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StarTech. com MSTMDP123HD Mini DisplayPort to 3x HDMI MST Hub - 3-Port Multi Monitor Adapter - 4K 30Hz/1080p 60Hz - Extended Desktop - Windows Only

SKU: MSTMDP123HD
UPC: 065030861519
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MSRP: $102.95
$102.95
$95.95
Save: $7.00 (6.80%)
Warranty Information: 3 Year
Condition: New
Width: 6.60 (cm)
Height: 1.52 (cm)
Depth: 1.23 (cm)
Availability: Canada: High Availability
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Product Features

Description

Product Overview

The StarTech.com MSTMDP123HD is a dedicated multi-monitor adapter that transforms a single Mini DisplayPort output into three independent HDMI displays. Built around MST (Multi-Stream Transport) technology, this hub enables extended or duplicate desktop modes to significantly expand your digital workspace without taxing your system's primary resources. It is engineered specifically for Windows-based environments, offering a driverless plug-and-play experience that simplifies setup for office workstations, trading desks, or creative studios.

This compact hub delivers flexible resolution support, capable of driving three full HD 1080p monitors at a smooth 60Hz refresh rate for everyday productivity. For users requiring higher detail, it can alternatively support dual 4K UHD displays at 30Hz or three ultrawide 2560x1080 screens. The integrated 7.5-inch Mini DisplayPort cable and included universal power adapter ensure reliable operation and broad geographic compatibility right out of the box.

Display Snapshot
3840 × 2160
Resolution
Video & Resolution
Maximum Video Resolution3840 × 2160
Supported Configurations3x 1080p @ 60Hz, 2x 4K @ 30Hz, 3x 2560x1080 @ 60Hz
Frequency Range30 Hz - 60 Hz
Connectivity & Ports
Input PortMini DisplayPort (built-in 7.5" cable)
Output Ports3x HDMI
Audio SupportLPCM digital audio
Physical & Power
Product ColorBlack
Product MaterialPlastic
Input Voltage120 V AC, 230 V AC
Compliance & Warranty
Environmental CertificationEU RoHS
Limited Warranty3 Year
Country of OriginChina

Technical Overview

This MST hub operates within a frequency range of 30Hz to 60Hz, matching the refresh capabilities of standard business and productivity monitors. Its core function is to leverage the host system's DisplayPort 1.2 (HBR2) or later MST-enabled output, commonly found on graphics cards from AMD, NVIDIA, and Intel, as well as compatible systems from major OEMs like HP, Dell, and Lenovo. The technology delivers uncompressed video streams directly from the GPU, ensuring minimal latency and preserving system performance for other tasks.

The device supports a maximum video resolution of 3840x2160 (4K UHD) and can transmit LPCM digital audio alongside video signals through its HDMI outputs. With a maximum operating distance of 49.87 feet (15.2 meters) for signal integrity, it accommodates flexible monitor placement in various office layouts. Its compact physical footprint—measuring 4.50" L x 2.60" W x 0.60" H and weighing just 4.23 oz—makes it easy to integrate discreetly into any desk setup.

Maximum Operating Distance49.87 ft (15.2 m)
Weight4.23 oz (120 g)
Dimensions (L x W x H)4.50" x 2.60" x 0.60" (114.30 mm x 66.04 mm x 15.24 mm)
DisplayPort 1.2/HBR2/MSTDriverless for WindowsUniversal Power Input

Key Product Advantages

The MSTMDP123HD eliminates the complexity often associated with multi-display setups by providing a single-cable solution that requires no additional software drivers. Its MST architecture is inherently efficient, utilizing the host GPU's capabilities to manage multiple displays without introducing significant overhead or compression artifacts. This results in a seamless, high-fidelity visual experience that feels native to the system.

Simplified Multi-Monitor Expansion

Connect up to three HDMI monitors directly from one Mini DisplayPort source, instantly transforming a standard laptop or desktop into a powerful multi-screen workstation. The hub handles the display management, allowing you to focus on your tasks.

  • Extend or duplicate your desktop
  • Works with laptops and desktops
  • No internal card installation required

Broad Hardware Compatibility

Designed to work with a wide range of modern Windows systems equipped with compatible Mini DisplayPort outputs. It supports graphics solutions from all major vendors, ensuring reliable performance across diverse IT environments.

  • Requires DP 1.2/HBR2/MST host port
  • Compatible with AMD, NVIDIA, Intel GPUs
  • Verified with HP, Dell, Lenovo systems

Deployment / Use Cases

This adapter is ideal for professional environments where screen real estate directly correlates to efficiency. Financial analysts, software developers, data analysts, and content creators can benefit from having multiple applications, charts, code windows, or reference materials visible simultaneously without constant window switching. The extended desktop mode allows for intuitive drag-and-drop workflows across monitors, streamlining complex tasks.

In corporate or educational settings, the hub can also facilitate presentation and collaboration scenarios. The duplicate mode is perfect for mirroring content onto larger meeting room displays or multiple training monitors from a single source device. Its compact size and simple setup make it equally suitable for permanent desk installations or temporary portable setups for off-site work or events.

Office & Remote Work Productivity

Maximize productivity for knowledge workers by spreading email, documents, spreadsheets, and communication apps across multiple dedicated screens. Reduces tab switching and keeps critical information always in view.

Technical & Creative Workstations

Provides the extended canvas needed for coding IDEs, video editing timelines, graphic design tool palettes, or 3D modeling viewports. The support for high resolutions ensures detailed asset review.

Physical Profile

Encased in a sleek black plastic housing, the MSTMDP123HD hub is designed for durability and discreet placement. Its low-profile form factor allows it to sit neatly behind a monitor or under a desk, keeping workspaces tidy. The built-in Mini DisplayPort cable is 7.5 inches (19 cm) long, providing enough reach for most direct connections to a laptop or desktop tower without requiring an additional cable.

Color
Black
Dimensions
Width
2.60" (66.04 mm)
Height
0.60" (15.24 mm)
Weight
4.23 oz (120 g)
Length
4.50" (114.30 mm)

What's in the Box

The package includes everything needed for immediate setup and operation.

MST Hub - Mini DisplayPort to
3x HDMI
1 x Universal Power Adapter (NA/EU/UK/AU)
1 x Quick Install Guide
[custom-highlights]

Highlights

  • Drives up to 3 independent HDMI monitors from one Mini DisplayPort source.
  • Supports extended or duplicate desktop modes for flexible workspace arrangement.
  • Delivers resolutions up to 3x 1080p @ 60Hz or 2x 4K @ 30Hz.
  • Compatible with Windows systems featuring DisplayPort 1.2/HBR2/MST output.
  • Plug-and-play, driverless setup for quick installation.
  • Includes a built-in 7.5" Mini DisplayPort cable and universal power adapter.
  • Transmits LPCM digital audio alongside video signals.
  • Backed by a 3-year limited warranty and complies with EU RoHS environmental standards.
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerStarTech.com
Manufacturer Part NumberMSTMDP123HD
Brand NameStarTech.com
Product NameMST Hub - Mini DisplayPort to 3x HDMI
Packaged Quantity1 Each
Product TypeSignal Splitter
Technical Information
Minimum Frequency30 Hz
Maximum Frequency60 Hz
Video
Maximum Video Resolution3840 × 2160
Interfaces/Ports
DisplayPortYes
HDMI OutYes
Number of HDMI Outputs3
Media & Performance
Maximum Operating Distance49.87 ft (15200 mm)
Power Description
Input Voltage120 V AC,230 V AC
Physical Characteristics
Product ColorBlack
Product MaterialPlastic
Height0.60" (15.24 mm)
Width2.60" (66.04 mm)
Length4.50" (114.30 mm)
Weight (Approximate)4.23 oz (120 g)
Miscellaneous
Package ContentsMST Hub - Mini DisplayPort to 3x HDMI 1 x Universal Power Adapter (NA/EU/UK/AU) 1 x Quick Install Guide
Country of OriginChina
Environmentally FriendlyYes
Environmental CertificationEU RoHS
Environmental ComplianceRestriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE)
Warranty
Limited Warranty3 Year
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the maximum resolution this MST hub supports?

The StarTech.com MSTMDP123HD supports a maximum video resolution of 3840x2160 (4K UHD). In practical use, it can drive two monitors at this 4K resolution with a 30Hz refresh rate. For a three-monitor setup, it supports up to 1080p resolution at 60Hz on each display, or it can handle three ultrawide monitors at 2560x1080 resolution also at 60Hz.

Is this adapter compatible with macOS or Apple computers?

No, this MST hub is specifically designed for and only compatible with Windows-based operating systems. It is not compatible with macOS, Chrome OS, or Linux. It requires a host system with a Windows environment and a compatible Mini DisplayPort output that supports the DisplayPort 1.2 (HBR2) MST standard.

Does this product require separate drivers or software to install?

No, the MSTMDP123HD features a driverless design for a true plug-and-play experience on supported Windows systems. Once connected to a compatible Mini DisplayPort output and powered via the included adapter, Windows will automatically detect and configure the connected HDMI monitors without requiring any additional software downloads or driver installations.

What kind of power supply does the hub need?

The hub is powered by the included universal AC power adapter, which supports input voltages of 120V AC and 230V AC. This adapter comes with interchangeable plugs for North America (NA), Europe (EU), the United Kingdom (UK), and Australia (AU), making it suitable for international use in office and home office environments.

Can I use this with my laptop's built-in graphics?

Yes, provided your laptop has a compatible Mini DisplayPort output that supports DisplayPort 1.2 with MST functionality. Many laptops with integrated graphics from Intel (HD Graphics, Iris Xe) or AMD (Radeon graphics) support this standard. However, it is crucial to verify your specific GPU's capabilities, as some chips may have a maximum display limit that includes the laptop's internal screen.

What is included in the package?

The package contains the MST Hub unit itself, which has a built-in 7.5-inch Mini DisplayPort cable. It also includes one universal power adapter with multiple regional plugs (NA/EU/UK/AU) and a quick install guide to help you set up your multi-monitor workstation efficiently.

What resolution or display format is specified?

It features a display specification of 3840 × 2160, giving you clear visuals for work and media use.

What refresh rate or brightness details are available?

Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.

[/custom-faq]
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StarTech. com MSTMDP123HD Mini DisplayPort to 3x HDMI MST Hub - 3-Port Multi Monitor Adapter - 4K 30Hz/1080p 60Hz - Extended Desktop - Windows Only
MSRP: $102.95
$102.95
$95.95
Save: $7.00 (6.80%)
Available & Ready to Ship