Ramps Fan Extension Board

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Ramps Fan Extension Board

Our Ramps fan expansion board allows you to add multiple fans to your build when you have run out of stock fan ports on your Ramps 1.4 or Ramps 1.6 board!  With two PWM controllable channels you can add cooling fans or even add light controls for dimmable LED's etc.


  • Support fan: 5V/12V/24V
  • Max 0.5A per channel
  • 2 (PWM controllable) channels (D6/D11)
  • Max 20V


  • Can be used on our Ramps 1.4 and 1.6 boards
  • Output voltage is flexible to your needs
  • Plug and play installation
  • Marlin compatible
  • Fly back diode on each channel
  • Can be adapted to other firmware

Package Includes:

  • 1 x Ramps Fan Extension Board

You can purchase our Ramps 1.4 board here, and our Ramps 1.6 board here!


Check out this great how to by Dintid over on Instructbles.com on these fan expansions by clicking on the picture below:


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