CM3I
A Feature Rich Industrial Embedded SoM
The Radxa CM3I is a high-performance computing module powered by the Rockchip RK3568(J) SoC, masterfully integrating a CPU, GPU, NPU, PMU, LPDDR4 memory, and eMMC storage into a compact 70mm x 40mm form factor. This module boasts not only exceptional computational prowess but also remarkable capabilities in graphical rendering and artificial intelligence computations.
Ensuring Stable Long-Term Operation
with High Anti-Interference
Industrial-Grade SoC
Rockchip RK3568J
4K Ultra HD Display with Multi-Monitor Support
> 4KP60 H.265 / H.264 / VP9 video decoder
> 1080P60 H.264 / H.265 video encoder
> Support 8M ISP, support HDR
4x 100-Pin B2B Connector for
Rich Functionality
Robust and User-Friendly
Durable and Easy-to-Disassemble B2B Connectors
The design incorporates a locking mechanism for a secure connection to the baseboard, ensuring enhanced durability and greater stability
> up to "3000" times Insertion times
> 0.4mm Pin spacing
Streamlined Validation and Interface Testing
Comprehensive Validation and Easy Interface Testing with Radxa CM3I IO Board
Comprehensive Technical Documentation and
Active Community
Quality Assurance and
Long-Term Supply and Maintenance
01- Stringent Testing, Pursuing Excellence in Quality
A standardized manufacturing process, from component procurement and surface mounting to final production, undergoes multiple rigorous tests to ensure strict quality control.
 Advanced Manufacturing |
 Quality Assurance |
 Premium Materials |
02- Million-Level Shipment Quality Assurance and Supply Chain Optimization
With annual shipments of Radxa-related products in the millions, our supply chain has been optimized for large-scale production with quality assurance. By choosing Radxa's design services, customers can enjoy cost-effective and reliable quality guarantees.
 Steady Supply |
 Automated Production |
 Timely Logistics |
Block Diagram
Interfaces
Tech specs
| Radxa CM3I Specifications | |
|---|---|
| SoC | Rockchip RK3568(J) |
| CPU | Quad‑core Arm® Cortex™‑A55 (Armv8) 64‑bit @ 2.0GHz |
| GPU | Arm® Mali™ G52 - OpenGL® ES 1.1 / 2.0 / 3.2 - OpenCL™ 2.0 - Vulkan® 1.1 |
| NPU | 1 TOPs @ INT8 / INT16 / FP16 / BFP16 MAC hybrid operation Supports TensorFlow, TF-lite, Pytorch, Caffe, ONNX, MXNet, Keras, Darknet |
| RAM | LPDDR4 Memory |
| Storage | Optional Onboard eMMC Supports SDMMC interface for SD card booting |
| Multimedia | H.265 / H.264 / VP9 decoder up to 4K@60fps H.264 / H.265 encoder up to 1080P@100fps |
| Wireless | Optional WiFi (2.4GHz & 5GHz 802.11b/g/n/ac) BT 5.0, BLE 1x external antenna connector |
| Ethernet | 1x Onboard Gigabit Ethernet PHY 1x Gigabit Ethernet MAC |
| USB | 2x USB 2.0 Host 1x USB 3.0 Host 1x USB 3.0 OTG |
| PCIe | 1x PCIe 1-lane Host Gen 2 (5Gbps) 1x PCIe 2-lane Host Gen 3 (16Gbps) |
| SATA | 3x SATA Ports - Shared with USB 3 Host - Shared with PCIe - Shared with USB 3 OTG |
| Display | 1x HDMI up to 4K@60fps 1x eDP (4 lanes, 2.7Gbps/lane) 2x MIPI DSI (4 lanes, 1.6Gbps/lane) 1x LVDS (4 lanes, muxed with MIPI DSI0) |
| Camera | 1x 4-lane MIPI CSI RX or 2x 2-lane MIPI CSI RX 1x 4-lane MIPI_D/C PHY RX |
| Connectivity | Up to 8x UART Up to 4x SPI Up to 2x CAN Up to 4x I2C |
| Audio | I2S, PDM (supports mic array) |
| Connector | 4x 100-Pin 0.4mm pitch B2B connector |
| Dimension | 70mm x 40mm |
| Operating Temperature | J0 model (RK3568): 0 ~ 50°C J1 model (RK3568J): ‑40 ~ 85°C |
| Compliance | FCC / CE |
Download
Product Information
| Product Brief | Download |
| Schematic V1.31 | Download |
| Components Placement Map (SMD V1.31) | Download |
| Pinout V1.31 | Download |
| Radxa CM3I V1.31 2D DXF | Download |
| Radxa CM3I V1.31 3D DXF | Download |
Design Resources
| Radxa CM3I IO Board | Download |
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Discussion Forum
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