Radxa Dragon Q8B

Product Overview

Radxa Dragon Q8B is a flagship motherboard based on the Qualcomm Snapdragon 8cx Gen 3 (Qualcomm SC8280XP) compute platform. Built on a 5 nm process, it integrates an 8-core CPU and Qualcomm AI Engine with 29+ TOPS, delivering flagship compute performance with excellent power efficiency.

Designed for edge computing, intelligent terminals, and similar applications, Dragon Q8B provides dual 2.5GbE ports, three 4K120 display outputs, high-speed storage expansion, and rich peripheral interfaces to help products move quickly from prototype to scaled deployment.

Product Appearance

No.	View	No.	View	No.	View
①	Dragon Q8B Front	②	Dragon Q8B Side	③	Dragon Q8B Rear

Product Specifications

Item	Radxa Dragon Q8B
SoC	Qualcomm Snapdragon 8cx Gen 3 (Qualcomm SC8280XP)
CPU	Qualcomm Kryo™ CPU - 8-core CPU, 4x Kryo Prime @3.0GHz + 4x Kryo Gold @2.4GHz - 64-bit CPU architecture
GPU	Qualcomm Adreno™ GPU - Supports DirectX - Supports DirectML
NPU	Qualcomm Hexagon™
AI Performance	Qualcomm AI Engine - Up to 29+ TOPS
Sensing and Acceleration	Qualcomm Hexagon processor Qualcomm Sensing Hub
Process	5 nm process
Memory	LPDDR4X - Capacity: up to 32GB - Data rate: up to 4266 MT/s - Memory bus width: 128-bit (8 channels, 16-bit per channel)
Codec	Qualcomm Adreno VPU (5th generation UHD video processing unit) - Video decoding: up to 4K120 - Video encoding: up to 4K60 - Native decoding: H.265 Main 10 / H.265 Main / H.264 High / VP9 Profile 2 - Native encoding: H.265 Main 10 / H.265 Main / H.264 High
Storage	1x microSD card slot 1x UFS module connector (UFS 3.1 gear 4 x2) 1x M.2 M Key 2280 slot (PCIe 3.0 x4) 1x M.2 M Key 2280 slot (PCIe 3.0 x2)
Display	1x HDMI 2.1 standard port (Type-A) 2x USB Type-C ports (USB 3.1, DisplayPort 1.4 Alt Mode supported) - Up to 4K120
Network	2x 2.5GbE RJ45 ports 1x M.2 E Key 2230 slot for WiFi 6E / Bluetooth 5.3 module
USB	2x USB 3.2 Gen 2 Type-C ports (DisplayPort 1.4 Alt Mode supported) 2x USB 3.2 Gen 2 Type-A ports 2x USB 2.0 Type-A ports 1x USB Type-C power port (20V)
Audio	1x 3.5 mm headphone jack 1x microphone connector
Power	1x USB Type-C power port 1x power input header - 12-20V power input - Supports external power button
Other	1x power button 1x EDL button 1x RTC connector 1x fan connector 1x FPC connector (PCIe 3.0 x1) 1x 40-pin GPIO header - Supports UART / I2C / SPI / GPIO
Operating System	Radxa OS Windows Ubuntu Armbian Arch Linux Nix OS Debian ······
Dimensions	100 mm x 75 mm

Interface Description

No.	Description	No.	Description	No.	Description
1	40-pin GPIO header	2	LPDDR4X memory	3	FPC connector
4	Qualcomm Snapdragon 8cx Gen 3 (Qualcomm SC8280XP)	5	Microphone connector	6	Power header
7	3.5 mm headphone jack	8	USB Type-C power port (20V)	9	HDMI 2.1 port
10	USB 2.0 Type-A port	11	UFS module connector	12	2x USB-C (DP Alt Mode supported)
13	EDL button	14	Fan connector	15	M.2 E Key slot
16	RTC battery connector	17	2.5GbE Ethernet port	18	2x USB 3.2 Gen2 Type-A ports
19	M.2 M Key 2280 slot - PCIe 3.0 x2	20	M.2 M Key slot - PCIe 3.0 x4	21	microSD card slot

Application Scenarios

Linux Beginners

As a Linux-based single-board computer, Dragon Q8B can be used for Linux learning as well as low-level and application development.

Robot Development

As the controller for robotics development, Dragon Q8B provides strong performance and rich hardware interfaces for developing robotics applications.

Embedded Development

Dragon Q8B exposes rich GPIO interfaces and supports UART, SPI, I2C, and other communication methods, making it convenient to drive various hardware.

AI Development

The built-in Qualcomm® AI Engine provides up to 29+ TOPS of comprehensive AI compute performance, accelerating AI development.

System Platform

Based on the Qualcomm Snapdragon® 8cx Gen 3 (Qualcomm SC8280XP) SoC, Dragon Q8B supports multiple operating systems:

• Radxa OS
• Windows
• Ubuntu
• Armbian
• Arch Linux
• Nix OS
• Debian
• ······