Arduino UNO Q 4GB board with 4GB RAM, 32GB storage is now available for $59

When the Arduino UNO Q was first unveiled in October 2025, the specifications of the Qualcomm DragonWing SBC listed the ABX00162 SKU with 2GB RAM and 16GB eMMC flash, and the ABX00173 SKU with 4GB RAM and 32GB eMMC flash.

So far, only the 2GB variant was available, and Arduino has now announced the availability of the Arduino UNO Q 4GB with 4GB of RAM and 32GB eMMC storage for more complex projects.

Arduino UNO Q 4GB (ABX00173) specifications:

• Application SoC/MPU – Qualcomm QRB2210
  • CPU – Quad-core Cortex-A53 processor at up to 2.0 GHz
  • GPU – Adreno 702 GPU at 845 MHz with support for OpenGL ES 3.1, Vulkan 1.1, OpenCL 2.0
  • DSP – Hexagon QDSP6 v66
  • VPU – 1080p 30 fps encode / 1080p 30fps decode
  • ISP – 2x Image Signal Processor (13 MP + 13 MP or 25 MP) @ 30 fps
• Real-time MCU – STMicro STM32U585 Arm Cortex-M33 microcontroller @ 160 MHz with 2048 KB flash, 786 KB RAM
• System Memory – 4GB RAM
• Storage – 32GB eMMC flash
• Video Output – Via USB-C port or HDMI via USB-C dongle. MIPI DSI on header
• Wireless – Dual-band WiFi 5 and Bluetooth 5.1 via WCBN3536A module
• USB – USB Type-C port for power, programming, and video output
• Expansion
  • STM32 – Arduino UNO headers and JMISC connector:
    • 47x GPIOs, including 22x on JANALOG/JDIGITAL (Arduino headers) and 25x on JMISC
    • 6x PWM shared with GPIOs
    • 16x interrupts
    • 3x USART, 2x UART, 4x I2C, 3x SPI
    • CAN Bus (FDCAN)
    • 1x PSSI (Parallel Synchronous Slave Interface)
    • 2x SAI
    • 6x 14-bit ADC input
    • 2x 12-bit DAC
    • 2x OPAMP
  • Qualcomm – JMISC and JMEDIA connectors with
    • Up to 12x GPIO
    • Display – MIPI DSI bus
    • Audio – Microphone IN / Headphone OUT / Line OUT and Ear OUT
    • Camera – Dual MIPI CSI
  • Qwiic I2C connector
  • I/O operating voltage – +3.3 VDC MCU (+5 VDC tolerant) | +1.8 VDC MPU
  • DC Current per I/O pin – 20 mA (JANALOG and JMEDIA)
• Debugging – JCTL MPU Remote Debug connector
• Misc
  • STM32 – 2x RGB LEDs, 13×8 RGB LED matrix
  • Qualcomm – 2x RGB LEDs, power button
• Power Supply
  • 5V DC up to 3A via USB-C port
  • 7 to 24V DC via Vin pin
• Dimensions – 68.58 x 53.34 mm (Arduino UNO form factor)

The Arduino UNO Q (ABX00162) with 2GB RAM and 16GB eMMC flash still recommended in projects where low power consumption or low cost are necessary, but people may want to prefer to use the Arduino UNO Q 4GB if they intend to use it as a standalone Debian Linux SBC with a monitor, keyboard, and mouse, or when running multiple high-level processes or complex AI or machine learning models that could cause excessive swapping on the 2GB model, as well as when they require substantial built-in storage for logs and data or when using the board to build packages.

As a reminder, the Qualcomm QRB2210 microprocessor runs Debian Linux OS with upstream support, while the STM32U5 microcontroller runs Arduino Code on Zephyr OS. The documentation has more details to get started. What has changed since the original announcement is that people have had the chance to get their hands on UNO Q boards, and created various projects from a desk robot to a gaming arcade, and managed to run software like Scratch visual programming IDE, Klipper 3D printer controller, FreeCAD 3D CAD modeler, and plenty of games. It’s a Linux SBC after all, so most open-source projects should run fine, especially now that the 4GB RAM variant is available.

The Arduino UNO Q 4GB SBC can be purchased on the company’s store for $59, and you’ll also find it on various distributors like Digikey, Mouser, and others. For reference, the Arduino UNO Q 2GB goes for $44.

Support CNX Software! Donate via cryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress. We also use affiliate links in articles to earn commissions if you make a purchase after clicking on those links.