Rock Pi 4 Model B

South Africa: Price: R115, 2-4 working days.
International: Contact us for a quote.
No Charge - 3 Appian Place, 373 Kent Ave, RandburgEffortlessly bridge legacy and modern technologies with our DB9 to USB Connector, enabling seamless connectivity between serial devices and USB ports.

All items subject to 1 month warranty. Extended 12 month warranty available at 20% of purchase price. t&c apply

Radxa Rock Pi 4 Model B

Powered by a Rockchip RK3399

The Rock Pi 4 single board computer is powered by a Rockchip RK3399 hexa-core processor coupled with 1 to 4GB RAM, and following Raspberry Pi 3 and ASUS Tinker board form factor.  There are two variants with Rock Pi 4 SBC, Model A and Model B.  There will be two variants with Rock Pi 4 Model A and Model B sharing most of the same specifications:

We also stock the Rock Pi 4 Model B+


  • Rockchip RK3399 64bit hexa core based SBC

    Small form-factor, rich feature set, outstanding design and performance.

    Rock Pi 4 is the perfect choice for your personal or business oriented projects.

    Rock Pi 4B product details

    RK3399 64bit hexa core processor

    Dual Cortex-A72, freqency 1.8Ghz with quad Cortex-A53, frequency 1.4Ghz


    Mali T860MP4 gpu, supports 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 or 4GB

    SPI Flash

    4MB SPI flash soldered - NVMe booting from SPI supported

    Wifi/BT Antenna

    Wifi/BT with external antenna support*

    *an uFL connector must be soldered on the board, which will then disable the on board antenna. Connector and soldering service available in the store!

    Storage eMMC module

    Optional industrial compatible high performance eMMC module, 16G/32G/64G/128G available

    Micro SD card

    uSD slot supports up to 128G uSD card

    M.2 SSD

    M.2 connector supports up to 2T M.2 NVME SSD

    note: M.2 extension board plus heat-sink is recommended for proper mounting on Rock Pi 4

    Display HDMI

    HDMI 2.0 up to 4k@60


    MIPI DSI 2 lanes via FPC connector

    HDMI and MIPI DSI can work at the same time, support mirror mode or extend mode.

    Audio 3.5mm jack with mic with improved mechanics

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

    Camera MIPI CSI

    MIPI CSI 2 lanes via FPC connector, support up to 8MP camera

    USB 3.0 OTG x1

    hardware switch for host/device switch, upper one

    USB 3.0 HOST x1

    dedicated USB3.0 channel, lower one

    USB 2.0 HOST x2

    Ethernet GbE


    Wireless 802.11 ac wifi 2,4/5GHz

    Bluetooth 5.0


    GbE LAN with PoE support

    additional HAT is required for powering from PoE

    IO 40-pin expansion header :

    - 1 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


    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

    Power Supply Qualcomm® Quick Charge™

    Support QC3.0/2.0 adapter, 9V/2A, 12V/1.5A

    Size 85mm x 54mm

Specifications for Rock Pi 4 Model B

RAM/Memory 2GB or 4GB or 16GB
Mounted uFL antenna socket 4GB Mounted uFL antenna socket No or 2GB Mounted uFL antenna socket No or Yes or No or 4GB Mounted uFL antenna socket Yes

Mounted uFL antenna socket

4GB Mounted uFL antenna socket No , 2GB Mounted uFL antenna socket No , Yes , No , 4GB Mounted uFL antenna socket Yes


2GB , 4GB , 16GB