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be quiet! Silent Wings Pro 4 140mm PWM vs Lian Li UNI FAN P28: Comparison
What is the difference between be quiet! Silent Wings Pro 4 140mm PWM and Lian Li UNI FAN P28?
On static pressure the spread is 24%, be quiet! Silent Wings Pro 4 140mm PWM 3.64 mmH2O against Lian Li UNI FAN P28 4.79 mmH2O, so Lian Li UNI FAN P28 takes it. Warranty runs the same way, 5 years on the be quiet! Silent Wings Pro 4 140mm PWM versus 6 years on the Lian Li UNI FAN P28, another win for Lian Li UNI FAN P28.
Who each one is for
Buy the be quiet! Silent Wings Pro 4 140mm PWM for 280mm and 420mm AIO radiators and Quiet high-pressure builds, though it is not the pick for RGB-focused builds and open mesh cases where pressure is wasted. The Lian Li UNI FAN P28 is the one to take for thick, high-FPI custom-loop radiators and builders who want daisy-chain cabling with real performance, though it is the wrong buy for Quiet-first case airflow duty and budget builds. Our rating of the be quiet! Silent Wings Pro 4 140mm PWM (9/10): one of the strongest 140mm radiator fans available, at the cost of skipping RGB entirely. Our rating of the Lian Li UNI FAN P28 (9/10): the performance option in Lian Li's daisy-chain family, for radiators that actually need the extra static pressure.
Where the two are identical
Where they agree, they agree completely, bearing type, lighting connector, rgb lighting, lighting type and positioning included, so the decision does not turn on any of those.
Frequently asked questions
Do the be quiet! Silent Wings Pro 4 140mm PWM and Lian Li UNI FAN P28 differ on noise level?
Yes. Noise Level reads 36.8 dBA on the be quiet! Silent Wings Pro 4 140mm PWM versus 32.1 dBA on the Lian Li UNI FAN P28.
Specs and benchmarks
Fan Size
- be quiet! Silent Wings Pro 4 140mm PWM
- 140 mm
- Lian Li UNI FAN P28
- 120 mm
Brand
- be quiet! Silent Wings Pro 4 140mm PWM
- be quiet!
- Lian Li UNI FAN P28
- Lian Li
Model
- be quiet! Silent Wings Pro 4 140mm PWM
- Silent Wings Pro 4 140mm PWM
- Lian Li UNI FAN P28
- UNI FAN P28
Bearing Type
- be quiet! Silent Wings Pro 4 140mm PWM
- Fluid Dynamic
- Lian Li UNI FAN P28
- Fluid Dynamic
Lighting
- be quiet! Silent Wings Pro 4 140mm PWM
- No RGB
- Lian Li UNI FAN P28
- None
Fan Thickness
- be quiet! Silent Wings Pro 4 140mm PWM
- 25 mm
- Lian Li UNI FAN P28
- 28 mm
Static Pressure
- be quiet! Silent Wings Pro 4 140mm PWM
- 3.64 mmH2O-24%
- Lian Li UNI FAN P28
- 4.79 mmH2OBest
Max Speed
- be quiet! Silent Wings Pro 4 140mm PWM
- 2400 RPM-8%
- Lian Li UNI FAN P28
- 2600 RPMBest
Airflow
- be quiet! Silent Wings Pro 4 140mm PWM
- 97.4 CFMBest
- Lian Li UNI FAN P28
- 92 CFM-6%
Noise Level
- be quiet! Silent Wings Pro 4 140mm PWM
- 36.8 dBA
- Lian Li UNI FAN P28
- 32.1 dBABest
Connector Type
- be quiet! Silent Wings Pro 4 140mm PWM
- 4-Pin PWM
- Lian Li UNI FAN P28
- Proprietary
Lighting Connector
- be quiet! Silent Wings Pro 4 140mm PWM
- None
- Lian Li UNI FAN P28
- None
RGB Lighting
- be quiet! Silent Wings Pro 4 140mm PWM
- No
- Lian Li UNI FAN P28
- No
Lighting Type
- be quiet! Silent Wings Pro 4 140mm PWM
- None
- Lian Li UNI FAN P28
- None
Warranty
- be quiet! Silent Wings Pro 4 140mm PWM
- 5 years-17%
- Lian Li UNI FAN P28
- 6 yearsBest
Positioning
- be quiet! Silent Wings Pro 4 140mm PWM
- Premium
- Lian Li UNI FAN P28
- Premium
Which one should you pick?
Choose be quiet! Silent Wings Pro 4 140mm PWM if you want the higher airflow (97.4 CFM vs 92 CFM).
Choose Lian Li UNI FAN P28 if you want the higher static pressure (4.79 mmH2O vs 3.64 mmH2O), the higher max speed (2600 RPM vs 2400 RPM) and the lower noise level (32.1 dBA vs 36.8 dBA).
Price comparison
| Retailer | be quiet! Silent Wings Pro 4 140mm PWM | Lian Li UNI FAN P28 |
|---|---|---|
| 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 140mm PWM
9 / 10 Expert Rating
One of the strongest 140mm radiator fans available, at the cost of skipping RGB entirely.
Lian Li UNI FAN P28
9 / 10 Expert Rating
The performance option in Lian Li's daisy-chain family, for radiators that actually need the extra static pressure.