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be quiet! Silent Wings Pro 4 120mm PWM vs Lian Li UNI FAN AL120: Comparison
be quiet! Silent Wings Pro 4 120mm PWM vs Lian Li UNI FAN AL120: the static pressure difference
The gap that matters here is static pressure: be quiet! Silent Wings Pro 4 120mm PWM 5.31 mmH2O against Lian Li UNI FAN AL120 2.62 mmH2O, which puts be quiet! Silent Wings Pro 4 120mm PWM 51% ahead. Airflow runs the same way, 83.9 CFM on the be quiet! Silent Wings Pro 4 120mm PWM versus 64.5 CFM on the Lian Li UNI FAN AL120, another win for be quiet! Silent Wings Pro 4 120mm PWM. be quiet! Silent Wings Pro 4 120mm PWM also leads on warranty, 5 years on the be quiet! Silent Wings Pro 4 120mm PWM versus 2 years on the Lian Li UNI FAN AL120. be quiet! Silent Wings Pro 4 120mm PWM also leads on max speed, 3000 RPM on the be quiet! Silent Wings Pro 4 120mm PWM versus 1900 RPM on the Lian Li UNI FAN AL120.
Which should you buy, be quiet! Silent Wings Pro 4 120mm PWM or Lian Li UNI FAN AL120?
The be quiet! Silent Wings Pro 4 120mm PWM is the one to take for 360mm and 280mm AIO radiators and restrictive front filters and dense meshes, though it is the wrong buy for open-air mesh cases where pressure is wasted and RGB lighting requirements. The Lian Li UNI FAN AL120 suits front intake behind dense dust filters and multi-fan ARGB builds wanting more airflow than the SL120, though it is not built for noise-sensitive builds (SL120 is quieter) and single-fan installs.
Frequently asked questions
Do the be quiet! Silent Wings Pro 4 120mm PWM and Lian Li UNI FAN AL120 differ on noise level?
Yes. Noise Level reads 36.9 dBA on the be quiet! Silent Wings Pro 4 120mm PWM versus 28.3 dBA on the Lian Li UNI FAN AL120.
Is the Fan Size the same on the be quiet! Silent Wings Pro 4 120mm PWM and Lian Li UNI FAN AL120?
It is. Both are listed at 120 mm, so it is not a reason to pick one over the other.
Specs and benchmarks
Fan Size
- be quiet! Silent Wings Pro 4 120mm PWM
- 120 mm
- Lian Li UNI FAN AL120
- 120 mm
Brand
- be quiet! Silent Wings Pro 4 120mm PWM
- be quiet!
- Lian Li UNI FAN AL120
- Lian Li
Model
- be quiet! Silent Wings Pro 4 120mm PWM
- Silent Wings Pro 4 120mm PWM
- Lian Li UNI FAN AL120
- UNI FAN AL120
Bearing Type
- be quiet! Silent Wings Pro 4 120mm PWM
- Fluid Dynamic
- Lian Li UNI FAN AL120
- Fluid Dynamic
Lighting
- be quiet! Silent Wings Pro 4 120mm PWM
- No RGB
- Lian Li UNI FAN AL120
- ARGB
Fan Thickness
- be quiet! Silent Wings Pro 4 120mm PWM
- 25 mm
- Lian Li UNI FAN AL120
- 25 mm
Static Pressure
- be quiet! Silent Wings Pro 4 120mm PWM
- 5.31 mmH2OBest
- Lian Li UNI FAN AL120
- 2.62 mmH2O-51%
Max Speed
- be quiet! Silent Wings Pro 4 120mm PWM
- 3000 RPMBest
- Lian Li UNI FAN AL120
- 1900 RPM-37%
Airflow
- be quiet! Silent Wings Pro 4 120mm PWM
- 83.9 CFMBest
- Lian Li UNI FAN AL120
- 64.5 CFM-23%
Noise Level
- be quiet! Silent Wings Pro 4 120mm PWM
- 36.9 dBA
- Lian Li UNI FAN AL120
- 28.3 dBABest
PWM Control
- be quiet! Silent Wings Pro 4 120mm PWM
- Yes
- Lian Li UNI FAN AL120
- Yes
Max Power Draw
- be quiet! Silent Wings Pro 4 120mm PWM
- 3.6 WBest
- Lian Li UNI FAN AL120
- 5.94 W
Connector Type
- be quiet! Silent Wings Pro 4 120mm PWM
- 4-Pin PWM
- Lian Li UNI FAN AL120
- Proprietary
Lighting Connector
- be quiet! Silent Wings Pro 4 120mm PWM
- None
- Lian Li UNI FAN AL120
- Proprietary
RGB Lighting
- be quiet! Silent Wings Pro 4 120mm PWM
- No
- Lian Li UNI FAN AL120
- Yes
Lighting Type
- be quiet! Silent Wings Pro 4 120mm PWM
- None
- Lian Li UNI FAN AL120
- ARGB 5V
Warranty
- be quiet! Silent Wings Pro 4 120mm PWM
- 5 yearsBest
- Lian Li UNI FAN AL120
- 2 years-60%
Positioning
- be quiet! Silent Wings Pro 4 120mm PWM
- Premium
- Lian Li UNI FAN AL120
- Mainstream
Which one should you pick?
Choose be quiet! Silent Wings Pro 4 120mm PWM if you want the higher static pressure (5.31 mmH2O vs 2.62 mmH2O), the higher max speed (3000 RPM vs 1900 RPM) and the higher airflow (83.9 CFM vs 64.5 CFM).
Choose Lian Li UNI FAN AL120 if you want the lower noise level (28.3 dBA vs 36.9 dBA).
Price comparison
| Retailer | be quiet! Silent Wings Pro 4 120mm PWM | Lian Li UNI FAN AL120 |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
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.
Lian Li UNI FAN AL120
9 / 10 Expert Rating
The higher-output half of Lian Li's daisy-chain ARGB duo, best behind restrictive front-panel filters.