OpenEmbed Launches $99 em3399 Rockchip RK3399 SoM, and a Compact Evaluation Kit

Looking for a system-on-module based on Rockchip RK3399 processor? So far, you had at least four options with either edge connectors or castellated holes: Theobroma RK3399-Q7 (Qseven) SoM, 9Tripod X3399 core, Boardcon PICO3399 CPU module,  or Firefly-RK3399 CoreBoard.

OpenEmbed now offers another RK3399 system-on-module with their em3399 SoM using board-to-board connectors interfacing with the carrier board.

Click to Enlarge

OpenEmbed em3399 system-on-module specifications:

  • SoC – Rockchip RK3399 hexa-core processor with 2x Cortex-A72 cores, 4x Cortex-A53 cores, and a Arm Mali-T860MP4 GPU
  • System Memory –  2GB or 4GB DDR3L RAM
  • Storage – 16GB to 128GB eMMC 5.1 flash
  • Connectivity – Gigabit Ethernet transceiver (Atheros AR8033)
  • Power Management – Rockchip RK808D PMIC
  • 2x 120-pin board-to-board connectors (0.8mm pitch) with:
    • Display:
      • HDMI 2.0 port with audio for up to 4K @ 60Hz
      • DisplayPort 1.2 with audio for up to 4K @ 60Hz
      • MIPI-DSI (dual-channel) at up to 2560×1600 @ 60 Hz
      • eDP 1.3 (4-lane)
    • Camera – 2x MIPI-CSI (up to 13MP or dual 8MP); VOP (up to 5MP)
    • Audio – S/PDIF output, 8-channel I2S,HDMI and DP
    • Connectivity – Gigabit Ethernet
    • USB – 2x USB 3.0 host ports or 2x USB type C, 2x USB 2.0 host
    • 1x PCI-e x1
    • 5x SPI, 8x I2C, 100+ GPIOs
  • Power Supply – TBD
  • Dimensions – 84 x 55 mm
em3399 Block Diagram

The company provides support for Android 7.1 and a Linux distribution with Qt, but there’s zero information on their website about software, and was not able to get answer by email in time for this article. [Update: email reply:

The Linux and Android are ready.And Ubuntu core is under development.
We prefer to put the SDK in the Github in the Q2 of 2018.


To help with development, a cute and compact evaluation kit is also offered with a large heatsink.

Click to Enlarge

emPAC-RK3399-EVB specifications:

  • 2x 120-pin board-to-board connectors for em3399 CPU module
  • Display – HDMI 2.0a port, eDP connector, DisplayPort via USB type C port (TBC)
  • Audio – Via HDMI, 3.5mm audio jack (mic + stereo audio)
  • Camera – 1x CSI connector
  • Connectivity – Gigabit Ethernet, WiFi & Bluetooth module
  • USB – 2x USB 2.0 ports, 1x USB 3.0 port, 1x USB type C port
  • Expansion – 20-pin GPIO/Debug header with GPIOs, UART, 3.3V, 3.3V, 1.8V, GND
  • Misc – Power, Recovery and reset buttons; 5V power LED; 2-pin RTC battery header
  • Power Supply – 12V DC via power barrel jack
  • Dimensions – 84 x 55 mm

em3399 module sells for $99, and the EVB for $149 (including the module) as long as you purchase at least 100 pieces, but you can also get sample units for 20% extra either by contacting the company via the product page, or purchasing them on OpenEmbed’s Taobao page for respectively 650 CNY ($102.50) or 899 CNY (~$142 US)   for 2GB/16GB configuration and 950 CNY ($151) or 1,199 CNY ($189) or for the 4GB/32GB models.

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3 Replies to “OpenEmbed Launches $99 em3399 Rockchip RK3399 SoM, and a Compact Evaluation Kit”

  1. @tkaiser
    Strange and sad indeed. At least the form factor is smart and I wish other follow the same principle in the future (possibly slightly larger to feature PCIe).

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