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Noctua NF-A14x25 G2 PWM Sx2-PP

Noctua NF-A14x25 G2 PWM Sx2-PP Push/Pull Kit of 2 Square-Framed 140mm PWM Fans

99€95
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Overview

140 mm push-pull kit for ventirad or watercooling

The Noctua NF-A14x25 G2 PWM Sx2-PP is a kit consisting of two NF-A14x25 G2 PWM 140 mm square frame fans for cooling in push-pull mode or in scenarios where two fans are side-by-side. The two NF-A14x25 G2 PWM fans included in the Sx2-PP kit have been set with a speed offset of approximately 25 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-A14x25 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
Select your criteria

General information

Product name

Noctua NF-A14x25 G2 PWM Sx2-PP

Brand

Noctua

Model

NF-A14X25 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

140 mm

Max sound level

24.8 dB

Maximum rotation speed

1500 RPM

Max airflow

155.6 m³/h

Pressure

2.56 mm/H2O

Use

Office
Gaming

Bundle

Yes

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

Noctua SAS

Postal address

62 Boulevard de l’Hôpital 75013 Paris France

Electronic Address

Product referenced on 9 Dec 2024

Customer review
Global rating
10/10
based on 1 review Editorial and moderation guide
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  • by LemienL
    Posted on 23 Aug 2025
    Bought on 8 Jul 2025 from LDLC
    Number of reviews: 13 Average rating: 8

    Perfect, no doubt...

    No fan is perfect, but this duo suits me perfectly. The cables are thicker and less flexible than those of the fans supplied with my ATX case, but this poses no installation problems.

    Review automatically translated

In the same universe: nf-a14x25 g2 pwm | nf-a14x25 g2 pwm sx2-pp | noctua a14 | noctua g2