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be quiet! Silent Wings Pro 4 140mm PWM vs Noctua NF-A14 PWM: Comparison

be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A14 PWM separate most on static pressure: be quiet! Silent Wings Pro 4 140mm PWM at 3.64 mmH2O, Noctua NF-A14 PWM at 2.08 mmH2O, 43% in favour of be quiet! Silent Wings Pro 4 140mm PWM. Max Speed splits them by another 38%, again favouring be quiet! Silent Wings Pro 4 140mm PWM. They match on 9 other specifications, including fan size, bearing type and fan thickness.

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
Noctua NF-A14 PWM (140mm/82.5 CFM/1.99 mmH2O Static Pressure/1500 RPM Max/24.6 dBA/SSO2 Bearing/No RGB/PWM)
NoctuaNoctua NF-A14 PWM

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
Noctua NF-A14 PWM (140mm/82.5 CFM/1.99 mmH2O Static Pressure/1500 RPM Max/24.6 dBA/SSO2 Bearing/No RGB/PWM)
Noctua NF-A14 PWM
Fan Size140 mm140 mm
Brandbe quiet!Noctua
ModelSilent Wings Pro 4 140mm PWMNF-A14 PWM
Bearing TypeFluid DynamicFluid Dynamic
LightingNo RGBNone
Fan Thickness25 mm25 mm
Static Pressure3.64 mmH2O2.08 mmH2O-43%
Max Speed2400 RPM1500 RPM-37%
Noise Level36.8 dBA+12.2 dBA24.6 dBA
Airflow97.4 CFM82.52 CFM-15%
PWM ControlYesYes
Rated Life300000 hours150000 hours
Max Power Draw6 W1.56 W
Connector Type4-Pin PWM4-Pin PWM
Lighting ConnectorNoneNone
RGB LightingNoNo
Lighting TypeNoneNone
ColorwayBlackBrown And Beige
Cable Length500 mm200 mm
Weight258 g190 g
Warranty5 years-17%6 years
PositioningPremiumPremium
Source URLhttps://www.bequiet.com/en/casefans/3706https://www.noctua.at/en/products/nf-a14-pwm/specifications

Price comparison

Retailerbe quiet! Silent Wings Pro 4 140mm PWMNoctua NF-A14 PWM
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.

Noctua NF-A14 PWM

9 / 10 Expert Rating

The default recommendation for a 140mm airflow fan when looks don't matter and quiet running does.

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