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ROM : Standard 16GB EMMC, up to 128GB Display
eDP : Standard eDP interface, supporting up to 1080 resolution
TF Card : Self-elastic TF card socket, supports 256GB TF card
POE : 1-way POE power receiving interface
Operating Temperature : -20℃~70℃
Model Number : H-3399 Mainboard
Place of Origin : China
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T
Supply Ability : 200+/day
CPU : RK3399, dual-core Cortex-A72+ quad-core Cortex-A53, Clock up to 1.8GHz
Serial ports : 2-way TTL/RS232compatible built-in serial port
Pilot lamp : Green work indicator light
Structure Compatibility : Compatible with H0、H3 structure and interchangeable
HDMI : HDMI 2.0 interface, supporting up to 4K resolution
MIC Input : Differential MIC input
USB OTG : 1 USB3.0 OTG interface
Size : 100mm* 80mm
LVDS : Supporting up to 1080P resolution
Amplifier Output : 8 ohm·-6W dual- channel audio amplifier output
MIPI : 31Pin FPC MIP-DSI interface, supporting up to 1920x1200 resolution
Line Output : Standard left and right channel line output
Linux System : Linux Buildroot, Debian 9, Ubuntu18.04 Optional
DC Input : 12V DC socket, supports 9V-15V wide voltage input
USB Host : 2 external USB3.0, 8 built-in USB2.0 (one of which is CPU pass-through USB)
Ethernet : 1-way 10/100/1000Mbps adaptive Ethernet
Humidity : 0%-95% (non-condensing)
12C : 2-way I2C interface
Bluetooth : High-performance Bluetooth, Support BT V4.0
GPU : Mali-G52 2EE
Wi-Fi : High-performance WiFi, supports 802.11 b/g/n/ac
RAM : Standard 2GB LPDDR4, optional 4GB
Backlight : 1-way backlight control interface, supports switch and brightness adjustment
Delivery Time : 5-8 work days
RTC : Low power consumption RTC circuit with CR1220 battery
Headphone : American standard four-stage headset integrated 3.5mm socket
Android system : Recommended Android 7.1, Android 8.1 and Android 9.0 are optional
Infrared : Infrared receiving pin header
Button : Burn button and power button
GPIO : 5-way GPIO signals
Thickness : 9mm
H-3399 Smart HMI Motherboard
The H-3399 Smart HMI Motherboard delivers flagship performance for demanding human-machine interface applications, powered by the Rockchip RK3399 hexa-core processor (dual Cortex-A72 @ 1.8GHz + quad Cortex-A53 @ 1.4GHz). This big.LITTLE architecture provides exceptional computing power for AI-driven applications, making it ideal for service robots, face detection and recognition systems, industrial control equipment, and interactive kiosks. The Mali-T860 GPU supports 4K hardware decoding via HDMI 2.0a, while the board offers four display interfaces — LVDS (1080P), HDMI 2.0a (4K), MIPI-DSI, and eDP (1080P) — providing unmatched display flexibility. With USB 3.0 ports, Gigabit Ethernet, 8Ω 6W dual amplifier output, CTIA 4-pole headset jack, differential MIC input, and support for Android 7.1/8.1/9.0 and Linux (Buildroot/Debian 9/Ubuntu 18.04), the H-3399 is the ultimate platform for advanced HMI and edge intelligence applications.
Hexa-Core big.LITTLE Architecture: The RK3399's dual Cortex-A72 cores handle intensive AI inference and multimedia processing while quad Cortex-A53 cores manage background tasks — delivering desktop-class performance with excellent power efficiency.
Four Display Interfaces for Ultimate Flexibility: LVDS + HDMI 2.0a (4K) + MIPI-DSI + eDP — support virtually any display technology, from industrial panels to 4K monitors, without hardware redesign.
USB 3.0 + Gigabit Ethernet: USB 3.0 delivers 10× faster data transfer than USB 2.0 for high-speed camera uploads and firmware updates, while Gigabit Ethernet ensures fast, reliable network connectivity for cloud-based services and remote management.
Multi-OS Support: Android 7.1/8.1/9.0 and Linux (Buildroot/Debian 9/Ubuntu 18.04) — choose the platform that best fits your application, from Android apps to custom Linux development.
Built-in Audio Amplifier: 8Ω 6W dual amplifier drives speakers directly — no external amplifier board needed for voice prompts, alarm notifications, or audio feedback.
5MP Camera Support: Supports USB cameras up to 5MP — high-resolution image capture for face recognition and visual inspection applications.
AI-Ready Processing Power: The RK3399 provides the compute headroom needed for on-device AI inference — run face detection, object recognition, and machine learning models directly on the board. No cloud latency, no external NPU required (though expansion is available).
Most Display Interfaces in the HMI Lineup: With LVDS, HDMI 2.0a (4K), MIPI-DSI, and eDP, the H-3399 offers unmatched display flexibility — adapt to any panel technology without board changes.
Built for Robotics and Intelligent Systems: Service robots, face recognition terminals, and industrial controllers demand both processing power and connectivity. The H-3399 delivers with hexa-core performance, USB 3.0, Gigabit Ethernet, and flexible OS options.
Enterprise-Grade Connectivity: USB 3.0 and Gigabit Ethernet provide the high-speed data transfer essential for AI applications — fast camera uploads, real-time cloud communication, and large data transfers.
Operating System Freedom: Whether you're building on Android or Linux, the H-3399 supports both — choose the platform that fits your development team's expertise and application requirements.
| Item | Details |
|---|---|
| Packaging | Anti-static bag + foam padding + industrial carton |
| MOQ | 1 piece (sample order), 100+ for volume pricing |
| Lead Time | 3–5 working days for samples; 15–20 working days for bulk orders |
| Shipping | DHL, FedEx, UPS, or by sea (customer's choice) |









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H-3399 Smart HMI Motherboard Quad Core Mali-T860 Standard 16GB EMMC 2 external USB3.0 Images |