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be quiet! Silent Wings Pro 4 120mm PWM vs Noctua NF-A9 PWM: Comparison
be quiet! Silent Wings Pro 4 120mm PWM and Noctua NF-A9 PWM separate most on static pressure: be quiet! Silent Wings Pro 4 120mm PWM at 5.31 mmH2O, Noctua NF-A9 PWM at 2.28 mmH2O, 57% in favour of be quiet! Silent Wings Pro 4 120mm PWM. Airflow splits them by another 45%, again favouring be quiet! Silent Wings Pro 4 120mm PWM. They match on 9 other specifications, including bearing type, fan thickness and pwm control.
Specs
| Specification |  |  |
|---|---|---|
| Fan Size | 120 mm | 92 mm |
| Brand | be quiet! | Noctua |
| Model | Silent Wings Pro 4 120mm PWM | NF-A9 PWM |
| Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Lighting | No RGB | None |
| Fan Thickness | 25 mm | 25 mm |
| Static Pressure | 5.31 mmH2O | 2.28 mmH2O-57% |
| Max Speed | 3000 RPM | 2000 RPM-33% |
| Noise Level | 36.9 dBA+14.1 dBA | 22.8 dBA |
| Airflow | 83.9 CFM | 46.44 CFM-45% |
| PWM Control | Yes | Yes |
| Rated Life | 300000 hours | 150000 hours |
| Anti Vibration Pads | Yes | Yes |
| Max Power Draw | 3.6 W | 1.2 W |
| Connector Type | 4-Pin PWM | 4-Pin PWM |
| Lighting Connector | None | None |
| RGB Lighting | No | No |
| Lighting Type | None | None |
| Colorway | Black | Brown And Beige |
| Cable Length | 500 mm | 200 mm |
| Weight | 227 g | 95 g |
| Warranty | 5 years-17% | 6 years |
| Positioning | Premium | Premium |
| Source URL | https://www.bequiet.com/en/casefans/3705 | https://cdn.noctua.at/media/noctua_nf_a9_pwm_infosheet_en_web.pdf |
Price comparison
| Retailer | be quiet! Silent Wings Pro 4 120mm PWM | Noctua NF-A9 PWM |
|---|---|---|
| Amazon | View on Amazon | |
| Newegg | View 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 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.
Noctua NF-A9 PWM
8 / 10 Expert Rating
The go-to premium option whenever a build genuinely needs a 92mm fan instead of 120mm.