Ugreen UG- 20841 USB-C to 4*USB 3.0 Hub

Connectivity & Performance

• USB 3.0 technology delivering up to 5 Gbps theoretical bandwidth across all ports
• Real-world transfer speeds approaching 500 MB/s under optimal conditions
• Four USB 3.0 Type-A female ports from single USB Type-C connection
• Simultaneous data transfers across multiple ports with dynamic bandwidth allocation
• 10× faster performance compared to USB 2.0 standard (480 Mbps)

Port Power Delivery

• Up to 900mA power output per port adhering to USB 3.0 specifications
• Total power distribution supports most bus-powered peripherals simultaneously
• Individual port power management for efficient current allocation
• Supports keyboards, mice, flash drives, external hard drives, and webcams without external power
• Over-current protection on each port prevents damage from power surges

Backward Compatibility

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

Chipset Technology

• VIA Labs VL812 USB 3.0 hub controller for reliable performance
• UASP (USB Attached SCSI Protocol) support for enhanced storage device speeds
• Built-in error detection and correction mechanisms
• Hot-plug support allowing device connection/disconnection during operation
• Efficient power management reducing unnecessary current consumption

Physical Design

• Compact aluminum alloy chassis measuring 98mm × 34mm × 16mm
• Lightweight construction at approximately 55 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 Construction

• Integrated 15cm braided USB Type-C cable
• Nylon braided exterior providing abrasion resistance and tangle prevention
• Reversible USB-C connector eliminating insertion direction concerns
• Strain relief reinforcement at both connector and hub body junctions
• Captive cable design preventing separation and loss

Thermal Management

• Aluminum chassis functions as passive heatsink dissipating operational heat
• Operating temperatures maintained between 35°C and 45°C under normal loads
• No performance throttling during sustained high-bandwidth transfers
• EMI (Electromagnetic Interference) shielding from metal construction
• Stable operation during simultaneous multi-port data transfers

Operational Features

• Plug-and-play functionality requiring no driver installation
• USB bus-powered operation eliminating external adapter requirements
• Blue LED indicator providing visual confirmation of power status
• Continuous LED illumination during active operation
• Compatible with standard USB-C and Thunderbolt 3/4 ports

Operating System Compatibility

• Windows 7, 8, 8.1, 10, and 11 (32-bit and 64-bit editions)
• macOS X 10.6 Snow Leopard and all later versions
• Linux distributions with kernel 2.6.31 and newer (Ubuntu 14.04+)
• Chrome OS on USB-C enabled Chromebooks
• Native driver support through operating system inbox drivers

Device Compatibility

• MacBook Pro (2016 and later), MacBook Air (2018 and later)
• Dell XPS series, HP Spectre/EliteBook, Lenovo ThinkPad with USB-C
• Microsoft Surface devices featuring USB Type-C ports
• iPad Pro models with USB-C connectivity
• Samsung Galaxy Tab series and other USB-C tablets

Supported Peripheral Categories

• Storage devices: USB flash drives, external HDDs/SSDs, card readers, SSD enclosures
• Input devices: keyboards, mice, trackpads, drawing tablets, game controllers
• Audio equipment: USB microphones, DACs, audio interfaces (within power limits)
• Imaging devices: webcams, scanners, document cameras
• Other peripherals: printers, wireless adapters, security keys, presentation remotes

Data Transfer Capabilities

• Bulk transfer support for high-speed storage operations
• Isochronous transfer mode for audio/video streaming devices
• Interrupt transfer for input devices requiring low latency
• Control transfer for device configuration and management
• All file systems supported by host operating system