Ugreen CM555 12-in-1 USB-C Multifunction Docking Station HDMI ,Ethernet, SD/TF, 3.5mm, Gray

UGREEN CM555 12-in-1 Docking Station

The UGREEN CM555 12-in-1 Docking Station (90325) combines dual HDMI, DisplayPort, USB data ports, Gigabit Ethernet, 100W Power Delivery, SD/TF card readers, and 3.5mm audio through a single USB-C connection. It supports up to three external displays and up to 8K@30Hz maximum display resolution.

Key Features

• 12-in-1 connectivity: Provides two HDMI outputs, one DisplayPort, three USB-A ports, one USB-C data port, Gigabit Ethernet, USB-C PD, SD, TF, and 3.5mm audio.
• Triple-display support: Connect up to three external displays using the dual HDMI and DisplayPort outputs.
• 8K display output: The HDMI 8K port supports up to 8K@30Hz, while the second HDMI and DisplayPort outputs support up to 4K@60Hz.
• 100W Power Delivery: The USB-C PD 3.0 port supports up to 100W power delivery for compatible laptops and devices.
• 10Gbps USB data: One USB-A 3.1 Gen 2 and one USB-C 3.1 Gen 2 port support transfer rates up to 10Gbps; two USB 3.0 ports support up to 5Gbps.
• Gigabit Ethernet: The RJ45 port supports 10Mbps, 100Mbps, and 1000Mbps network speeds.
• SD and TF card readers: Both card slots support transfer rates up to 104MB/s according to the product specifications.
• 3.5mm audio: Supports stereo audio output, microphone input, and in-line controls for compatible headphones.
• Aluminum-alloy construction: The dock uses an aluminum-alloy housing and has a 15cm connection cable.
  

Key Specifications

Best For

• Multi-monitor laptop and desktop workstations
• Office productivity and multitasking
• Content creation and workflows requiring SD or MicroSD cards
• High-speed external USB storage and peripherals
• Wired Gigabit Ethernet connections
• Laptop setups requiring USB-C charging and multiple peripherals through one dock
  

Compatibility Notes
The supplied UGREEN product page lists Windows and macOS support via DisplayLink. The dock provides a USB-C host connection and supports triple external displays through its two HDMI outputs and DisplayPort. Display output capabilities depend on the connected computer, operating system, and display configuration.

The official UGREEN specifications identify the three display outputs as one HDMI 2.1, one HDMI 2.0, and one DisplayPort 1.2, with a maximum stated resolution of 8K@30Hz.

Frequently Asked Questions

How many monitors can the UGREEN CM555 support?
The CM555 supports up to three external displays using its two HDMI outputs and one DisplayPort output.

Does the dock support laptop charging?
Yes. Its USB-C PD 3.0 charging port supports up to 100W Power Delivery for compatible devices.

What are the fastest data ports?
The USB-A 3.1 Gen 2 and USB-C 3.1 Gen 2 data ports support up to 10Gbps, while the two USB 3.0 ports support up to 5Gbps.

Warranty & Support
Includes warranty.