be quiet! Silent Wings 4 140mm PWM vs Lian Li UNI FAN SL140 V2
Key differences
- be quiet! Silent Wings 4 140mm PWM: noise 13.6 dB(A) vs 29 dB(A) (53% lower)
- Lian Li UNI FAN SL140 V2: airflow 77.6 CFM vs 51.3 CFM (34% higher)
- Lian Li UNI FAN SL140 V2: static pressure 2.09 mmH₂O vs 0.92 mmH₂O (56% higher)
Same on both: size 140 mm, connector 4-pin PWM, pack 1×.
| be quiet! Silent Wings 4 140mm PWM | Lian Li UNI FAN SL140 V2 | |
|---|---|---|
| Released | 2022 | — |
| RGB | No | Yes |
| Max speed | 1,100 RPM | 1,600 RPM |
| Size | 140 mm | 140 mm |
| Noise | 13.6 dB(A) | 29 dB(A) |
| Connector | 4-pin PWM | 4-pin PWM |
| Pack | 1× | 1× |
| Airflow | 51.3 CFM | 77.6 CFM |
| Static pressure | 0.92 mmH₂O | 2.09 mmH₂O |