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be quiet! Silent Wings 4 120mm PWM High-Speed vs Corsair ML140 PRO RGB: Comparison

be quiet! Silent Wings 4 120mm PWM High-Speed and Corsair ML140 PRO RGB separate most on static pressure: be quiet! Silent Wings 4 120mm PWM High-Speed at 3.96 mmH2O, Corsair ML140 PRO RGB at 1.27 mmH2O, 68% in favour of be quiet! Silent Wings 4 120mm PWM High-Speed. Max Speed splits them by another 52%, again favouring be quiet! Silent Wings 4 120mm PWM High-Speed. They match on 4 other specifications, including fan thickness, pwm control and connector type.

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
Corsair ML140 PRO RGB (140mm/55.4 CFM/1.87 mmH2O Static Pressure/1200 RPM Max/20.4 dBA/Magnetic Levitation Bearing/RGB/PWM)
CorsairCorsair ML140 PRO RGB

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
Corsair ML140 PRO RGB (140mm/55.4 CFM/1.87 mmH2O Static Pressure/1200 RPM Max/20.4 dBA/Magnetic Levitation Bearing/RGB/PWM)
Corsair ML140 PRO RGB
Fan Size120 mm140 mm
Brandbe quiet!Corsair
ModelSilent Wings 4 120mm PWM High-SpeedML140 PRO RGB
Bearing TypeFluid DynamicMagnetic Levitation
Fan Thickness25 mm25 mm
Static Pressure3.96 mmH2O1.27 mmH2O-68%
Max Speed2500 RPM1200 RPM-52%
Noise Level31.2 dBA+10.8 dBA20.4 dBA
Airflow76.7 CFM55.4 CFM-28%
PWM ControlYesYes
Connector Type4-Pin PWM4-Pin PWM
Warranty5 years5 years
Source URLhttps://www.bequiet.com/en/casefans/3701https://www.corsair.com/us/en/p/case-fans/co-9050077-ww/ml140-pro-rgb-led-140mm-pwm-premium-magnetic-levitation-fan-single-pack-co-9050077-ww

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.

Corsair ML140 PRO RGB

8 / 10 Expert Rating

A quiet, glowing 140mm fan best suited to case airflow rather than radiator duty.

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