Plugable USB 3.0 Universal Dual Monitor Docking Station

The Plugable UD-3900 is a universal USB 3.0 docking station designed to expand the connectivity of laptops and desktops through a single cable. It enables users to connect multiple peripherals, including displays, USB devices, network connections, and audio, transforming a standard system into a full workstation. This makes it particularly useful for office environments, remote work setups, and productivity-focused users.

Built around DisplayLink technology, the UD-3900 supports dual-monitor output even on systems that do not natively support multiple external displays. It can drive two external displays via HDMI and DVI (with included adapters), typically supporting up to 1920×1200 resolution per display. This allows users to extend their workspace for multitasking, spreadsheets, and professional applications.

The docking station connects via USB 3.0 (Type-A to Type-B cable) and provides a wide range of ports for everyday use. It includes multiple USB ports, Gigabit Ethernet, and audio input/output, making it a complete desk solution. Designed for compatibility across Windows, macOS, and ChromeOS (with driver support), the UD-3900 is a reliable and cost-effective universal docking solution.

In stock
SKU#: UD-3900

General

  • Brand: Plugable
  • Model: UD-3900
  • Part Number: UD-3900
  • Product Type: USB Docking Station
  • Color: Black

Host Interface

  • USB 3.0 (Type-B on dock → Type-A cable to host)
  • Backward compatible with USB 2.0 (reduced performance)

Display & Video

  • Supports: Dual external monitors
  • Outputs:
    • 1 × HDMI
    • 1 × DVI-I (VGA via adapter supported)
  • Max Resolution:
    • Up to 1920 × 1200 @ 60Hz (per display typical)
  • Technology: DisplayLink graphics

USB Ports

  • 2 × USB 3.0 (front)
  • 4 × USB 2.0 (rear)
  • Total: 6 USB ports

Networking

  • 1 × Gigabit Ethernet (RJ-45)

Audio

  • 1 × 3.5mm headphone output
  • 1 × 3.5mm microphone input

Power

  • External power adapter included
  • ⚠️ Does NOT provide laptop charging (important distinction vs USB-C docks)

Compatibility

  • Windows (full support with DisplayLink drivers)
  • macOS (supported with DisplayLink limitations)
  • ChromeOS (limited support)

Physical

  • Form Factor: Desktop docking station
  • Orientation: Horizontal (classic UD-3900 design)

Included in Box

  • Docking station
  • USB 3.0 cable (Type-A to Type-B)
  • Power adapter
  • DVI-to-VGA adapter
  • Documentation
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