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A compact black box with four HDMI ports and an attached USB-A cable

STARTECH

STARTECH USB32HD4 USB 3.0 to 4 HDMI Adapter

SKU CH-88D1-NS1T3 MPN USB32HD4

Adds four independent 1920x1080 HDMI displays through a single USB 3.0 Type-A port with a 3.3 ft attached cable

  • Extend desktop across four independent HDMI displays from one USB-A port
  • Boost productivity with extra screen space for simultaneous application access
  • Drive 1920x1080 resolution on all four ports with 2-channel audio support
  • Flexible 3.3 ft attached USB-A cable simplifies positioning
  • Bus-powered operation requires no external power adapter

Desk extension for four displays

This USB 3.0 to HDMI adapter adds four independent monitors to a laptop or desktop through a single USB Type-A port. It is aimed at professionals who need extra screen space for multitasking or video-wall setups. The bus-powered design means no external power supply is required.

Four 1080p outputs on one port

The adapter drives up to 1920x1080 resolution on each of its four HDMI ports simultaneously. Two-channel audio is also carried over the HDMI connections. This specification determines whether the available bandwidth meets the user's display requirements.

Sustained multi-monitor operation

Leveraging the USB 3.0 interface, the adapter maintains stable 1080p output across all four displays during extended work sessions. The 3.3 ft attached cable provides flexible placement while the bus-powered design avoids thermal constraints from an external brick. Automatic driver installation simplifies ongoing use.

How it compares

Measured against everything we stock in Y-Splitter Power Cables, at today’s prices. Recalculated every night.

Price $79.99
Pricier than about 91% of the 433 comparable items (median $13.99).

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Specifications

Size & build
Shipping weight0.45 kg
Package size216 × 152 × 51 mm

Questions about this item

What resolution can I expect on each of the four HDMI ports when the adapter is connected to a USB 3.0 port?

Each port supports up to 1920x1080 (1080p) resolution when connected via USB 3.0.

Does the USB 3.0 interface limit the number of displays or the refresh rate compared to a native graphics output?

The adapter drives four independent 1080p displays over a single USB 3.0 connection using its built-in graphics processor.

How much space does the attached 3.3 ft cable and the adapter body need behind my laptop or desktop?

The 3.3 ft (1 m) attached USB-A cable provides flexible placement, and the adapter is bus-powered with no external power brick required.

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