Radxa Okdo Single Board Computer - ROCK 4 Model C+ 4GB starter kit

Why choose ROCK for your next SBC project?

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.

Tech Specs
SoC
Rockchip RK3399‑T

CPU
Dual-Core ARM® Cortex-A72 @ 1.5GHz and Quad-Core ARM® 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

• DirectX® 11.1

Multimedia
H.265/VP9 (HEVC) hardware decode (up to 4Kp60)

H.264 hardware decode (up to 1080p60)

RAM
4GB 64bits LPDDR4

Storage
1x eMMC B2B connector

1x TF Card Slot

Display
2x Micro HDMI ports support displays up to 4Kp60 resolution and 2Kp60

1x MIPI DSI interface support 1080p@60fps

Camera
1x 2‑lane MIPI CSI

Wireless
Onboard Wireless Module

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

• Bluetooth 5.0 with BLE

Ethernet
1x Gigabit Ethernet with Power over Ethernet (PoE) support, powered by PoE with an additional HAT required

USB
1x USB3 OTG/HOST port

1x USB3 HOST port

2x USB2 HOST ports

Audio
1x 4‑ring 3.5mm Headphone Jack

HD codec that supports up to 24-bit/96KHz audio

Miscellaneous
40x color GPIO

• 2 x UART

• 2 x SPI bus

• 3 x I2C bus

• 1 x PCM/I2S

• 1 x SPDIF

• 2 x PWM

• 1 x ADC

• 6 x GPIO

• 2 x 5V DC power in

• 2 x 3.3V power pin

Software
Debian/Ubuntu Linux support

Android support

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

Operating Conditions
Recommended operating temperature: 0-50°C

Radxa ROCK 4C+ has a temperature limit of 80°C, beyond which it throttles clock speeds for reliability. For continuous high-performance use, external cooling methods like heat sinks or fans can maintain maximum clock speed below the 80°C limit



Compliance Certification
SRRC / FCC / CE / IC ID / TELEC / RCM / IMDA / NBTC / NTC / OFCA / ICASA