Ugreen UG- 90912 9-in-1 USB-C Multifunction Adapter USB-C to USB 3.2 ( 2 Port) + USB-C3.2 ( 1 Port) + 4K HDMI ( 2 Port) + DP ( 2 port) + RJ45 Gigabit + PD port
The Ugreen UG-90912 transforms single USB-C ports into comprehensive workstation connectivity. This docking station employs DisplayLink chipset technology to deliver dual 4K display output alongside fast data transfer and network connectivity. The CM615 model designation indicates professional-grade engineering for demanding multi-monitor environments.
DisplayLink Technology for Dual Monitor Expansion
DisplayLink technology enables the UG-90912 to extend two 4K displays at 60Hz simultaneously on both Windows and macOS systems. This professional display controller manages video, network, and data ports through unified chipset architecture. The adapter supports both extended and mirrored display modes, providing flexible workspace configurations. Users can choose between two HDMI ports and two DisplayPort connections for each display, offering cable type flexibility without compromising output quality.
Consequently, the Ugreen UG-90912 requires DisplayLink driver installation before initial use. The docking station includes embedded driver storage that auto-mounts upon connection. Windows systems receive automatic driver updates through Windows Update, while macOS users download dedicated DisplayLink Manager software. This architecture allows simultaneous 3840 x 2160 resolution output across dual external monitors alongside the laptop’s native display.
USB 3.2 Gen 2 Data Transfer Architecture
The UG-90912 integrates three USB 3.2 Gen 2 ports delivering 10Gbps theoretical bandwidth. Two USB-A ports occupy the front panel alongside one USB-C port, all operating at identical transfer speeds. This configuration enables rapid file transfers between external storage devices and host systems. SSD enclosures achieve near-maximum read/write speeds when connected to these ports.
Furthermore, the USB-C data port supports bidirectional connectivity for modern peripherals. The 10Gbps bandwidth allows simultaneous operation of multiple high-speed devices without performance degradation. External hard drives, capture cards, and USB audio interfaces benefit from the Gen 2 specification’s increased throughput compared to previous USB 3.0 implementations.
Power Delivery and Charging Capabilities
Power Delivery 3.0 protocol enables 100W pass-through charging through the dedicated USB-C PD port. The Ugreen UG-90912 maintains laptop charging while simultaneously powering connected peripherals. This eliminates the need for separate power adapters during docked operation. The PD port requires connection to the host laptop’s power adapter for optimal performance.
Additionally, the docking station draws power from an external adapter to maintain consistent operation across all ports. The dedicated power input ensures stable performance when multiple high-power devices connect simultaneously. Hard drives, monitors, and USB peripherals receive adequate power distribution without compromising data transfer stability.
Gigabit Ethernet for Wired Network Stability
The integrated Gigabit Ethernet port provides 1000Mbps wired network connectivity. This RJ45 port operates through the DisplayLink chipset, requiring driver installation for network functionality. Wired connections eliminate wireless interference and latency issues common in high-bandwidth applications. Video conferencing, large file transfers, and remote desktop sessions benefit from consistent network performance.
Moreover, the Ethernet port maintains connection stability during intensive multi-monitor operation. Network bandwidth operates independently from USB data ports, preventing transfer bottlenecks during simultaneous operations. The Gigabit specification supports modern network infrastructure requirements for professional and home office environments.
Aluminum Alloy Construction and Thermal Management
Space gray aluminum alloy housing provides structural durability and passive thermal management. The metal construction dissipates heat generated by the internal DisplayLink chipset and multiple active connections. Ventilation slots on both sides facilitate airflow around critical components. Rubber feet on the base prevent desk surface scratching while providing vibration dampening.
Additionally, the compact form factor measures approximately 200mm x 115mm x 52mm with a weight of 1.12 pounds. The portable design facilitates transport between workspaces while maintaining robust construction. The front-mounted power button enables manual control over docking station operation without disconnecting cables.
Cross-Platform Compatibility and Driver Requirements
The UG-90912 supports Windows 11, Windows 10, Windows 8, Windows 7, Vista, XP, macOS 10.4 and above, Linux kernel 3.x/2.6.x, ChromeOS, and Android platforms. DisplayLink driver compatibility extends across major operating systems with platform-specific installers. Windows environments receive automatic driver deployment through Windows Update after initial connection.
Furthermore, the docking station requires USB-C ports with DisplayPort Alt Mode support for video output functionality. Thunderbolt 3 and Thunderbolt 4 ports provide full compatibility with all UG-90912 features. Legacy USB-C ports without video output capability still enable data transfer and network connectivity functions.
Technical Specifications
Connectivity Interfaces
- Host Connection: USB-C Male (USB 3.2 Gen 2, DisplayPort Alt Mode Required)
- USB-A Ports: 2x USB 3.2 Gen 2 (10Gbps) Female
- USB-C Data Port: 1x USB 3.2 Gen 2 (10Gbps) Female
- USB-C Power Port: 1x USB-C PD 3.0 (100W Maximum)
- Video Outputs: 2x HDMI 2.0 Female + 2x DisplayPort 1.4 Female
- Network: 1x RJ45 Gigabit Ethernet (10/100/1000 Mbps)
Display Specifications
- Maximum Resolution: 3840 x 2160 @ 60Hz (4K UHD)
- Supported Display Modes: Extended, Mirrored, Duplicate
- Simultaneous Displays: 2x External Monitors (One HDMI/DP from Display 1 cluster + One HDMI/DP from Display 2 cluster)
- Display Technology: DisplayLink Chipset (Synaptics)
- HDR Support: High Dynamic Range Imaging Compatible
Data Transfer Performance
- USB Data Rate: 10Gbps (USB 3.2 Gen 2 / USB 3.1 Gen 2)
- Network Speed: 1000Mbps (Gigabit Ethernet)
- Power Delivery: USB-C PD 3.0 up to 100W (20V/5A)
- Cable Type: USB-C to USB-C (Included, 1 meter)
Physical Specifications
- Dimensions: 200mm x 115mm x 52mm (7.87″ x 4.53″ x 2.05″)
- Weight: 1.12 pounds (508 grams)
- Housing Material: Aluminum Alloy
- Color: Space Gray (Gunmetal Grey)
- Cooling: Passive ventilation with side vents
- Base: Rubber anti-slip feet
Platform Compatibility
- Windows: 11, 10, 8, 7, Vista, XP (DisplayLink Driver Required)
- macOS: 10.4 and above (DisplayLink Manager Required)
- Linux: Kernel 3.x / 2.6.x (DisplayLink Driver Required)
- ChromeOS: Compatible with DisplayLink Support
- Android: Compatible with DisplayLink Support
- USB-C Requirement: DisplayPort Alt Mode Support









