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Small rectangular dock with HDMI, DVI and Ethernet ports

Plugable Technologies

Plugable Technologies USB3-3900DHE USB 3.0 display adapter dual 1920x1200 60Hz

SKU CH-MTDQ-XQX85 MPN USB3-3900DHE

Adds dual 1920x1200 displays and Gigabit Ethernet over a single USB 3.0 link, compatible with Windows 11, 10, 8.1, 7 and macOS 10.14+

  • Product typeUSB to DVI / HDMI
  • Dual 1920x1200 monitors from one USB 3.0 link
  • Gigabit Ethernet added through the same dock
  • Works with Windows 11, 10, 8.1, 7, XP and macOS 10.14+
  • DisplayLink DL-3900 chipset drives two extra screens
  • HDMI plus DVI-I port with VGA adapter included

Dual-monitor USB 3.0 docking station

The Plugable USB3-3900DHE adds two external displays and a wired Gigabit Ethernet port to a laptop or desktop through a single USB 3.0 connection. It uses the DisplayLink DL-3900 chipset and includes an HDMI port plus a DVI-I port with a VGA adapter. The dock is backward compatible with USB 2.0 hosts and requires no external power supply. It is designed for office and web workloads rather than gaming.

Suited for productivity users needing two screens

This dock suits professionals who want dual 1920x1200 monitors at 60 Hz for documents, browser tabs and video calls. It also provides a stable wired network link where Wi‑Fi is unreliable. It is not for gamers or anyone needing HDCP playback of protected video streams. Buyers who require DisplayPort inputs, Linux support or the ability to mix with non‑DisplayLink USB graphics adapters should look elsewhere.

Dual 1920x1200 at 60 Hz via HDMI and DVI

The decisive specification is the maximum dual-display resolution of 1920x1200 at 60 Hz across the HDMI and DVI outputs. A single HDMI monitor can reach 2560x1440 at 50 Hz. If your workflow demands higher dual-screen resolutions, HDCP compliance or DisplayPort connectivity, this adapter will not meet those requirements.

How it compares

Measured against everything we stock in USB Graphics & Display Adapters, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 82% of the 749 comparable items (median $23.99).

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Specifications

Product
Product typeUSB to DVI / HDMI
Size & build
Shipping weight0.27 kg
Package size218 × 132 × 41 mm

Questions about this item

Should I pick the HDMI port or the DVI port for my second monitor?

Use HDMI for a single display up to 2560x1440 at 50 Hz, or use both HDMI and DVI together for two displays at 1920x1200 at 60 Hz.

What does the 1920x1200 at 60 Hz figure mean once I plug this into my laptop?

Each connected monitor can show 1920x1200 pixels refreshed 60 times per second, which is suited for web browsing and office applications rather than gaming.

What does the USB 3.0 connection actually cap in practice?

The USB 3.0 link carries video for two 1920x1200 60 Hz displays plus Gigabit Ethernet traffic, and falls back to USB 2.0 speeds if plugged into a 2.0 port.

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