Monoprice
Monoprice 133387 Thunderbolt 3 Dual DisplayPort Adapter
4KThunderbolt 3USB-CDisplayPort
Expand Your Display Capabilities with Thunderbolt 3The Monoprice Thunderbolt 3 Dual DisplayPort Adapter allows you to connect two DisplayPort monitors to your Thunderbolt 3 equipped device. With support for dual 4K@60Hz or a single 5K@60Hz display, this adapter provides high-resolution video outp...
$94.22*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.
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Overview
Expand Your Display Capabilities with Thunderbolt 3
The Monoprice Thunderbolt 3 Dual DisplayPort Adapter allows you to connect two DisplayPort monitors to your Thunderbolt 3 equipped device. With support for dual 4K@60Hz or a single 5K@60Hz display, this adapter provides high-resolution video output. Its compact design and included USB Type-C cable make it a convenient solution for expanding your display capabilities.
Specifications:- Brand: Monoprice
- Model: 133387
- Ports: 2 x DisplayPort
- Resolution Support: Dual 4K@60Hz or Single 5K@60Hz
- Interface: Thunderbolt 3
- Dimensions: 2.9" x 1.9" x 0.6"
Key Features
Thunderbolt 3: The Thunderbolt 3/USB-C standard allows you to connect multiple data and video devices to your Windows or Mac OS X computer using a single Thunderbolt/USB-C cable.
Dual 4K@60Hz Displays: The Thunderbolt 3 Dual 4K DisplayPort Adapter allows you to connect two DisplayPort monitors at resolutions up to 4K@60Hz to a single Thunderbolt 3/USB-C cable.
Compact Design: At only 2.9" x 1.9" x 0.6", this mini adapter can provide full dual display outputs, while fitting in the palm of your hand.
5K@60Hz Single Display: The 40Gbps bandwidth of the Thunderbolt 3 standard allows for connection of a single display at 5K@60Hz resolution.
Quality at a Fair Price: Monoprice' s rugged design and rigid quality control standards deliver high quality products at fair prices.
Specifications
Brand
Monoprice
Model Number
133387
Connectivity Standard
Thunderbolt 3 / USB-C
Dual Display Resolution
4K@60Hz (via DisplayPort)
Single Display Resolution
5K@60Hz
Bandwidth
40Gbps
Dimensions
2.9" x 1.9" x 0.6"
Pros & Cons
👍 Pros
- This adapter supports dual 4K@60Hz displays, enabling high-resolution multi-monitor setups for enhanced productivity.
- Utilizes the Thunderbolt 3 standard, allowing connection of multiple data and video devices via a single USB-C cable.
- Offers a compact design, measuring only 2.9" x 1.9" x 0.6", making it highly portable and easy to carry.
- Capable of supporting a single 5K@60Hz display, catering to users requiring ultra-high resolution output.
- Provides 40Gbps bandwidth through its Thunderbolt 3 connection, ensuring high-speed data and video transfer.
👎 Cons
- Requires a computer with a Thunderbolt 3 or USB-C port, limiting compatibility with older systems lacking these specific ports.
- The adapter's compact size, while convenient for portability, might lead to it being easily misplaced.
- Functionality depends on the host system's graphics capabilities and driver support for dual 4K or single 5K resolutions.
- Does not specify if it supports HDR (High Dynamic Range) passthrough for enhanced visual fidelity.
- The adapter has a fixed cable length to connect to the computer, which might limit placement flexibility on a desk.
Frequently Asked Questions
What is the maximum resolution supported by this Thunderbolt 3 adapter?
The adapter supports dual 4K@60Hz displays through DisplayPort or a single 5K@60Hz display.
What type of port is required on my computer to use this adapter?
Your computer needs a Thunderbolt 3 or USB-C port to connect and utilize this adapter.
Can I connect more than one external monitor with this adapter?
Yes, the Monoprice Thunderbolt 3 adapter is designed to connect two DisplayPort monitors simultaneously.
What is the data transfer speed supported by the Thunderbolt 3 connection?
The Thunderbolt 3 standard provides a bandwidth of 40Gbps for high-speed data and video transmission.
Is this adapter suitable for travel due to its size?
Yes, with dimensions of only 2.9" x 1.9" x 0.6", this adapter features a compact design ideal for portability.
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