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ROCK 3 Model A

This is the documentation for ROCK 3 Model A, written by Radxa Team with community contributions.

ROCK 3A features a quad core Cortex-A55 ARM processor, 32bit 3200Mb/s LPDDR4, up to 4K@60 HDMI, MIPI DSI, MIPI CSI, 3.5mm jack with mic, USB Port, GbE LAN, PCIe 3.0, PCIe 2.0, 40-pin color expansion header, RTC. Also, ROCK 3 supports USB PD and QC powering.

Close look of ROCK 3A

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Model ROCK 3 Model A


Quad-core Cortex-A55, freqency 2Ghz

Mali G52

Memory 2/4/8GB LPDDR4 3200MT/s, up to 1560MHz
Storage eMMC
μSD card (μSD slot supports up to 128 GB μSD card)
M.2 SSD (M.2 connector supports up to 8TB M2 NVME SSD)
Display HDMI 2.0 up to 4k*2k@60
MIPI DSI 2 lanes via FPC connector
Any two of HDMI, MIPI DSI can work at the same time, support mirror mode or extend mode.
Audio 3.5mm jack with mic
HD codec that supports up to 24-bit/96KHz audio.
Camera MIPI CSI 2 lanes via FPC connector, support up to 800 MP camera.
Wireless None. Optional ROCK Pi Wireless Module
USB USB 3.0 OTG X1, hardware switch for host/device switch, upper one
Ethernet GbE LAN with Power over Ethernet (PoE) support
additional HAT is required for powering from PoE
IO 40-pin expansion header
5 x UART
1 x SPI bus
2 x I2C bus
6 x PWM
1 x ADC
1 x CAN
6 x GPIO
2 x 5V DC power in
1 x 3.3V DC power in
Others RTC
RTC battery connector for time backup(optional)
Power USB PD, support USB Type C PD 2.0, 9V/2A, 12V/2A, 15V/2A, 20V/2A.
Qualcomm® Quick ChargeTM: Supports QC 3.0/2.0 adapter, 9V/2A, 12V/1.5A
Size 85mm x 56mm

Getting start guide

Follow the Guide to start using your ROCK 3A.

Use Radxa Debian

Follow the Radxa Debian Guide

Download and install third party OS

Find more OS by the Radxa friends and the community.

Find supported accessories

Discover the accessories that just work on ROCK 3A

Learn more about the hardware details

Learn more about the ROCK 3A connectors and pinout

Check the data sheets of the components used on ROCK 3A.


ROCK 3A is in massive production now. Radxa guarantee availability ROCK 3A until at least September 2029.


CE & FCC certification.

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