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be quiet! Silent Wings Pro 4 140mm PWM vs Noctua NF-A12x25 PWM: Comparison

be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A12x25 PWM separate most on airflow: be quiet! Silent Wings Pro 4 140mm PWM at 97.4 CFM, Noctua NF-A12x25 PWM at 60.09 CFM, 38% in favour of be quiet! Silent Wings Pro 4 140mm PWM. Static Pressure splits them by another 36%, again favouring be quiet! Silent Wings Pro 4 140mm PWM. They match on 7 other specifications, including 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
Noctua NF-A12x25 PWM (120mm/58 CFM/2.34 mmH2O Static Pressure/2000 RPM Max/22.6 dBA Max/SSO2 Bearing 150,000hr Rated/No RGB/PWM/6-Year Warranty)
NoctuaNoctua NF-A12x25 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-A12x25 PWM (120mm/58 CFM/2.34 mmH2O Static Pressure/2000 RPM Max/22.6 dBA Max/SSO2 Bearing 150,000hr Rated/No RGB/PWM/6-Year Warranty)
Noctua NF-A12x25 PWM
Fan Size140 mm120 mm
Brandbe quiet!Noctua
ModelSilent Wings Pro 4 140mm PWMNF-A12x25 PWM
Bearing TypeFluid DynamicFluid Dynamic
LightingNo RGBNone
Fan Thickness25 mm25 mm
Static Pressure3.64 mmH2O2.34 mmH2O-36%
Max Speed2400 RPM2000 RPM-17%
Noise Level36.8 dBA+14.2 dBA22.6 dBA
Airflow97.4 CFM60.09 CFM-38%
PWM ControlYesYes
Rated Life300000 hours150000 hours
Max Power Draw6 W1.68 W
Connector Type4-Pin PWM4-Pin PWM
Lighting ConnectorNoneNone
RGB LightingNoNo
Lighting TypeNoneNone
ColorwayBlackBrown And Beige
Cable Length500 mm200 mm
Weight258 g200 g
Warranty5 years-17%6 years
Source URLhttps://www.bequiet.com/en/casefans/3706https://noctua.at/en/nf-a12x25-pwm/specification

Price comparison

Retailerbe quiet! Silent Wings Pro 4 140mm PWMNoctua NF-A12x25 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-A12x25 PWM

9 / 10 Expert Rating

The reference benchmark for 120mm fans — best-tested all-around performance and quietest in its class, with class-leading bearing longevity.

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