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be quiet! Silent Wings Pro 4 140mm PWM vs Lian Li UNI FAN AL120: Comparison

be quiet! Silent Wings Pro 4 140mm PWM and Lian Li UNI FAN AL120 separate most on warranty: be quiet! Silent Wings Pro 4 140mm PWM at 5 years, Lian Li UNI FAN AL120 at 2 years, 60% in favour of be quiet! Silent Wings Pro 4 140mm PWM. Airflow splits them by another 34%, again favouring be quiet! Silent Wings Pro 4 140mm PWM. They match on bearing type, fan thickness and pwm control.

be quiet! Silent Wings Pro 4 140mm PWM (140mm/78.8 CFM/2.42 mmH2O Static Pressure/1900 RPM Max/29.4 dBA/Fluid Dynamic Bearing/No RGB/PWM)
be quiet!be quiet! Silent Wings Pro 4 140mm PWM
Lian Li UNI FAN AL120 (120mm/64.5 CFM/2.3 mmH2O Static Pressure/1900 RPM Max/28.3 dBA/Fluid Dynamic Bearing/ARGB/PWM)
LianLian Li UNI FAN AL120

Specs

Specification
be quiet! Silent Wings Pro 4 140mm PWM (140mm/78.8 CFM/2.42 mmH2O Static Pressure/1900 RPM Max/29.4 dBA/Fluid Dynamic Bearing/No RGB/PWM)
be quiet! Silent Wings Pro 4 140mm PWM
Lian Li UNI FAN AL120 (120mm/64.5 CFM/2.3 mmH2O Static Pressure/1900 RPM Max/28.3 dBA/Fluid Dynamic Bearing/ARGB/PWM)
Lian Li UNI FAN AL120
Fan Size140 mm120 mm
Brandbe quiet!Lian Li
ModelSilent Wings Pro 4 140mm PWMUNI FAN AL120
Bearing TypeFluid DynamicFluid Dynamic
LightingNo RGBARGB
Fan Thickness25 mm25 mm
Static Pressure3.64 mmH2O2.62 mmH2O-28%
Max Speed2400 RPM1900 RPM-21%
Noise Level36.8 dBA+8.5 dBA28.3 dBA
Airflow97.4 CFM64.5 CFM-34%
PWM ControlYesYes
Max Power Draw6 W5.94 W
Connector Type4-Pin PWMProprietary
Lighting ConnectorNoneProprietary
RGB LightingNoYes
Lighting TypeNoneARGB 5V
Warranty5 years2 years-60%
PositioningPremiumMainstream
Source URLhttps://www.bequiet.com/en/casefans/3706https://lian-li.com/product/uni-fan-al/

Price comparison

Retailerbe quiet! Silent Wings Pro 4 140mm PWMLian Li UNI FAN AL120
AmazonView on Amazon
NeweggView on Newegg

Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Verdict

be quiet! Silent Wings Pro 4 140mm PWM

9 / 10 Expert Rating

One of the strongest 140mm radiator fans available, at the cost of skipping RGB entirely.

Lian Li UNI FAN AL120

9 / 10 Expert Rating

The higher-output half of Lian Li's daisy-chain ARGB duo, best behind restrictive front-panel filters.

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