Power supply options
The ROCK 5B/5B+ supports a variety of power supply technologies, including smart power adapters and fixed voltage:
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USB Type-C PD Version 2.0 with 9V/2A, 12V/2A, 15V/2A and 20V/2A.
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The USB-C power connector should output a fixed voltage between 5V and 20V, with a power rating greater than 30W for the ROCK 5B or 40W for the ROCK 5B+. For example, a 12V/4A USB-C power adapter would be suitable.
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5V power supply for GPIO PINs 2 and 4
The ROCK 5B and ROCK 5B+ have different power adapter requirements. The two SSD drives require more power. The 4G module also needs additional power. The ROCK 5B+ specifically requires a 40W power adapter.
ROCK 5B
Power adapter recommended: The official Radxa PD30W adapter.
ROCK 5B+
Power adapter recommended: The official Radxa PD65W adapter.