Noctua NF-A12x25 G2 PWM
Expert rating10 / 10
- Fan Size:
- 120 mm
- Bearing Type:
- SSO2 2nd-gen magnetic-stabilized
- Lighting:
- None
- Static Pressure:
- 3.94 mmH2O
- Noise Level:
- 22.6 dBA
- PWM Control:
- Yes
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Manufacturer: Noctua Last updated: September 8, 2026
Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty) Review
The Noctua NF-A12x25 G2 PWM is a 120mm fan with a 2nd-gen AAO frame and SSO2 magnetic-stabilized bearing, refined 0.5mm tip clearance, delivering 3.94 mmH2O of static pressure at a 22.6 dBA noise ceiling, with full PWM control, no RGB, and a 6-year warranty.
Independently named the best overall case fan currently available. The 2nd-gen AAO frame plus SSO2 magnetic-stabilized bearing and refined 0.5mm tip clearance deliver class-leading static pressure at the same 22.6 dBA ceiling as the original, and the 3.94 mmH2O is a genuine meaningful improvement over the original's 2.34 mmH2O — independently confirmed as class-leading among 120mm fans. Independent testing confirms it beats every competitor by 5-8 dBA at equivalent airflow.
Static Pressure and Acoustics
The 2nd-gen AAO frame plus SSO2 magnetic-stabilized bearing and refined 0.5mm tip clearance deliver class-leading static pressure at the same 22.6 dBA ceiling as the original. The 3.94 mmH2O is a genuine meaningful improvement over the original's 2.34 mmH2O, independently confirmed as class-leading among 120mm fans. Independent testing confirms it beats every competitor by 5-8 dBA at equivalent airflow.
Bearing and Warranty
The 2nd-gen SSO2 magnetic-stabilized bearing carries the same 6-year warranty as the original, matching the category's longest coverage.
PWM Control and RGB
Full PWM control lets the curve be tuned across the range. No RGB is included by design, consistent with Noctua's acoustic and thermal engineering focus.
Comparison to Alternatives
Against the original NF-A12x25 PWM, this G2 delivers meaningfully higher static pressure at the same noise ceiling — a genuine generational upgrade for radiator or restrictive front-panel mounts. Against the Phanteks T30-120, that pushes higher raw airflow and static pressure at a real noise cost, for buyers prioritising max throughput over Noctua's acoustic-first approach.
Specifications
Identity and packaging
| Brand | Noctua |
|---|---|
| Model | NF-A12x25 G2 PWM |
| Fan Thickness | 25 mm |
Design
| Fan Size | 120 mm |
|---|---|
| Lighting | None |
Performance
| Static Pressure | 3.14 mmH2O |
|---|---|
| Max Speed | 1800 RPM |
| Noise Level | 22.5 dBA |
| PWM Control | Yes |
Performance at maximum speed
| Airflow | 63.15 CFM |
|---|
Performance at quiet speed
| Quiet Speed | 1500 RPM |
|---|---|
| Airflow At Quiet Speed | 51.32 CFM |
| Noise Level At Quiet Speed | 18.1 dBA |
| Zero RPM Capable | Yes |
Motor and bearing
| Bearing Marketing Name | SSO2 |
|---|---|
| Rated Life | 150000 hours |
| Blade Material | Liquid Crystal Polymer |
Power and control
| Max Power Draw | 1.8 W |
|---|---|
| Start Voltage | 7 V |
Connection and daisy chain
| Connector Type | 4-Pin PWM |
|---|
Lighting
| RGB Lighting | No |
|---|
Physical and finish
| Cable Length | 200 mm |
|---|---|
| Weight | 195 g |
Market
| Warranty | 6 years |
|---|
| Frame | 2nd-gen AAO frame, 0.5mm tip clearance |
|---|---|
| Source URL | https://www.noctua.at/en/products/nf-a12x25-g2-pwm/specifications |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating10 / 10
The current best overall case fan — class-leading static pressure at a class-leading noise ceiling, a genuine generational upgrade over the original.
Best for
- Buyers wanting one fan that goes anywhere and cares about quiet — the current best overall for this combination.
- Radiator mounts and restrictive front panels needing a genuine static-pressure improvement.
Not for
- Tight budgets filling an entire case — the Arctic P12 PST 5-pack delivers roughly 85% of the performance for a fraction of the cost.
FAQs
What are the key specifications of the Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)?
The Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty) is a case fan from Noctua. Key specs: Fan Size 120, Bearing Type SSO2 2nd-gen magnetic-stabilized, Frame 2nd-gen AAO frame, 0.5mm tip clearance, Lighting None, Static Pressure 3.94.
Will the Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty) work with my current setup?
The Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty) lists Fan Size is 120. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty) best suited to?
It suits buyers wanting one fan that goes anywhere and cares about quiet — the current best overall for this combination., radiator mounts and restrictive front panels needing a genuine static-pressure improvement..
What are the drawbacks of the Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)?
It is a poor fit for tight budgets filling an entire case — the arctic p12 pst 5-pack delivers roughly 85% of the performance for a fraction of the cost..
Compare and read more
- be quiet! Silent Wings Pro 4 120mm PWM (120mm/66.4 CFM/2.66 mmH2O Static Pressure/2200 RPM Max/30.7 dBA/Fluid Dynamic Bearing/No RGB/PWM) vs Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
- be quiet! Silent Wings Pro 4 140mm PWM (140mm/78.8 CFM/2.42 mmH2O Static Pressure/1900 RPM Max/29.4 dBA/Fluid Dynamic Bearing/No RGB/PWM) vs Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
- Corsair QX120 RGB (120mm/65.8 CFM/3.29 mmH2O Static Pressure/2500 RPM Max/34 dBA/Magnetic Dome Bearing/RGB/iCUE LINK) vs Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
- Cooler Master MobiusLink ARGB Fan (120mm/62.0 CFM/2.4 mmH2O Static Pressure/2000 RPM Max/30.0 dBA/Loop Dynamic Bearing/ARGB/PWM) vs Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)
- Corsair iCUE Link RX120 (120mm/61.5 CFM/1.83 mmH2O Static Pressure/1700 RPM Max/26 dBA/Rifle Bearing/No RGB/PWM) vs Noctua NF-A12x25 G2 PWM (120mm/3.94 mmH2O Static Pressure/22.6 dBA Max/2nd-Gen SSO2 Magnetic-Stabilized Bearing/2nd-Gen AAO Frame/0.5mm Tip Clearance/No RGB/PWM/6-Year Warranty)