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be quiet! Silent Wings Pro 4 140mm PWM vs Noctua NF-A12x25 PWM chromax.black.swap: Comparison
What is the difference between be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A12x25 PWM chromax.black.swap?
Airflow is where these two genuinely part company, be quiet! Silent Wings Pro 4 140mm PWM 97.4 CFM against Noctua NF-A12x25 PWM chromax.black.swap 60.09 CFM, a 38% lead for be quiet! Silent Wings Pro 4 140mm PWM. be quiet! Silent Wings Pro 4 140mm PWM also leads on static pressure, 3.64 mmH2O on the be quiet! Silent Wings Pro 4 140mm PWM versus 2.34 mmH2O on the Noctua NF-A12x25 PWM chromax.black.swap. be quiet! Silent Wings Pro 4 140mm PWM also leads on max speed, 2400 RPM on the be quiet! Silent Wings Pro 4 140mm PWM versus 2000 RPM on the Noctua NF-A12x25 PWM chromax.black.swap. Warranty runs the same way, 5 years on the be quiet! Silent Wings Pro 4 140mm PWM versus 6 years on the Noctua NF-A12x25 PWM chromax.black.swap, another win for Noctua NF-A12x25 PWM chromax.black.swap.
Who each one is for
The be quiet! Silent Wings Pro 4 140mm PWM suits 280mm and 420mm AIO radiators and Quiet high-pressure builds, though it is not built for RGB-focused builds and open mesh cases where pressure is wasted. The Noctua NF-A12x25 PWM chromax.black.swap is the one to take for all-black or monochrome case builds and radiator or filtered-intake duty needing high static pressure, though it is the wrong buy for shoppers who want the newer G2 bearing improvements and budget multi-fan purchases.
Frequently asked questions
Do the be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A12x25 PWM chromax.black.swap differ on noise level?
Yes. Noise Level reads 36.8 dBA on the be quiet! Silent Wings Pro 4 140mm PWM versus 22.6 dBA on the Noctua NF-A12x25 PWM chromax.black.swap.
Is the Bearing Type the same on the be quiet! Silent Wings Pro 4 140mm PWM and Noctua NF-A12x25 PWM chromax.black.swap?
It is. Both are listed at Fluid Dynamic, so it is not a reason to pick one over the other.
Specs and benchmarks
Fan Size
- be quiet! Silent Wings Pro 4 140mm PWM
- 140 mm
- Noctua NF-A12x25 PWM chromax.black.swap
- 120 mm
Brand
- be quiet! Silent Wings Pro 4 140mm PWM
- be quiet!
- Noctua NF-A12x25 PWM chromax.black.swap
- Noctua
Model
- be quiet! Silent Wings Pro 4 140mm PWM
- Silent Wings Pro 4 140mm PWM
- Noctua NF-A12x25 PWM chromax.black.swap
- NF-A12x25 PWM chromax.black.swap
Bearing Type
- be quiet! Silent Wings Pro 4 140mm PWM
- Fluid Dynamic
- Noctua NF-A12x25 PWM chromax.black.swap
- Fluid Dynamic
Lighting
- be quiet! Silent Wings Pro 4 140mm PWM
- No RGB
- Noctua NF-A12x25 PWM chromax.black.swap
- None
Fan Thickness
- be quiet! Silent Wings Pro 4 140mm PWM
- 25 mm
- Noctua NF-A12x25 PWM chromax.black.swap
- 25 mm
Static Pressure
- be quiet! Silent Wings Pro 4 140mm PWM
- 3.64 mmH2OBest
- Noctua NF-A12x25 PWM chromax.black.swap
- 2.34 mmH2O-36%
Max Speed
- be quiet! Silent Wings Pro 4 140mm PWM
- 2400 RPMBest
- Noctua NF-A12x25 PWM chromax.black.swap
- 2000 RPM-17%
Airflow
- be quiet! Silent Wings Pro 4 140mm PWM
- 97.4 CFMBest
- Noctua NF-A12x25 PWM chromax.black.swap
- 60.09 CFM-38%
Noise Level
- be quiet! Silent Wings Pro 4 140mm PWM
- 36.8 dBA
- Noctua NF-A12x25 PWM chromax.black.swap
- 22.6 dBABest
PWM Control
- be quiet! Silent Wings Pro 4 140mm PWM
- Yes
- Noctua NF-A12x25 PWM chromax.black.swap
- Yes
Rated Life
- be quiet! Silent Wings Pro 4 140mm PWM
- 300000 hours
- Noctua NF-A12x25 PWM chromax.black.swap
- 150000 hours
Max Power Draw
- be quiet! Silent Wings Pro 4 140mm PWM
- 6 W
- Noctua NF-A12x25 PWM chromax.black.swap
- 1.68 WBest
Connector Type
- be quiet! Silent Wings Pro 4 140mm PWM
- 4-Pin PWM
- Noctua NF-A12x25 PWM chromax.black.swap
- 4-Pin PWM
Lighting Connector
- be quiet! Silent Wings Pro 4 140mm PWM
- None
- Noctua NF-A12x25 PWM chromax.black.swap
- None
RGB Lighting
- be quiet! Silent Wings Pro 4 140mm PWM
- No
- Noctua NF-A12x25 PWM chromax.black.swap
- No
Lighting Type
- be quiet! Silent Wings Pro 4 140mm PWM
- None
- Noctua NF-A12x25 PWM chromax.black.swap
- None
Colorway
- be quiet! Silent Wings Pro 4 140mm PWM
- Black
- Noctua NF-A12x25 PWM chromax.black.swap
- Black
Cable Length
- be quiet! Silent Wings Pro 4 140mm PWM
- 500 mm
- Noctua NF-A12x25 PWM chromax.black.swap
- 10 mm
Weight
- be quiet! Silent Wings Pro 4 140mm PWM
- 258 g
- Noctua NF-A12x25 PWM chromax.black.swap
- 205 gBest
Warranty
- be quiet! Silent Wings Pro 4 140mm PWM
- 5 years-17%
- Noctua NF-A12x25 PWM chromax.black.swap
- 6 yearsBest
Positioning
- be quiet! Silent Wings Pro 4 140mm PWM
- Premium
- Noctua NF-A12x25 PWM chromax.black.swap
- Premium
Which one should you pick?
Choose be quiet! Silent Wings Pro 4 140mm PWM if you want the higher static pressure (3.64 mmH2O vs 2.34 mmH2O), the higher max speed (2400 RPM vs 2000 RPM) and the higher airflow (97.4 CFM vs 60.09 CFM).
Choose Noctua NF-A12x25 PWM chromax.black.swap if you want the lower noise level (22.6 dBA vs 36.8 dBA) and the higher warranty (6 years vs 5 years).
Price comparison
| Retailer | be quiet! Silent Wings Pro 4 140mm PWM | Noctua NF-A12x25 PWM chromax.black.swap |
|---|---|---|
| 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 140mm PWM
9 / 10 Expert Rating
One of the strongest 140mm radiator fans available, at the cost of skipping RGB entirely.
Noctua NF-A12x25 PWM chromax.black.swap
9 / 10 Expert Rating
Same excellent A12x25 performance in a colorway that fits black-themed builds without a sticker or paint job.




