$133.00 per ea

Quantity Price
ea $133.00
per ea
All prices shown are (inc. GST)


The ROCK Model 4C Plus is a reliable, multifunctional and high-performing single-board computer packed with a wide range of class‐leading functionality, features and expansion options. An ideal choice for anyone from hobbyists to professionals who need an extremely highly specified platform with outstanding reliability. Developed by OKdo Technology in collaboration with Radxa, the board incorporates class-leading functionality suitable for multiple multimedia and industrial applications, ensuring outstanding reliability.

With the onboard On/Off power button, the ROCK 4C+ is an energy-efficient single-board computer. It also features multiple storage capabilities, such as 4GB 64-bit RAM and eMMC socket, an integrated fan control, an external antenna, an audio jack, dual-display support and two micro-HDMI ports supporting displays up to 4Kp60 resolution (1 x 2K up to 1440P@60, 1 x 4K 2.0 up to 4k@60). It's compatible with multiple software options, including Android, Debian/Ubuntu Linux, the full implementation of the Arm architecture v8A instructions set, and others. The 40P GPIO extension supports a wide range of interface options, providing the board with high connectivity capabilities, such as Bluetooth 5.0 with BLE, Gigabit Ethernet and Wireless LAN and extensive compatibility with a wide range of accessories.

Need to know more?
Read the Rock 4C Getting Started Guide - Debian
Read the Rock 4C Getting Started Guide - Ubuntu
Operating System Downloads

Note: this board has the same form factor as the R-Pi 4 and is compatible with majority of R-Pi 4 accessories, including camera modules.

Technical Features
Rockchip RK3399T SoC
Arm® big.LITTLE™ technology (Dual Cortex®-A72 frequency 1.5GHz and a Quad Cortex-A53 frequency 1.0GHz)
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
Dual Arm Cortex – M0
Dual channel 4GB 64bit LPDDR4
eMMC connectors
Display supporting mirror and extended modes
Dual micro-HDMI
H.265/VP9 (HEVC) hardware decode (up to 4Kp60)
H.264 hardware decode (up to 1080p60)
USB TypeC™ power input

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 addon PoE HAT)
1 x camera port (2lane MIPI CSI)
1 x display port (4lane 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.

Supported software
Full implementation of the Arm architecture v8A 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
Hardware access/control library for Linux/Android
Virtually interchangeable with a Raspberry Pi 4B 4GB


  • On board on/off power button
  • Integrated fan control forthermal management
  • Dual-display support
  • Two micro-HDMI ports
  • Supports display resolutions up to 4K @ 60hz (1 x 2K up to 1440P@60, 1 x 4K 2.0 up to 4k@60)
  • Multiple connectivity capabilities so less add on hardware required, including Bluetooth 5.0 with BLE, Gigabit Ethernet & Wireless LAN
  • A 40P GPIO expansion header provides extensive compatibility with a wide range of accessories
  • Get more multiple memory options, including 4GB RAM and a speed eMMC socket
  • Compatible with most R-Pi 4 accessories, including cases, cameras and HAT modules

Information & Downloads


  • Processor:
  • 64bits hexa core processor
  • Rockchip RK3399-T
  • Dual Cortex-72, frequency 1.5GHz with qual Cortex-A53, frequency 1.0GHz
  • Mali T860MP4 gpu, support OpenGL ES 1.1/2.0/3.0/3.1/3.2, Vulkan 1.0, Open CL 1.1 1.2, DX11.
  • Memory
  • LPDDR4
  • 64bit dual channel LPDDR4@3200Mb/s, 1GB/2GB/4GB optional
  • Storage
  • eMMC connector
  • μSD card (μSD slot supports up to 256 GB μSD card)
  • Display
  • One Micro HDMI 2K up to 1440P@60
  • One Micro HDMI 4K 2.0 up to 4k@60
  • MIPI DSI 4 lanes via FPC connector
  • Only two of HDMI 2k, HDMI 4K and MIPI DSI can work at the same time.
  • 3.5mm jack HD codec that supports up to 24-bit/96KHz audio.
  • Camera
  • MIPI CSI 2 lanes via FPC connector, support up to 800 MP camera (0.3mm pitch connector).
  • Wireless
  • 802.11 ac wifi
  • BT 5.0
  • with external antenna
  • USB
  • Supported USB Standards: USB 3.0, USB 2.0
  • USB Port Types: USB Type A, USB Type C
  • Number of USB ports: 5 ports
  • Ethernet
  • GbE LAN with Power over Ethernet (PoE) support
  • additional HAT is required for powering from PoE
  • IO
  • 40-pin expansion header
  • 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 DC power in
  • Lan Details
  • LAN Standard: 1000BASE-T (10/100/1000Mbps)
  • LAN Port Type: RJ45
  • Number of LAN Ports: 1 ports
  • General
  • Power: USB C 5V/3A
  • External port type: GPIO 40pin
  • Digital Storage Details: Included capacity 4GB
  • Supported Wi-Fi Modes: 802.11ac
  • CPU: 64-Bit Quad Core ARM Cortex-A72 Processor
  • RAM: 8GB
  • Bluetooth Version: V5.0
  • Dimensions: 86L x 11H x 57Wmm
  • Weight: 50g
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.

Accessories (Sold Separately)