OKdo ROCK 4 MODEL C+ 4GB Single Board Computer Rockchip RK3399-T ARM CORTEX-A72

4GB Single Board Computer Rockchip


The ROCK 4C+ single board computer is a robust, high-performing, multifunctional board based on the powerful Rockchip RK3399‑T SoC. Developed by OKdo in collaboration with Radxa, ROCK 4C+ is a perfect Raspberry Pi alternative that incorporates class-leading features, including Dual Arm Cortex A72 CPU, Quad Arm Cortex A53, Arm Mali T860MP4 GPU, integrated fan control, stereo audio jack, dual micro-HDMI ports supporting displays up to 4Kp60 resolution, multiple connectivity and storage possibilities and compatible with a wide range of software operating systems. With the onboard On/Off power button, ROCK 4C+ is an energy-efficient single board computer that can now perform safe shutdowns at the touch of a button without the risk of corrupting storage. It also features multiple storage capabilities, such as 4GB 64-bit RAM and an eMMC socket for robust applications. The board’s incredible features make it ideal for various multimedia and industrial applications, ensuring outstanding performance and reliability in the most demanding of applications.


  • ROCK 4C+ SBC based on the powerful Rockchip RK3399‑T SoC
  • Hexa-core processor with Arm® big.LITTLE™ dual Arm Cortex® A72, quad Cortex-A53 CPU, and Arm Mali™ T860MP4 GPU
  • 4GB 64-bit RAM and eMMC socket
  • Power on/off button, integrated fan control, external antenna & audio jack
  • Dual micro-HDMI ports supporting displays of up to 4Kp60 resolution
  • Bluetooth 5.0 with BLE, Gigabit Ethernet and Wireless LAN


  • 802.11 b/g/n/ac (WiFi 5) Wireless LAN
  • Bluetooth 5.0 with BLE
  • 1 x micro-SD card slot
  • 2 x HDMI ports supporting displays up to 4Kp60 resolution and 2Kp60
  • 2 x USB2 HOST ports
  • 1 x USB3 OTG/HOST port, 1x USB3 HOST port
  • 1 x Gigabit Ethernet port (supports PoE with add‑on PoE HAT)
  • 1 x camera port (2‑lane MIPI CSI)
  • 1 x display port (4‑lane MIPI DSI)
  • 40 x user GPIO supporting a wide range of interface options: 2 x UART, 2 x SPI bus, 2 x I2C bus, 1 x PCM/I2S, 1 x SPDIF, 1 x PWM, 1 x ADC, 6 x GPIO, 2 x 5V DC power in, 2 x 3.3V power pin. The GPIO header is 97.5% (39/40) Raspberry Pi compatible.


ROCK 4C+ Board
SOC Rockchip RK3399-T
Processor Arm big.LITTLE technology (Dual Cortex-A72@1.5GHz, Quad Cortex-A53@1.0GHz) 
GPU Arm Mali – T860MP4 GPU, supporting OpenGL® ES 1.1 /2.0 /3.0 /3.1 /3.2, Vulkan® 1.0, Open CL® 1.1 1.2 and DirectX® 11.1
Memory Dual channel (64bit) 4GB LPDDR4 RAM 
Power Requirements USB C 5V/3A 


5V Power applied to the GPIO PIN 2 & 4

The recommended power source capacity is at least 5V/3A

HDMI Dual micro HDMI ports supporting displays up to 4Kp60 resolution and 2Kp60
USB 2x USB2 HOST ports


1x USB3 OTG/HOST port

1x USB3 HOST port

Connectivity 802.11 b/g/n/ac (WiFi 5) Wireless LAN


Bluetooth 5.0 with BLE

Gigabit Ethernet

MIPI 1 x 4 lane DSI/1 x 2 lane CSI
Storage Micro SD / eMMC
External Antenna YES
On/Off Power Button YES
Software Full implementation of the Arm architecture v8‑A instructions set, Arm Neon™ Advanced SIMD (single instructions, multiple data) support for accelerating media and signal processing


Armv8 cryptography extensions

TrustZone® technology support

Debian/Ubuntu Linux support

Android 7.1/Android 5.0/Android 10/Android 11 support

GPU enabled Al stack, (e.g. Caffe)

Hardware access/control library for Linux/Android 

Temperature Operation temperature: 0~50 ℃


Storage temperature: -20~80 ℃


Additional Information

Device Computer Rockchip
Type 4GB | Single Board

Get Started with the ROCK 4C+

Need some inspiration to help you create amazing applications with your brand-new ROCK 4C+? Check out our getting started guides for the ROCK 4C+ on Debian, and Ubuntu.