UGREEN 10-in-1 USB-C Hub (CM639) User Guide
Quick guide for the UGREEN 10-in-1 USB-C Hub (CM639). Learn about port specifications, connectivity, and device compatibility to get the most out of your docking station.
Table of contents
Quick Guide
The UGREEN 10-in-1 USB-C Hub (CM639) is a versatile docking station designed to expand the connectivity of your USB-C enabled laptop, tablet, or smartphone. This device supports high-speed data transfer, high-resolution video output, and power delivery.
Device Overview
The hub features a comprehensive array of ports to support various peripherals:

- Video Output: 1x HDMI and 1x DisplayPort, both supporting up to 4K resolution at 60Hz.
- Power Delivery: 1x USB-C PD port supporting up to 100W power input for charging your host device.
- Data Ports: 2x USB-A 3.2 Gen 2 ports and 1x USB-C 3.2 Gen 2 port, all capable of 10Gbps data transfer speeds.
- Networking: 1x RJ45 Ethernet port supporting up to 1000Mbps (Gigabit) speeds.
- Storage: SD and TF card slots for memory card access.
- Audio: 3.5mm audio jack for headphones or microphones.
Usage and Compatibility
To ensure optimal performance, please note the following:
- Plug and Play: The device is generally plug-and-play on most modern operating systems (Windows, macOS, Linux).
- Video Output Requirements: For HDMI and DisplayPort functionality, ensure your host device's USB-C port supports DisplayPort Alt Mode (DP Alt Mode).
- Power Delivery: To achieve 100W charging, ensure your power adapter and cable are rated for 100W output. The hub will reserve a small amount of power for its own operation.
- Data Transfer: USB 3.2 Gen 2 ports provide high-speed data transfer. Ensure your connected devices and cables are also rated for 10Gbps to achieve maximum speeds.
Manufacturer information
UGREEN
Practical help
Common problems
Verify that your host device's USB-C port supports DisplayPort Alt Mode. Ensure the HDMI/DP cable is securely connected.
Ensure you are using a power adapter that supports the required wattage (up to 100W) and that the cable used is capable of carrying that power.
Disconnect and reconnect the hub. Ensure the USB-C connector is fully inserted into the host device.
Before use
- Verify your host device supports USB-C DisplayPort Alt Mode for video output.
- Ensure your power adapter provides sufficient wattage for your laptop's requirements.
- Use high-quality cables for 4K video and 10Gbps data transfer.
- Check that the hub is connected directly to the host device, not through another hub.
Model compatibility
- Requires a USB-C port that supports video output (DP Alt Mode) for HDMI/DP functionality.
- Compatible with Windows, macOS, and other USB-C enabled systems.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.