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Thin internal power cable with small connectors for 3.3V fan power

Ruth's sister

Ruth's sister Internal Power Cable 3.3V

SKU CH-CVQG-GME9T

Internal power cable delivers 3.3V to Raspberry Pi CPU fans across multiple board models

  • Adjustable fan speed for quieter Raspberry Pi cooling
  • 3 V operation matches Pi low-voltage headers
  • Compatible with Pi 4 B, 3B+, 3B, 2B and B+ boards
  • New cable ready for immediate installation

Adjustable Fan Power Cable for Raspberry Pi

This internal power cable delivers a selectable 3.3 V or 5 V supply to CPU cooling fans fitted to Raspberry Pi 4 B, 3B+, 3B, 2B and B+ boards. It is intended for makers and hobbyists who need a simple way to power and adjust fan speed on these single-board computers.

Tool-free connection with voltage selection

The cable plugs directly onto the GPIO header pins so no soldering or crimping is required. Builders must set the jumper to the correct voltage before powering on; applying 5 V to a fan rated only for 3.3 V can damage the fan or the Pi.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 80% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the cable is supplying the correct 3.3V to my Raspberry Pi fan after connecting it?

Power on the Pi and verify the fan spins at the expected speed; a multimeter on the fan pins should read 3.3V when the fan is running.

What connectors are included with this internal power cable and do I need to purchase a fan separately?

The cable provides the 3.3V power lead for compatible Raspberry Pi CPU fans; the cooling fan itself is not included and must be bought separately.

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