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General discussion • Re: Can the 27W power supply from a Rpi5 be used with a Rpi4??

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Yes, the Raspberry Pi 5 power supply works with the Raspberry Pi 4. Both use USB-C, and the RPi 5 supply provides more than enough power (5V 5A) for the RPi 4’s needs (5V 3A). It’s a safe and reliable option.
While part of that is true, Pi 4 does not do USB-PD and Pi 5 PSU will only supply 5v/5A when negotiated for via USB-PD. It will otherwise default to 5v/3A, which happily is what the 4B would like to receive.

... and now you know the rest of the story.

Statistics: Posted by bjtheone — Fri Jan 24, 2025 7:33 pm



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