Noctua
Noctua NF-A12x25 G2 PWM Sx2-PP, Dual Fan Set for Push-Pull and Side-by-Side Applications (Brown)
Bottom line: The Noctua NF-A12x25 G2 PWM Sx2-PP ($64.95 on Amazon as of 2026-10-21 04:20 UTC): Speed-offset pair (+/-50rpm) kills push-pull acoustic interaction; main trade-off: brown/beige colorway clashes with most modern build aesthetics.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Speed-offset pair (+/-50rpm) kills push-pull acoustic interaction
- ✓ Sterrox LCP impeller with ultra-tight tip clearance for high static pressure
- ✓ Premium SSO2 bearing rated >150,000h MTTF
- ✓ UL + TUV certified; reverse-polarity, over-voltage, short-circuit protection
Cons
- ✗ Brown/beige colorway clashes with most modern build aesthetics
- ✗ PWM only; no low-noise adaptors mentioned in listing
- ✗ 25mm thickness may foul RAM in tight top-mount radiator setups
- ✗ Overkill for basic case airflow where cheaper fans suffice
SpecPicks Verdict
SpecPicks scored Noctua NF-A12x25 G2 PWM Sx2-PP using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Next-gen 120x25mm design for unprecedented quiet cooling performance in both high airflow and high static pressure applications: ideal as a PC case fan, on CPU coolers and water cooling radiators!
- State-of-the-art engineering (Progressive Bend impeller with winglets and Centrifugal Turbulator, Flow Acceleration Channels, AAO frame) and construction (Sterrox LCP, ultra-tight tip clearance)
- Dedicated push-pull set (Sx2-PP) with two NF-A12x25 G2 PWM 120x25mm fans that are slightly off-set in speed (+/- ~50rpm) in order to avoid undesired acoustic interaction phenomena
- Ideal choice for push-pull applications as well as situations where two or more fans are operating side by side (240 or 360mm water cooling radiators, case intake or exhaust fans, etc.)
- Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NF-A12x25 G2 PWM Sx2-PP |
| Voltage | 12 Volts |
| Wattage | 1.8 watts |
| Material | Sterrox LCP |
| Unit Count | 2.0 Count |
| Noise Level | 22.5 Decibels |
| Part Number | NF-A12x25 G2 PWM Sx2-PP |
| Compatibility | PC |
| Material Type | Sterrox LCP |
| Cooling Method | Air |
| Number of Items | 2 |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 1800 RPM |
| Item Dimensions L x W x H | 4.72"L x 4.72"W x 0.98"H |
Ready to buy?
Noctua NF-A12x25 G2 PWM Sx2-PP, Dual Fan Set for Push-Pull and Side-by-Side Applications (Brown) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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