UGREEN CM639 8-in-1 Multifunction Adapter

The UGREEN CM639 multifunction adapter expands a single USB-C port into eight versatile connections, providing comprehensive connectivity options for your devices. This hub efficiently combines multiple essential ports while maintaining high-speed data transfer capabilities and diverse display outputs.

Extensive Port Selection

The CM639 features a thoughtfully designed port configuration tailored for modern computing needs:

• 2× USB 3.2 Type-A ports for connecting traditional peripherals
• 2× USB 3.2 Type-C ports delivering next-generation connectivity
• 2× 4K HDMI ports enabling dual-monitor setups
• 1× VGA port for compatibility with older displays
• 1× Power Delivery port for pass-through charging

As a result, the UGREEN CM639 eliminates the need for multiple adapters while ensuring all your devices remain connected simultaneously.

High-Speed Data Transfer

The UGREEN CM639 utilizes USB 3.2 technology to deliver exceptional data transfer rates. Both the USB-A and USB-C ports support speeds up to 10Gbps, therefore allowing for:

• Rapid file transfers between storage devices
• Seamless connection of high-bandwidth peripherals
• Reduced waiting times when moving large datasets

Furthermore, these speeds make the CM639 suitable for professionals working with resource-intensive applications that require quick data access.

Versatile Display Support

Display capabilities of the UGREEN CM639 are particularly versatile with its dual HDMI ports and VGA connection:

• Dual 4K HDMI outputs supporting resolutions up to 3840×2160@60Hz
• VGA output (1920×1080@60Hz) for compatibility with projectors and older monitors
• Multiple display modes including extended, mirrored, and individual configurations

Consequently, the CM639 enables productive multi-monitor workstations while providing compatibility with both modern and legacy display equipment.

Power Delivery Passthrough

The integrated Power Delivery port on the UGREEN CM639 supports charging at up to 100W, thus allowing for:

• Simultaneous device usage and charging
• Fast charging compatible with USB-C PD standards
• Reduced cable clutter on your workspace

Additionally, this feature ensures your laptop or tablet maintains battery levels even during intensive tasks when multiple peripherals are connected through the CM639 adapter.

Ideal For

The UGREEN CM639 is particularly well-suited for:

• Business professionals who need to connect to various display types
  • The combination of HDMI and VGA outputs ensures compatibility in any meeting room
• Creative workers requiring multiple displays and fast external storage access
  • The dual 4K HDMI outputs and 10Gbps data speeds support demanding visual workflows
• Remote workers using laptop-based setups with external displays
  • The comprehensive port selection creates a complete workstation from a single connection

Durable Design

Built with quality materials, the UGREEN CM639 features:

• Premium aluminum alloy housing for improved heat dissipation
• Reinforced cable with strain relief for extended durability
• Compact dimensions for portability without sacrificing functionality

Moreover, the CM639’s thoughtful design prevents overheating during extended use, thereby protecting both the adapter and connected devices.

Technical Specifications

Physical Specifications

• Model: UGREEN CM639 (UG-35588)
• Dimensions: 11.5 × 5.5 × 1.5 cm
• Weight: 85g
• Cable Length: 15cm
• Material: Aluminum alloy

Port Specifications

• 2× USB-A 3.2 ports (10Gbps)
• 2× USB-C 3.2 ports (10Gbps)
• 2× HDMI ports (4K@60Hz)
• 1× VGA port (1080p@60Hz)
• 1× USB-C Power Delivery port (up to 100W)

Video Output

• HDMI Resolution: Up to 3840×2160@60Hz
• VGA Resolution: Up to 1920×1080@60Hz
• Multi-display Support: Yes (up to 3 displays simultaneously)

Power Specifications

• Power Delivery: USB-C PD 3.0
• Maximum Power Input: 100W
• Power Output to Connected Devices: Up to 92W

System Requirements

• Compatible with: Windows 10/11, macOS 10.14+, ChromeOS
• Requires host device with USB-C port supporting DisplayPort Alt Mode
• Thunderbolt 3/4 compatible

Package Contents

• 1× UGREEN CM639 Multifunction Adapter
• 1× User Manual
• 1× Warranty Card