unknown — not stated by the source	140 x 140 x 25 mm
Package weightDiffers	390 g	448 g
Other features1 differ
Country of originDiffers	China	Germany
Logistics data1 differ
Shipping (inner) case gross weightDiffers	13.7 kg	15.5 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.