Plugable UD-3900Z Dual HDMI USB Docking Station DisplayLink
The Plugable UD-3900Z Universal Docking Station is a DisplayLink-certified USB docking solution designed to dramatically expand connectivity for USB-A and USB-C laptops. With support for dual HDMI displays, wired Gigabit Ethernet, audio, and multiple USB ports, it delivers a true single-cable desk setup for home or office productivity.
Ideal for business professionals and power users, the UD-3900Z enables two external HDMI monitors even on systems that typically support only one display, including Apple M1, M2, and M3 MacBooks. Its vertical, space-saving design keeps desks tidy while providing quick access to frequently used ports.
KEY FEATURES & BENEFITS
✔ Dual HDMI outputs supporting up to 1920×1200 @ 60Hz
✔ Works with laptops that normally support only one external display
✔ Universal compatibility via USB-A or USB-C host connection
✔ DisplayLink technology for flexible multi-monitor expansion
✔ 10 total ports for peripherals, audio and networking
✔ Vertical design reduces desk footprint
✔ Includes both USB-A and USB-C cables in the box
✔ Ideal for office, productivity and web-based workflows
DUAL MONITOR PRODUCTIVITY
Expand Beyond Native Display Limits
Add two HDMI monitors to Windows, macOS, or ChromeOS systems, even where native graphics are limited to a single display.
Designed for Business Use
Perfect for email, web applications, Microsoft Office, accounting software, CRM systems and remote work setups.
Single Cable Convenience
Connect all peripherals and displays through one USB cable for quick dock-and-go desk usage.
IMPORTANT USAGE NOTES
• Does not charge the host laptop (external charger required)
• Not recommended for gaming or graphics-intensive workloads
• Does not support HDCP or playback of encrypted/copy-protected content
• DisplayPort monitors are not supported (HDMI only)
• Linux is not supported
PORT CONNECTIVITY (10 PORTS TOTAL)
✔ 2x HDMI ports – Dual external displays
✔ 2x USB 3.0 – External drives and fast peripherals
✔ 4x USB 2.0 – Keyboard, mouse, printer
✔ 1x Gigabit Ethernet – Reliable wired networking
✔ 1x 3.5mm combo audio jack – Headset or speakers
TECHNICAL SPECIFICATIONS
Model
Plugable UD-3900Z
Docking Technology
DisplayLink (Driver Required)
Host Interface
USB 3.0 Type-A or USB-C (data only)
Maximum Display Resolution
Up to 1920 × 1200 @ 60Hz per display
(1080p supported)
Video Outputs
2x HDMI
Networking
Gigabit Ethernet (10/100/1000 Mbps)
Audio
3.5mm combined audio jack
Operating System Support
Windows 11, 10, 8.x, 7
macOS 10.14+ (manual driver install)
ChromeOS 100+
Linux not supported
Power Delivery
No host charging support
IN THE BOX
• Plugable UD-3900Z Docking Station
• USB 3.0 Cable
• USB-C Cable
• Power Adapter
• Quick Start Guide
IDEAL FOR
• Office and home productivity setups
• Dual-monitor business users
• USB-A and USB-C laptops
• Hot-desking and shared workspaces
• macOS systems needing dual displays