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Two square black 40 mm PWM fans with four-pin connectors and mounting screws

LORDWORLD

LORDWORLD 2 Pack 5V PWM Fan 40×40×20mm 4-Pin for Jetson Nano

SKU CH-3QFS-Y9T5X

Two 5 V PWM fans with reverse-proof 4-pin connectors cool a Jetson Nano B01 board, and mounting screws are included

  • Two fans included for dual-slot Jetson Nano cooling
  • 5 V PWM control adjusts speed to thermal load
  • 40×40×20 mm size fits the standard developer-kit header
  • 4-pin reverse-proof connector prevents mis-plug damage
  • Mounting screws supplied for immediate installation

Dedicated Jetson Nano cooling

This two-pack provides 5 V PWM fans built for the NVIDIA Jetson Nano Developer Kit and B01 version. Each 40 × 40 × 20 mm unit connects through a 4-pin reverse-proof header for simple installation. Mounting screws are included so the fans can be secured straight away. The pair suits makers and developers who need reliable thermal management for edge-computing projects.

Capacity and headroom

The fans deliver active airflow sized for the Jetson Nano’s thermal envelope under typical inference workloads. PWM control lets the board adjust speed automatically as temperature changes. Under sustained heavy compute the fans may reach maximum RPM and still hit thermal limits. Buyers who need more cooling capacity than a 40 mm frame can provide should look at larger heatsink or liquid solutions.

4-pin reverse-proof connector

The keyed 4-pin header prevents incorrect insertion and carries the PWM signal for automatic speed regulation. It matches the Jetson Nano’s fan header pinout exactly. Builders using a different carrier board without this header will need an adapter or alternative mounting method.

Highlights

  • Two fans included for dual-slot Jetson Nano cooling
  • 5 V PWM control adjusts speed to thermal load
  • 40×40×20 mm size fits the standard developer-kit header
  • 4-pin reverse-proof connector prevents mis-plug damage
  • Mounting screws supplied for immediate installation

Specifications

BrandLORDWORLD

Questions about this item

Will the 4-pin reverse-proof connector on these 40×40×20mm fans fit the original fan header on my Jetson Nano B01 board?

Yes, the 4-pin reverse-proof connector is designed to plug directly into the Jetson Nano Developer Kit and B01 version fan header without adapters.

How can I confirm the PWM speed adjustment is actually controlling the two fans after installation?

When the Jetson Nano is under load, the fans should spin faster and become audible; at idle they run slower and quieter, showing PWM is active.

Does the pack include mounting screws for both fans, or do I need to source them separately?

The package includes two fans and two screw packs, providing all mounting hardware needed for both units.

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