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| Basic Information | ||
| Interface | USB-C | |
| Others | Dual HDMI (Dual 4K@60Hz), 10Gbps data, 1000Mbps Ethernet, SD/TF card reader, 100W USB-C PD charging | |
| Manufacturing Warranty | 1 Year | |
The UGREEN CM639 (45380) Multifunction 10-in-1 USB-C Docking Station is built to turn a single USB-C port into a complete workstation—perfect for office productivity, online classes, and smooth entertainment setups. With a durable aluminum casing, it’s designed for everyday use while keeping your desk organized. Instead of constantly plugging and unplugging multiple accessories, this USB-C hub consolidates essential ports in one compact device, helping you connect monitors, storage, networking, and card readers with less hassle.
Enjoy stunning dual display output with two HDMI ports that support up to 4K resolution at 60Hz. On Windows systems, the dock supports Multi-Stream Transport (MST), enabling dual 4K displays at 60Hz in extended or mirrored modes—ideal for multitasking, spreadsheets alongside reference material, or presentations with a dedicated display. On macOS, you can use crisp mirrored display mode, while extended dual-display support is not available due to system limitations. If you’re choosing a docking station for a dual-monitor workflow, this makes the CM639 especially suitable for Windows users who want high refresh clarity for work and media.
For fast file movement and responsive peripheral performance, the dock includes USB-C data support with ultra-fast 10Gbps transfer. It also provides two USB-A ports for connecting common accessories such as external drives, keyboards, and other peripherals. The dock supports both high-speed 10Gbps and standard 5Gbps connections, giving you flexibility depending on the device you plug in—use the faster paths for large backups and media transfers, and the standard speeds for everyday input devices.
The CM639 features a USB-C Power Delivery charging port that supports up to 100W. This is designed for charging your laptop while you work, so you can keep power connected through the same dock that handles your displays and peripherals. For users who want a cleaner setup—one cable for power plus connectivity—this reduces cable clutter and helps maintain a more stable, desk-friendly workstation layout. Note that the USB-C PD port is for charging only and does not support data or video output.
Wired internet users will appreciate the built-in RJ45 Ethernet port with stable gigabit speeds up to 1000 Mbps. This helps deliver consistent performance for video calls, large file downloads, and smooth streaming—especially useful in environments where Wi-Fi may be crowded or less reliable. If you frequently attend online meetings or work with cloud tools, a gigabit Ethernet connection can provide a more dependable experience than wireless alone.
For creators and photographers, the integrated SD and TF card readers support SD 3.0 standards and offer transfer speeds up to 104 MB/s. This makes it convenient to move photos, videos, and project files quickly—useful for editing workflows where time matters. Having card readers built into the docking station also reduces the need for separate USB card readers, keeping your setup streamlined.
The UGREEN CM639 is a strong choice for anyone looking for a multifunction USB-C docking station that supports dual 4K@60Hz output, ultra-fast 10Gbps data transfer, gigabit Ethernet, and SD/TF card reading—all in one aluminum dock. It’s especially well-suited for Windows laptop users who want extended or mirrored dual-monitor setups at 60Hz. If you’re using macOS, plan around mirrored display mode for dual-screen use. Before purchasing, confirm your laptop’s USB-C display capabilities and operating system support to get the best dual-display experience.
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