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be quiet! Silent Wings 4 120mm PWM High-Speed vs be quiet! Silent Wings Pro 4 120mm PWM: Comparison

be quiet! Silent Wings 4 120mm PWM High-Speed and be quiet! Silent Wings Pro 4 120mm PWM separate most on static pressure: be quiet! Silent Wings 4 120mm PWM High-Speed at 3.96 mmH2O, be quiet! Silent Wings Pro 4 120mm PWM at 5.31 mmH2O, 25% in favour of be quiet! Silent Wings Pro 4 120mm PWM. Max Speed splits them by another 17%, again favouring be quiet! Silent Wings Pro 4 120mm PWM. They match on 8 other specifications, including fan size, bearing type and fan thickness.

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
be quiet! Silent Wings Pro 4 120mm PWM (120mm/66.4 CFM/2.66 mmH2O Static Pressure/2200 RPM Max/30.7 dBA/Fluid Dynamic Bearing/No RGB/PWM)
be quiet!be quiet! Silent Wings Pro 4 120mm 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
be quiet! Silent Wings Pro 4 120mm PWM (120mm/66.4 CFM/2.66 mmH2O Static Pressure/2200 RPM Max/30.7 dBA/Fluid Dynamic Bearing/No RGB/PWM)
be quiet! Silent Wings Pro 4 120mm PWM
Fan Size120 mm120 mm
Brandbe quiet!be quiet!
ModelSilent Wings 4 120mm PWM High-SpeedSilent Wings Pro 4 120mm PWM
Bearing TypeFluid DynamicFluid Dynamic
Fan Thickness25 mm25 mm
Static Pressure3.96 mmH2O-25%5.31 mmH2O
Max Speed2500 RPM-17%3000 RPM
Noise Level31.2 dBA36.9 dBA+5.7 dBA
Airflow76.7 CFM-9%83.9 CFM
PWM ControlYesYes
Rated Life300000 hours300000 hours
Max Power Draw2.4 W3.6 W
Connector Type4-Pin PWM4-Pin PWM
Cable Length500 mm500 mm
Warranty5 years5 years
Source URLhttps://www.bequiet.com/en/casefans/3701https://www.bequiet.com/en/casefans/3705

Price comparison

Retailerbe quiet! Silent Wings 4 120mm PWM High-Speedbe quiet! Silent Wings Pro 4 120mm PWM
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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 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.

be quiet! Silent Wings Pro 4 120mm PWM

9 / 10 Expert Rating

be quiet!'s best radiator fan, closing most of the gap to Noctua's A12x25 at a friendlier price.

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