Monoprice

Monoprice 112631 USB 3.0 Multiport Adapter DVI HDMI Ethernet

4.2 (2 reviews)
USB 3.00.66359140862 lb

Add dual displays and Gigabit Ethernet to any USB 3.0 laptop with one compact Monoprice adapter.

$54.20*
Check availability

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Monoprice 112631 USB 3.0 MultiPort Adapter is designed for professionals and multitaskers who need to expand their laptop's connectivity without cluttering their workspace with multiple dongles. It consolidates HDMI, DVI, and Gigabit Ethernet into one compact, bus-powered device that plugs into a single USB 3.0 port. The HDMI output handles resolutions up to 2560 x 1440, making it suitable for detailed spreadsheets, design work, or extended desktop configurations, while the DVI port supports up to 2048 x 1152 for a secondary display.

Beyond video, the built-in Gigabit Ethernet port provides a reliable wired network connection — a significant upgrade over Wi-Fi for file transfers, video calls, and latency-sensitive tasks. The adapter draws power directly from the USB port, keeping your setup clean and portable. The main trade-off is its Windows-only compatibility, requiring driver installation on Windows XP or later. For Windows-based professionals working at a desk or hot-desking between locations, this adapter offers a straightforward way to turn a single-port laptop into a multi-monitor workstation with wired networking.

Key Features

Country Of Origin: China

Model Number: 112631

Item Package Dimension: 8.3070866057" L x 5.7086614115" W x 2.1259842498" H

Item Package Weight: 0.66359140862 lb

Specifications

Brand
Monoprice
Model
112631
Interface
USB 3.0
Video Ports
HDMI, DVI
Network Port
Gigabit Ethernet (RJ-45)
HDMI Max Resolution
2560 x 1440
DVI Max Resolution
2048 x 1152
VGA Max Resolution
1920 x 1080
Compatibility
Windows XP or later
Power
USB Bus-Powered

Pros & Cons

👍 Pros

  • Combines dual video output and Gigabit Ethernet in a single adapter, reducing cable clutter.
  • Supports high-resolution output up to 2560 x 1440 via HDMI.
  • Bus-powered design with no external power supply required.
  • Provides wired Gigabit Ethernet for more stable networking than Wi-Fi.

👎 Cons

  • Only compatible with Windows — no macOS or Linux support.
  • Requires driver installation before use, which adds setup time.
  • USB 3.0 bandwidth is shared across all three ports, which may limit performance under heavy simultaneous use.
  • DVI output maxes out at 2048 x 1152, which falls short of full QHD resolution.

Frequently Asked Questions

Yes, the adapter supports dual video output, allowing you to connect both an HDMI and a DVI display at the same time for an extended desktop setup.
Yes, the adapter requires driver software to function. Drivers are compatible with Windows XP and later versions. It is not natively compatible with macOS or Linux.
The HDMI output supports resolutions up to 2560 x 1440, while the DVI output supports up to 2048 x 1152.
Yes, all three ports — HDMI, DVI, and Gigabit Ethernet — can be used simultaneously through the single USB 3.0 connection.
The adapter is bus-powered through the USB 3.0 connection, so no external power adapter is needed.