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be quiet! Silent Wings Pro 4 140mm PWM vs DeepCool FK120: Comparison
be quiet! Silent Wings Pro 4 140mm PWM and DeepCool FK120 differ on pwm control: be quiet! Silent Wings Pro 4 140mm PWM at Yes, DeepCool FK120 at true. They match on bearing type and lighting.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 140 mm | 120 |
| Brand | be quiet! | DeepCool |
| Model | Silent Wings Pro 4 140mm PWM | FK120 |
| Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Lighting | No RGB | No RGB |
| Static Pressure | 3.64 mmH2O | 1.4-62% |
| Max Speed | 2400 RPM | 1200-50% |
| Noise Level | 36.8 dBA+13.1 dBA | 23.7 |
| Airflow | 97.4 CFM | 40.5-58% |
| PWM Control | Yes | true |
| Positioning | Premium | Budget |
Price comparison
| Retailer | be quiet! Silent Wings Pro 4 140mm PWM | DeepCool FK120 |
|---|---|---|
| Amazon | View on Amazon | |
| Newegg | View on Newegg | |
| DeepCool | View on DeepCool |
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.
DeepCool FK120
6 / 10 Expert Rating
A solid, quiet non-RGB fan for white or black builds that don't need lighting.




