ROCK 3 Model B, Industrial Grade Single Board Computer

£64.80 GBP

Check the Standard Grade variant - Rock 3 Model B SBC Meet the Radxa ROCK 3B – a powerhouse single-board computer (SBC) with an industrial-grade operation temperature based on the compact Pico...



Check the Standard Grade variant - Rock 3 Model B SBC

Meet the Radxa ROCK 3B – a powerhouse single-board computer (SBC) with an industrial-grade operation temperature based on the compact Pico ITX form factor (100mm x 75mm) that runs on the cutting-edge Rockchip RK3568J SoC. The ROCK 3B boasts impressive specs like a Quad-core Cortex-A55 (ARM v8) CPU, Mali G52 GPU, and a plethora of connectivity options. It’s a versatile board that works seamlessly with an array of operating systems, is tailored towards AI applications, and is available in both a standard operating temperature and an industrial-rated operating temperature. Say hello to a whole new level of possibilities for your projects and applications with the awesome Radxa ROCK 3B. This board is breaking ground as the first-ever in our lineup designed for industrial use, boasting an impressive temperature range from -40°C to 85°C. 

Key benefits of the ROCK 3B Single Board Computer

ROCK-Solid Rockchip SoC
ROCK 3B provides reliable and capable performance based on the Rockchip RK3568J SoC, Quad-core Cortex-A55 (ARM v8) CPU, Mali™ G52 GPU, and LPDDR4 2GB/4GB RAM. You can be certain that ROCK 3B will deliver outstanding performance.

0.8 TOPs NPU: Fuelling AI innovations
ROCK 3B benefits from an NPU with up to 0.8 TOPS for developing AI applications.

Industrial Temperature Rating
Introducing our industrial-grade ROCK 3B – the first in our lineup built for rugged environments, operating seamlessly in temperatures from -40°C to 85°C. With versatile interfaces and specialized temperature support, it runs smoothly without extra cooling. Engineered for burst performance, it’s perfect for light-duty tasks and dynamically adjusts CPU speed. A reliable powerhouse for manufacturers and industrial users.

Versatile Connectivity
The ROCK 3B single-board computer offers seamless 4G mobile connectivity via its SIM slot and USB interface in the M.2 B Key socket. This design enables high-speed mobile phone connectivity. Not only that, but the M.2 E Key socket also provides versatile interfaces, supporting high-speed Wi-Fi and Bluetooth connectivity, including the latest Wi-Fi 6 standards. ROCK 3B is a versatile solution for applications demanding reliable and advanced communication options.

OS Abundance: A World of Options
Diversify your options with the ROCK 3B! This practical single-board computer is compatible with a variety of operating systems, such as Android 11, Debian/Ubuntu Linux, and the complete implementation of the Arm architecture v8‑A instruction set, providing you with a broad range of choices.

Endless Storage Possibilities
ROCK 3B benefits from extensive storage capacity, including LPDDR4 2GB/4GB RAM and a high-speed eMMC connector for eMMC modules, as well as a TF Card Slot which can be used for OS and data storage. The eMMC socket is compatible with readily available industrial pinout and form factor hardware.

Seamless Compatibility with SBC accessories
Boasting excellent compatibility with SBC accessories, the ROCK 3B features a 40-pin header that supports an array of interface options. This ensures extensive connectivity capabilities, making the board compatible with virtually every accessory imaginable. With many pins serving dual functions, the ROCK 3B not only accommodates standard accessories but also opens the door to advanced options, providing a world of possibilities.

Immersive 4K60fps and Triple Display Support
Powered by the Mali G52 graphics processing unit (GPU), the ROCK 3B is perfectly suited for multimedia applications like videos and signage. Featuring camera and display interfaces, as well as an HDMI 2.0 port supporting resolutions up to 4K@60fps, the board offers versatile display options. Notably, it can support up to three displays simultaneously through HDMI, 2x MIPI DSI, or eDP connections.

Struggling with SBC stock shortages? Don’t waste time stock hunting as OKdo and Radxa ensure long-term stock availability of the ROCK 3A allowing you to focus on developing incredible design applications.


  • 1 x M.2 E Key Connector for Wi-Fi & BT supports Wi-Fi 4/5/6
  • 1 x M.2 B Key Connector for 4G cellular with SIM Card Slot
  • 1 x M.2 M Key Connector for NVMe SSD (PCIe 3.0 2‑lane)
  • 1 x SIM Card Slot
  • 1 x TF Card Slot
  • 1 x eMMC module Connector
  • 1 x HDMI port supporting displays up to 4Kp60 resolution.
  • 2 x USB2 HOST ports
  • 1 x USB3 HOST port, 1x USB3 OTG port
  • 2 x Gigabit Ethernet port (one supports PoE with add‑on PoE HAT)
  • 1 x Camera port (2‑lane MIPI CSI)
  • 2 x Display ports (one 2‑lane MIPI DSI, one 4‑lane MIPI DSI)
  • 1 x eDP port with touch panel support
  • 1 x RTC Battery Connector
  • 40 x user GPIO supporting various interface options: 5 x UART, 1 x SPI bus, 2 x I2C bus, 1 x PCM/I2S, 1 x CAN, 6 x PWM, 1 x ADC, 6 x GPIO, 2 x 5V DC power in, 2 x 3.3V power pin.

Technical Specifications

SoC Rockchip RK3568J
Processor Quad-core Cortex‑A55 (ARM v8) 64‑bit @ 2.0GHz
GPU Mali G52 GPU, supports OpenGL ES 1.1/2.0/3.2, OpenCL 2.0, and Vulkan 1.1
Memory 4GB LPDDR4
Power Requirements The ROCK 3B supports various way of powering, smart power adapter as well as fixed voltage: USB PD 2.0 Support USB Type C PD 2.0, 9V/2A, 12V/2A, 15V/2A, 20V/2A, Qualcomm® Quick Charge™ 2.0 Support QC3.0/2.0 adapter, 9V/2A, 12V/1.5A, Power adapter with fixed voltage from 5.3V to 12V on the USB C power port, 5V Power from the GPIO PIN 2 & 4, Gigabit Ethernet port(Close to USB) supports PoE with add‑on Radxa 25W PoE HAT
HDMI 1x HDMI ports supporting displays up to 4Kp60 resolution
USB 2x USB2 HOST ports, 1x USB3 HOST port, 1x USB3 OTG port
Connectivity 1x M.2 E Key Connector for WiFi&BT supports WiFi4/5/6, 1x M.2 B KeyConnector for 4G cellular with SIM Card Slot,  1x M.2 M Key Connector for NVMe SSD(PCIe 3.0 2‑lane), 1x SIM Card Slot, 2x Gigabit Ethernet port (one supports PoE with add‑on PoE HAT)
MIPI 1x Camera port (2‑lane MIPI CSI), 2x Display port (one 2‑lane MIPI DSI, one 4‑lane MIPI DSI)
Storage TF Card Slot
External Antenna NO
Software ARMv8 Instruction Set, Debian/Ubuntu Linux support, Android 11 support, Hardware access/control library for Linux/Android
Operation Temperature -40°C to 85°C.
Box Content

  • 1 x ROCK 3 Model B Board Only


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