# DUD3400 USB-C Triple Display Docking Station Vertical Design

The DUD3400 is a vertical USB-C triple display docking station combining DisplayLink and USB-C Alt Mode, for offices that use three 2K monitors. Three HDMI ports drive three 2K60 displays from USB-C or Thunderbolt laptops on Windows, macOS and ChromeOS, and it charges at up to 96W with Gigabit Ethernet, an SD reader and five USB ports.

- Model: DUD3400
- Category: Docking Stations
- URL: https://www.goodway.com.tw/products/dud3400-usb-c-triple-display-docking-station-vertical-design
- Last updated: 2026-11-09

The DUD3400 USB-C Triple Display Docking Station integrates the DisplayLink and USB-C Alt mode technologies, it is fully compatible with any USB-C and Thunderbolt enabled laptops, and works with Win/Mac/Chrome OS platforms. The dock is designed for the professional users who require more external monitors and connectivity expansion.

## Triple Display & Connectivity Expansion

- The DUD3400 USB-C Triple Display Docking Station integrates DisplayLink and USB-C Alt mode technologies, ensuring full compatibility with any USB-C and Thunderbolt-enabled laptop and working seamlessly on Win/Mac/Chrome OS platforms. Designed for professional users who demand additional external monitors and expanded connectivity, this dock transforms your slim laptop into a productive workstation with a single cable connection.

## Versatile Power, Network & Vertical Design

- Featuring three HDMI video ports, the DUD3400 supports up to 96W of power delivery, provides an Ethernet RJ45 connector, audio in/out, an SD4.0 card reader, and multiple USB ports to significantly boost productivity. Its unique vertical design option not only saves desk space but also facilitates efficient cable management, making it ideal for both workplace and home office setups.

## Specifications

| Model | DUD3400 |
|---|---|
| Upstream Port \(Host\) | 1 × USB-C 5Gbps |
| Host Interface | USB-C |
| Maximum Display | 3 × 2K@60Hz |
| Legacy Video Port | 3 × HDMI |
| Max Resolution | Triple 2K \(2x 2K60 \+ 1x 4K30\) |
| Video Output | HDMI |
| Display Technology | DisplayLink |
| USB Downstream | 4 × USB-A 5Gbps, 1 × USB-C 5Gbps \(with 20W fast charging, supports BC1.2 and Apple Charging\) |
| LAN | 1 × RJ45 \(1GbE\) |
| PD | 96W |
| Power Supply | DC 135W |
| Power Mode | Self-Power |
| Audio | 1× Mic in, 1× Line out |
| Card Reader | SD |
| Dimension \(L x W x H\) | 95 x 26.3 x 195 mm |
| Features | Audio, Ethernet, Card Reader, PD Charging |

## Features

- Supports triple displays via three HDMI 2.0 ports, up to dual 1080p60 and single 4K30.
- Delivers up to 96W USB-C PD charging for laptops.
- Features four USB-A 5Gbps ports and one USB-C 5Gbps port with 20W fast charging.
- Built-in Gigabit Ethernet and SD 4.0 card reader for convenient connectivity.
- Compatible with Windows, macOS, and ChromeOS.
- Space-saving vertical design keeps your workspace neat and organized.

## Downloads

- [DUD3400 Datasheet](https://www.goodway.com.tw/api/downloads/file/DUD3400_datasheet.pdf) (SHA-256 bdb330ad05f2ec8549646452a00ba6c3109b6fa33fef2964bc8440cdb2fccb36)