Fan Details – Selection Based on Size, Manufacturer, and Purpose

Beta phase: The same applies during the beta phase, where the limitations with interpolated and restricted data from the older, initial fan tests are still in place, but we will gradually complete them over time. Any errors in the software or data entry, we ask you to forgive, and we will make the necessary adjustments as soon as possible. Please send suggestions and feedback exclusively via email to [email protected].

Test methods and equipment

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Fan Noctua NF-A12x25 PWM (2023)

Product Images

General

Vendor
Noctua
Product name
NF-A12x25 PWM (2023)
Dimension
120 mm
Height
25 mm
Weight
198 g

Official Datasheet

Minimum RPM
450 U/min
Maximum RPM
2000 U/min
Min Consumption
1.2 W
Max Consumption
1.7 W
Airflow (CFM)
60.1 CFM
Airflow (m³/h)
102.1 m³/h
Static Pressure (mmH2O)
2.34 mmH2O
Sound
22.6 dBA

Datasheet vs. Measured

More Information

Review
-

Features

PWM
RGB
×
Noise Absorption

Colors

Frame
Beige
Highlight
Brown
Rotor
Brown

Measures Values DC

Start-Up Voltage
4.7 V
Shut-Down Voltage
4.3 V
Start-Up DC
870 U/min
Shut-Down DC
854 U/min
DC Analysis

Measures Values PWM

Start-Up RPM
588 U/min
Shut-Down RPM
237 U/min
PWM Analysis

Other Measures

Max RPM
2077 U/min
No-Stop RPM
N/A
column_boost_rpm
448 U/min
Full Consumption Analysis

Compare Sound (Recording)

Case Fan

  • 588
  • 788
  • 988
  • 1188
  • 1388
  • 1588
  • 1788
  • 1988

25mm Radiator

  • 588
  • 788
  • 988
  • 1188
  • 1388
  • 1588
  • 1788
  • 1988

45mm Radiator

  • 588
  • 788
  • 988
  • 1188
  • 1388
  • 1588
  • 1788
  • 1988

60mm Radiator

  • 588
  • 788
  • 988
  • 1188
  • 1388
  • 1588
  • 1788
  • 1988


Placement

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Metric Axis Left

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Metric Axis Right

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Compare with other tested fans

Important notes on the tests and their results

The fans tested here were either provided by the manufacturers without preconditions or come from the editorial stock or were anonymously purchased in stores. None of the tests were influenced in any way by the respective manufacturer. The test results were communicated to the manufacturers for review and comment in advance in case of abnormalities or strong contradictions to the stated technical data, and in some cases, measurements were also taken with anonymously purchased retail goods.

We explicitly point out that our laboratory cannot and does not want to produce ISO-certified measurements. The test setups with and without radiators were designed by us to be as practical as possible, in order to capture all intermediate values in the respective speed ranges. The audio recordings were normalized to also transport the smallest nuances into the audible ranges. Therefore, it may well happen that the fans seemed louder than they are. For a comparison of the absolute noise emission of two fans, the measurement curve must always be compared.

The manufacturer information used comes either from the respective packaging or from the data sheets on the respective homepages of the providers. Since we have already found several printing errors and even completely incorrect information, these values should always be viewed with the necessary skepticism if they significantly deviate from our measurements. Moreover, more than once a product has been significantly changed over time without this being publicly communicated. In this case, we ask our readers for appropriate feedback if new contradictions arise.

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