Product comparison · 2 computer cooling systems

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

41specifications compared
22differ
19identical
2known for one product only

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

Side by side

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
Suitable location	Computer case	Computer case
Type	Fan	Fan
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
Pulse-width modulation (PWM) support	Yes	Yes
Bearing type	Fluid Dynamic Bearing (FDB)	Fluid Dynamic Bearing (FDB)
Quantity per pack	1 pc(s)	1 pc(s)
Mean time between failures (MTBF)	300000 h	300000 h
Designidentical
Product colour	Black	Black
Number of fans	1 fan(s)	1 fan(s)
Illumination LED	No	No
Fan connector	4-pin	4-pin
Display type	Not applicable	Not applicable
Certification	CE / ROHS / RU / UKCA / TÜV / WEEE	CE / ROHS / RU / UKCA / TÜV / WEEE
Power4 differ
Power consumption (typical)Differs	4.8 W	3.6 W
VoltageDiffers	5 - 13.2 V	7 - 13.2 V
Rated voltage	12 V	12 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
Height	25 mm	25 mm
WeightDiffers	220 g	227 g
Cable length	0.5 m	0.5 m
Package widthDiffers	156 mm	141 mm
Package depthDiffers	206.5 mm	192 mm
Package height	31 mm	31 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
Screws included	Yes	Yes
Number of screwsKnown for one	4	Unknown — not stated by the source
Number of clips	4	4
Other features1 differ
Country of originDiffers	China	Germany
Logistics data5 differ
Harmonized System (HS) code	84733080	84733080
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.

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