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be quiet! Silent Wings 4 120mm PWM High-Speed vs Noctua NF-A12x25 G2 PWM: Comparison

be quiet! Silent Wings 4 120mm PWM High-Speed and Noctua NF-A12x25 G2 PWM separate most on max speed: be quiet! Silent Wings 4 120mm PWM High-Speed at 2500 RPM, Noctua NF-A12x25 G2 PWM at 1800 RPM, 28% in favour of be quiet! Silent Wings 4 120mm PWM High-Speed. Static Pressure splits them by another 21%, again favouring be quiet! Silent Wings 4 120mm PWM High-Speed. They match on 4 other specifications, including fan size, fan thickness and pwm control.

be quiet! Silent Wings 4 120mm PWM High-Speed (2500 RPM/76.7 CFM/31.2 dBA/6-Pole Motor/Fluid Dynamic Bearing 300,000hr)
be quiet!be quiet! Silent Wings 4 120mm PWM High-Speed
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 4 120mm PWM High-Speed (2500 RPM/76.7 CFM/31.2 dBA/6-Pole Motor/Fluid Dynamic Bearing 300,000hr)
be quiet! Silent Wings 4 120mm PWM High-Speed
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 Size120 mm120 mm
Brandbe quiet!Noctua
ModelSilent Wings 4 120mm PWM High-SpeedNF-A12x25 G2 PWM
Fan Thickness25 mm25 mm
Static Pressure3.96 mmH2O3.14 mmH2O-21%
Max Speed2500 RPM1800 RPM-28%
Noise Level31.2 dBA+8.7 dBA22.5 dBA
Airflow76.7 CFM63.15 CFM-18%
PWM ControlYesYes
Rated Life300000 hours150000 hours
Max Power Draw2.4 W1.8 W
Connector Type4-Pin PWM4-Pin PWM
Cable Length500 mm200 mm
Warranty5 years-17%6 years
Source URLhttps://www.bequiet.com/en/casefans/3701https://www.noctua.at/en/products/nf-a12x25-g2-pwm/specifications

Verdict

be quiet! Silent Wings 4 120mm PWM High-Speed

8 / 10 Expert Rating

More airflow than the quiet-first competition, with a bearing rating built for a decade of running.

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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