Ugreen UG- 20197 USB-C to 4*USB 3.0+HDMI Adapter

Dual Functionality Design

• Integrated USB hub and HDMI video adapter in single compact device
• Four USB 3.0 Type-A ports plus one HDMI Type-A output
• Independent subsystems operating simultaneously without interference
• Eliminates need for separate USB hub and video adapter
• Consolidates connectivity requirements into 120mm × 50mm aluminum housing

USB 3.0 Hub Performance

• USB 3.0 (USB 3.1 Gen 1) technology delivering up to 5 Gbps theoretical bandwidth
• Real-world transfer speeds approaching 500 MB/s per port when used individually
• Shared 5 Gbps bandwidth distributed dynamically across active USB connections
• Four USB Type-A female ports with approximately 13mm spacing between adjacent ports
• Simultaneous data transfers supported across multiple ports

USB Port Power Delivery

• Up to 900mA power output per port adhering to USB 3.0 specifications
• Total USB power delivery up to 3.6 watts across four ports
• Supports bus-powered peripherals including external drives, flash drives, keyboards, mice, and webcams
• Individual port power management for efficient current allocation
• Over-current protection on each USB port preventing damage from power surges

4K HDMI Video Output

• Maximum resolution support of 3840 × 2160 pixels (4K UHD) at 30Hz
• 1920 × 1080 pixels (1080p) at 60Hz for smooth full HD content
• Lower resolutions supported: 1680×1050, 1600×900, 1440×900, 1280×1024, 1024×768 at 60Hz
• HDMI 1.4 standard compliance with Type-A female connector
• HDCP 1.4 content protection for encrypted video sources

DisplayPort Alternate Mode

• Utilizes DisplayPort Alternate Mode protocol over USB Type-C connection
• Converts DisplayPort signals to HDMI output format through dedicated chipsets
• Requires USB-C port with video output capability (not all USB-C ports support video)
• Compatible with Thunderbolt 3, Thunderbolt 4, and USB-C with DP Alt Mode
• Dedicated DisplayPort lanes separate from USB data lanes

Multi-Channel Audio Passthrough

• Digital audio support via HDMI up to 7.1 surround sound
• PCM stereo and multi-channel audio formats
• Dolby Digital (AC-3) and DTS passthrough capabilities
• Sample rates supported up to 192 kHz
• Eliminates need for separate audio connections to HDMI displays and soundbars

Extended and Mirror Display Modes

• Extended desktop mode displays different content on external monitor and laptop screen
• Mirror mode duplicates laptop screen content on external display
• Operating system controls mode selection and display arrangement
• Independent resolution and orientation settings per display in extended mode
• Ideal for presentations, productivity workflows, and multi-monitor setups

Backward Compatibility

• Full compatibility with USB 2.0 devices (480 Mbps)
• Supports legacy USB 1.1 peripherals (12 Mbps)
• Automatic speed negotiation per USB port based on connected device capabilities
• Mixed device operation allowing USB 3.0 and USB 2.0 devices simultaneously
• Universal peripheral support across multiple USB generations

Physical Construction

• Aluminum alloy housing measuring approximately 120mm × 50mm × 18mm
• Lightweight construction at approximately 85 grams for enhanced portability
• Space gray aluminum finish matching modern laptop aesthetics
• Passive heatsink design utilizing aluminum's thermal conductivity
• Fanless operation ensuring completely silent performance (0 dB)

Cable and Connector Design

• Integrated 18cm USB Type-C cable with strain relief reinforcement
• Reversible USB-C connector eliminating insertion direction concerns
• Captive cable design preventing separation and loss of connection cable
• Sufficient cable length for desktop placement flexibility without excess slack
• Strain relief at USB-C connector junction preventing wire damage from repeated bending

LED Status Indicator

• Blue LED indicator providing visual confirmation of power status
• Continuous LED illumination during active operation
• Located on top surface for easy visibility during use
• Confirms proper USB-C connection and adapter functionality
• No software required for basic connection status verification

EDID Display Detection

• Automatic display detection through EDID (Extended Display Identification Data)
• Negotiates optimal resolution and refresh rate with connected displays
• Automatic configuration eliminates manual display setup in most scenarios
• Supports multiple aspect ratios: 16:9, 16:10, 4:3 display formats
• Color depth support for 24-bit True Color (16.7 million colors)

Thermal Management

• Aluminum chassis functions as passive heatsink dissipating operational heat
• Typical operating temperatures between 45-55°C under full load
• Effective heat dissipation from both USB hub and video processing chipsets
• No performance throttling during sustained high-bandwidth transfers
• Chipset-level thermal protection if excessive temperatures occur

Electromagnetic Shielding

• Aluminum construction provides EMI (Electromagnetic Interference) shielding
• Protects signal integrity for both USB and HDMI connections
• Reduces susceptibility to external electromagnetic interference
• Meets EMI/EMC (Electromagnetic Compatibility) compliance standards

Plug-and-Play Operation

• No driver installation required on Windows 10/11 and macOS systems
• Native USB hub and DisplayPort to HDMI drivers included in modern operating systems
• Automatic recognition and activation upon connection
• Windows 7 may require driver updates for optimal video output performance
• Linux support through standard kernel modules in kernel 4.4 and newer

Operating System Compatibility

• Windows 8, 8.1, 10, and 11 (32-bit and 64-bit editions)
• macOS X 10.12 Sierra and all later versions
• Linux distributions with kernel 4.4 or newer (Ubuntu 16.04+)
• Chrome OS supported on USB-C enabled Chromebooks with DisplayPort Alt Mode
• Display management through native operating system settings