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Noctua NF-A12x25 G2 PWM Sx2-PP Noctua NF-A12x25 G2 PWM Sx2-PP Push/Pull Kit of 2 Square-Framed 120mm PWM Fans
Case fan
Review Noctua NF-A12x25 G2 PWM Sx2-PP

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Noctua NF-A12x25 G2 PWM Sx2-PP

Noctua NF-A12x25 G2 PWM Sx2-PP Push/Pull Kit of 2 Square-Framed 120mm PWM Fans

One customer review
84€95
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  • Overview

  • Specifications

  • Customer review

Overview

120 mm push-pull kit for ventirad or watercooling

The Noctua NF-A12x25 G2 PWM Sx2-PP is a kit consisting of two NF-A12x25 G2 PWM 120 mm square frame fans for cooling in push-pull mode or in scenarios where two fans are side-by-side. The two NF-A12x25 G2 PWM fans included in the Sx2-PP kit have been set with a speed offset of approximately 50 rpm to reduce vibration and cyclic hum. Such fine-tuning was made possible by the etaPERF fan motor and its NE-FD6 integrated circuit, which allow extremely fine speed adjustment.

Highlights

  • The NF-A12x25 G2 features an innovative Progressive-Bend turbine with Flow Acceleration Channels and winglets. Its 9 blades, which tend to face backwards on the hub side, curve progressively outwards at the tip.
  • The Centrifugal Turbulator hub and its specific design improve the cohesion of flows in the hub area. In addition, its movement exerts a centrifugal force that moves the air away from the hub, and therefore away from the area that is less efficient given the low rotation speeds.
  • The winglets (curves at the tips of the blades) reduce the vortex phenomena at the tips of the blades generated by the pressure differences between the suction faces of the blades.pressure differences between the suction and extraction sides, but can reduce efficiency given the large fluid displacements in high-speed zones.
  • The integrated anti-vibration mounts, made from extra-soft silicone, limit the transmission of vibrations while ensuring perfect compatibility with standard screws and fastening systems.
  • Protected against reverse polarity, overvoltage and overcurrent (short circuits), the fan is suitable for use in harsh electrical environments.
Specifications
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General information

Product name

 Noctua NF-A12x25 G2 PWM Sx2-PP

Brand

 Noctua

Model

 NF-A12X25 G2 PWM SX2-PP

Technical specifications

Use

 Processor

Luminous

 No

Connector(s)

 4-pin Female

Reverse (inverted blades)

 No

PWM

 Yes

Cooling type

 Active (fansink)

Fan diameter

 120 mm

Max sound level

 22.5 dB

Maximum rotation speed

 1800 RPM

Max airflow

 107.3 m³/h

Pressure

 3.14 mm/H2O

Use

 Office
Gaming

Bundle

 Yes

Warranties

Commercial warranty
Seller 2 years

Legal warranty
See terms & conditions

Safety Information

Responsible person

 Noctua SAS

Postal address

 62 Boulevard de l’Hôpital 75013 Paris France

Electronic Address
Click here

See all Noctua products

See Noctua Case fan section

Product referenced on 25 Jul 2025

Customer review
Global rating
8/10
based on 1 review Editorial and moderation guide
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  • by CyrilR
    Posted on 27 Aug 2025
    Bought on 26 Jul 2025 from LDLC
    Number of reviews: 4 Average rating: 8

    Nice packaging for these two very expensive fans

    For preparing a computer, virtually inaudible (this one is on the desk 60 cm from my ears). This fan is just as efficient as the cheaper 20 € models, but it's really inaudible. It all depends on how much you value silence, without questioning the quality of the product, one star less for the price.

    Review automatically translated

In the same universe: noctua a12 | noctua nf-a12x25 | noctua sx2

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