Product Comparison: Noctua NF-A12x25 PWM vs Noctua NF-A12x15 PWM

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General Specifications
NF-A12x25 PWM
NF-A12x15 PWM
About the Product
The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua’s latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A12x15 is a highly optimised, premium quality quiet fan in size 120x15mm.
Key Specs
Fan Bearing Technology
SSO2 Bearing
SSO2 Bearing
Max. Airflow
60.09 CFM
55.44 CFM
2000 RPM
1850 RPM
What customers say about "Key Specs"
Noctua NF-A12x25 PWM Premium Quiet Fan
  • Great airflow for the real world situations to use them in.
  • Preformes really well. Great temps.
  • This fan produces good static pressure and good airflow.
  • Produces more airflow than the NF-F12.
  • It cools better at low to mid fan speed operations than the NF-F12.
Noctua NF-A12x15 PWM Premium Quiet Slim Fan
  • The airflow is great and noise is almost non existent.
  • Very quiet, good airflow, easy to set up, soft material.
  • These allowed me to push more airflow while saving up space in the process.
  • The airflow through the case is great and quiet.
  • Fan noise is good and airflow amount is enough.
Size & Weight
4.72 in.
4.72 in.
4.72 in.
4.72 in.
0.98 in.
0.59 in.
7.1 oz.
5 oz.
Number of Coolers
Noise Level
22.6 dB
23.9 dB
Low-Noise Adapter, Flow Acceleration Channels, Ultra-tight tip clearance, AAO frame, Integrated anti-vibration pads
Low-Noise Adapter, Flow Acceleration Channels, AAO frame, Integrated anti-vibration pads
What customers say about "Features"
Noctua NF-A12x25 PWM Premium Quiet Fan
  • They are pretty quiet even at full 2000rpm.
  • No whining or buzzing noise emitting from the fan motor regardless of fan speed.
  • The fan feels solid and there is noticeable weight to it.
  • A fan so quiet, so powerful, it makes the other fans in your system less noisy.
  • Nice, quiet, and well designed.
Noctua NF-A12x15 PWM Premium Quiet Slim Fan
  • They fit really well are are so quiet.
  • Very quiet, very quality build, soft pads are big pluses.
  • This is very quiet and worth the money.
  • You can really feel the quality and it is very quiet.
  • Even at full speed, the fan is quiet, with no annoying rattling that you often experience with other, cheaper fans.
Warranty / Certifications
Manufacturer Warranty
6 year(s)
6 year(s)
Other Information

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