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be quiet! Silent Wings Pro 4 140mm PWM vs Noctua NF-A12x25 G2 PWM: Comparison

be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A12x25 G2 PWM separate most on airflow: be quiet! Silent Wings Pro 4 140mm PWM at 97.4 CFM, Noctua NF-A12x25 G2 PWM at 63.15 CFM, 35% in favour of be quiet! Silent Wings Pro 4 140mm PWM. Max Speed splits them by another 25%, again favouring be quiet! Silent Wings Pro 4 140mm PWM. They match on 4 other specifications, including fan thickness, pwm control and connector type.

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 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
NoctuaNoctua NF-A12x25 G2 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 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
Noctua NF-A12x25 G2 PWM
Fan Size140 mm120 mm
Brandbe quiet!Noctua
ModelSilent Wings Pro 4 140mm PWMNF-A12x25 G2 PWM
LightingNo RGBNone
Fan Thickness25 mm25 mm
Static Pressure3.64 mmH2O3.14 mmH2O-14%
Max Speed2400 RPM1800 RPM-25%
Noise Level36.8 dBA+14.3 dBA22.5 dBA
Airflow97.4 CFM63.15 CFM-35%
PWM ControlYesYes
Rated Life300000 hours150000 hours
Max Power Draw6 W1.8 W
Connector Type4-Pin PWM4-Pin PWM
RGB LightingNoNo
Cable Length500 mm200 mm
Weight258 g195 g
Warranty5 years-17%6 years
Source URLhttps://www.bequiet.com/en/casefans/3706https://www.noctua.at/en/products/nf-a12x25-g2-pwm/specifications

Price comparison

Retailerbe quiet! Silent Wings Pro 4 140mm PWMNoctua NF-A12x25 G2 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 G2 PWM

10 / 10 Expert Rating

The current best overall case fan — class-leading static pressure at a class-leading noise ceiling, a genuine generational upgrade over the original.

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