OKdo ROCK 4 Model SE 4GB Single Board Computer Rockchip RK3399-T ARM Cortex-A72 + Cortex-A53


OKdo ROCK 4 Model SE 4GB Single Board Computer Rockchip RK3399-T ARM Cortex-A72 + Cortex-A53

OKdo ROCK 4 Model SE 4GB Single Board Computer Rockchip RK3399-T ARM Cortex-A72 + Cortex-A53

  • ROCK 4 SE - a robust, versatile special edition single-board computer  
  • Based on a high-performing Hexa-core Rockchip RK3399-T processor 
  • Hexa-core processor with big.LITTLE™ Arm® Dual Cortex-A72® CPU, Quad-core Cortex-A53 and Arm Mali™ - T860MP4 GPU 
  • Available in a 4GB 64bit LPDDR4 RAM option 
  • Expandable with eMMC module or SSD through m.2 connector  
  • Onboard RTC, WiFi, Bluetooth, Antenna, Audio jack (headphone and headset), 4K HDMI port 
  • Developed by OKdo Technology in collaboration with Radxa 

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Product Details


ROCK 4 SE is a reliable and high-performing single-board computer that offers class-leading performance and superior hardware as standard. This special edition board is based on a powerful Rockchip RK3399-T hexa-core processor, big.LITTLE™ Arm® Dual Cortex-A72® CPU, Arm Mali™ – T860MP4 GPU and 4GB 64bit LPDDR4 RAM. With onboard RTC, WiFi, Bluetooth, antenna, audio jack, 4K HDMI port, and many more, ROCK 4 SE is the perfect Raspberry Pi alternative, that provides an incredible performance solid as a ROCK!


Note: We recommend using a PD or QC power supply with a maximum output of 9V or 12V.

What Are the Key Benefits of the ROCK 4 SE? 

Powerful Rockchip processor  

A low-power high-performing Rockchip RK3399-T processor is embedded into the heart of the ROCK 4 SE board. Equipped with an Arm® big.LITTLE™ technology Dual Cortex®-A72@1.5GHz, Quad Cortex-A53@1.0GHz CPU, Arm Mali™ – T860MP4 GPU and 4GB 64bit LPDDR4 RAM, be sure that your board will provide a high-performance solid as a ROCK!  

Extensive storage capacity 

ROCK 4 SE offers you an immense advantage over other competitors’ boards, benefiting from extensive storage capability. It features a Micro SD card, an eMMC and an M.2 (M key), ensuring the board with a tremendous amount of additional storage capacity.  

RTC (real-time clock)  

The onboard real-time clock allows you to accurately register the time even when the ROCK 4 SE is powered off. The board features an onboard connector for an RTC battery. 

Multiple connectivity capabilities 

The board offers you multiple connectivity capabilities, including Bluetooth 5.0, WiFi, Gigabit Ethernet, USB and HDMI ports, and a built-in antenna, allowing you to widely incorporate ROCK 4 SE into your applications.  

Highly compatible with SBC accessories 

ROCK 4 SE features an onboard 40P GPIO extension header, offering extensive compatibility with a wide range of SBC accessories. 

Advanced multimedia functions 

The ROCK 4 SE is fitted with an Arm Mali™ – T860MP4 quad-core graphics processing unit (GPU), ideal for advanced multimedia applications, including games. The board incorporates camera and display interfaces, an HDMI port supporting displays up to 4Kp60 resolution, a high-quality audio output via a 3.5mm onboard audio jack that supports microphone input as default, and much more. 

Why is ROCK 4 SE the perfect Raspberry Pi alternative? 

  • Better performance – 4GB 64bit RAM, more processing cores and a broader memory interface, 
  • Extensive storage capacity, 
  • Similar form factor, 
  • 40 pin GPIO extension header. 

How to customise your ROCK board? 

Your board, your way. With OKdo, you can customise the board in large volumes. Reach out to us and find out our conditions and how you can customise the ROCK 4 SE to tailor it to your design needs. 

You can now benefit from the adaptive design of the ROCK 4 SE and add or remove components or even fully configure it for low-cost applications efficiency and environmental improvements.​ Speak to an expert, contact us here. 


Tackling the shortage of semiconductors on the market, OKdo, in collaboration with Radxa, ensured long-term stock availability of ROCK 4 SE, sparing you from stock hunting and allowing you to focus on designing the world with breath-taking innovations.  

Technical Specifications

ROCK 4 SE 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, DX11 
Memory Dual channel (64bit) 4GB LPDDR4 RAM 
Power Req USB Type-C™ PD/QC 9-12V 
HDMI 1 x 4k@60fps HDMI 
USB 2 x USB 2.0
1 x USB 3.0, 1 x USB 3.0 OTG (Switchable)
Audio Ports 3.5mm jack, analogue stereo output, microphone input
Connectivity WiFi 5/BT 5.0, BLE, Gigabit Ethernet
MIPI 1 x 2 lane DSI/1 x 2 lane CSI
Storage Micro SD / M.2 (M key) / eMMC
EMMC B2B connector
RTC YES (support for external battery)
Software ARMv8 Instruction Set

Debian/Ubuntu Linux support

Android 7.1/Android 9.0/Android 10/Android 11 support

GPU-enabled AI stack such as Caffe

Hardware access/control library for Linux/Android

Temperature Operation Temperature: 0~50 ℃/ Storage Temperature: -20~80 ℃

Key product features of ROCK 4 SE

ROCK 4 SE features

ROCK 4 SE product features

Pinout Diagram of the ROCK 4 SE

Pinout Diagram of the ROCK 4 SE

Get Started with the ROCK 4SE

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









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