# DU3223 USB3.0 Dual 2K Display Docking Station

The DU3223 is a USB 3.0 dual 2K display docking station for desktops and laptops with USB-A ports. Through DisplayLink it drives two 2K \(2048 × 1152\) displays over HDMI and DVI, and adds Gigabit Ethernet, six USB ports including one with BC1.2 charging, and separate microphone and line-out jacks. It runs on a 5V/4A power adapter.

- Model: DU3223
- Category: USB Hubs
- URL: https://www.goodway.com.tw/products/du3223-usb3-0-dual-2k-display-docking-station
- Last updated: 2026-11-10

Good Way, an experienced OEM/ODM design and manufacturing provider for docking stations and computer peripherals, offers the USB3.0 Dual 2K Display Docking Station.

## Comprehensive Connectivity

- Good Way’s USB3.0 Dual 2K Display Docking Station is designed to meet extra connectivity demands. It extends your computer’s connection to multiple USB peripherals, Ethernet, speakers, and microphones—all via a single USB cable.

## Versatile Video & Data Transmission

- Equipped with built-in USB 3.0 ports for super-speed data transfer and compatibility with USB 1.1/2.0 devices, this docking station also features video outputs through DVI and HDMI ports. It allows you to mirror your primary screen or extend your desktop, making it a stylish and versatile accessory for both home and office environments.

## Specifications

| Model | DU3223 |
|---|---|
| Upstream Port \(Host\) | 1 × USB-B |
| Host Interface | USB-A |
| Maximum Display | 2 × 2K |
| Legacy Video Port | 1 × HDMI, 1 × DVI |
| Max Resolution | 2x 2K \(2048 x 1152\) |
| Video Output | HDMI, DVI-I |
| USB Downstream | 4 × USB-A USB 2.0, 1 × USB-A 5Gbps, 1 × USB-A 5Gbps \(with BC1.2\) |
| LAN | 1 × RJ45 \(1GbE\) |
| Power Supply | DC 5V/4A |
| Power Mode | Self-Power |
| Audio | 1× Mic in, 1× Line out |
| Dimension \(L x W x H\) | 187.85 x 76.9 x 31.08 mm |
| Operating Temperature | Operating: 10\~40°C; Storage: -20\~70°C |
| Housing | ABS \(Plastic\) |
| Features | Audio, Ethernet, BC1.2 Charging |

## Features

- Dual Display Output — Connect HDMI and DVI displays at up to 2048 × 1152 each.
- Six USB Ports — Connect peripherals through two USB 3.0 and four USB 2.0 ports.
- Gigabit Ethernet — Access wired networks at 10/100/1000 Mbps.
- BC1.2 Charging — Charge compatible devices through one front USB 3.0 port.
- Dedicated Audio Jacks — Connect a microphone and speakers through separate 3.5 mm jacks.
- USB Compatibility — Supports USB 3.0, with backward compatibility for USB 2.0/1.1.

## Downloads

- [DU3223 Datasheet](https://www.goodway.com.tw/api/downloads/file/DU3223_datasheet-3.pdf) (SHA-256 09e3ed9fe219f2f28b79740ad98e660ba938f95387edbf4ed6c6f67890784603)
