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Small brown 40x10mm case fan with 3-pin connector and anti-vibration pads

Noctua

Noctua NF-A4x10 FLX 40x10mm 3-pin case fan

SKU CH-TJNJ-8PHEQ MPN NF-A4x10 FLX

A 40x10mm 3-pin case fan with Flow Acceleration Channels and SSO2 bearing, running at 4500 RPM or 3700 RPM with the Low-Noise Adaptor for 17.9 dB(A) or 12.9 dB(A) noise

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size40mm
  • Fan Thickness10mm

Model FLX

  • PWM
  • FLX
  • 5V PWM

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Premium quiet cooling with advanced aerodynamic design
  • Near-silent operation at 12.9 dB(A) using Low-Noise Adaptor
  • Flexible speed control: 4500 RPM or 3700 RPM via supplied adaptor
  • Compact 40x10mm size fits 3D printers, NAS, routers
  • Over 150000 hours MTTF for long-term reliability

Compact quiet cooling for tight spaces

The Noctua NF-A4x10 FLX is a 40x10mm case fan built for devices where space is at a premium. It suits 3D printers, NAS units, routers, switches and other small-form-factor hardware that rely on a 12V 3-pin header. The low-noise adaptor lets you choose between two speed settings without extra software. Builders needing larger airflow or PWM control should look elsewhere.

Build quality and daily mounting

An SSO2 bearing and Smooth Commutation Drive 2 provide smooth, stable rotation over a rated 150000 hours. The AAO frame adds integrated anti-vibration pads, Stepped Inlet Design and Inner Surface Microstructures. Flow Acceleration Channels on the impeller improve efficiency at the blade tips. The box includes vibration compensators, screws, a 30cm extension cable, a 3:2 pin adaptor and an OmniJoin adaptor set for proprietary headers.

Thermals noise and power in normal use

At full speed the fan spins at 4500 RPM, moves 4.83 CFM and produces 17.9 dB(A). With the low-noise adaptor fitted it runs at 3700 RPM, delivers 3.88 CFM and drops to 12.9 dB(A). The 3-pin connector draws 12V directly from the header, so power draw stays minimal. No LED lighting means no extra current for illumination.

Points forts

  • Premium quiet cooling with advanced aerodynamic design
  • Near-silent operation at 12.9 dB(A) using Low-Noise Adaptor
  • Flexible speed control: 4500 RPM or 3700 RPM via supplied adaptor
  • Compact 40x10mm size fits 3D printers, NAS, routers
  • Over 150000 hours MTTF for long-term reliability

Caractéristiques

BrandNoctua
SeriesA-Series
ModelNF-A4x10
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
CompatibilityCase
Fan Size40mm
Fan Thickness10mm
Bearing TypeSSO2
RPMRotational Speed (+/- 10%): 4500 RPM
Rotational Speed with L.N.A. (+/- 10%): 3700 RPM
Air FlowAirflow: 4.83 CFM
Airflow with L.N.A.: 3.88 CFM
Noise LevelAcoustical Noise: 17.9 dB(A)
Acoustical Noise with L.N.A.: 12.9 dB(A)
Power Connector3 Pin
ColorBrown
LEDNo
FeaturesFlow Acceleration Channels
Reduced motor hub size
AAO frame
Stepped Inlet Design
Inner Surface Microstructures
Integrated Anti-Vibration Pads
Smooth Commutation Drive 2
SSO2 Bearing
Low-Noise Adaptor for full flexibility
3 to 2-pin Adaptor and Polarity Protection
OmniJoin Adaptor Set
Extensive cabling options
Dimensions40.00 x 40.00 x 10.00 mm
Package ContentsLow-Noise Adaptor (L.N.A.)
3:2 Pin Adaptor
OmniJoin Adaptor Set
30cm Extension Cable
4 Vibration-Compensators
4 Fan Screws
Poids d’expédition0.16 kg
Dimensions du colis212 × 152 × 37 mm

Questions sur cet article

How fast does the 3-pin connector run the NF-A4x10 FLX, and what airflow does it deliver at that speed?

The fan spins at 4500 RPM on the 3-pin 12 V header, moving 4.83 CFM of air at 17.9 dB(A).

What mounting holes and clearance does the 40x10 mm frame need?

It fits standard 40 mm square mounting holes and requires 10 mm depth; four vibration compensators and four screws are included.

How do I install the Low-Noise Adaptor to drop the speed to 3700 RPM?

Plug the L.N.A. between the fan’s 3-pin plug and the motherboard header; the fan then runs at 3700 RPM and 3.88 CFM for 12.9 dB(A).

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