Product images are provided for reference and may not represent the exact model, configuration, or included components.

No Bots, Just Experts

Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

StarTech MST14DP123DP 3-Port DisplayPort Multi-monitor Adapter

Overview

The StarTech MST14DP123DP is a DisplayPort 1.4 Multi-Stream Transport (MST) hub designed to expand your desktop real estate by connecting up to three independent displays to a single DisplayPort 1.4 output on your host system. This adapter is crucial for environments demanding increased screen real estate for monitoring multiple data feeds, surveillance camera views, or complex development interfaces without requiring a GPU upgrade. It leverages MST technology to split the DisplayPort signal, enabling higher resolutions and more displays than a standard port would allow. The MST14DP123DP is powered via USB, simplifying installation and reducing cable clutter.

Compatibility

This MST hub requires a host system equipped with a DisplayPort 1.4 output supporting MST and HBR3. It is compatible with Windows operating systems. For optimal performance, ensure your graphics card and drivers support DisplayPort 1.4 MST functionality. It is designed to work with any DisplayPort 1.4 source that adheres to these standards, allowing for flexible integration into existing workstation setups.

Installation Notes

The adapter is powered by a standard 5V DC input via USB, meaning it can be powered from a spare USB port on your computer or a USB power adapter. The operating temperature range of -20°C to 60°C ( -4°F to 140°F) allows for deployment in a variety of environments, though prolonged exposure to extreme temperatures should be avoided. Storage temperatures range from -20°C to 80°C (-4°F to 176°F).

What's in the Box

  • 1x MST Hub
  • 1x USB Power Cable
  • 1x Quick Start Guide
Specifications
Max Resolution Single Monitor: 7680x4320 at 30Hz
Max Resolution Dual Monitors: 4K at 30Hz
Max Resolution Triple Monitors: 4K at 60Hz
DisplayPort Version: 1.4
Number of Displays Supported: 3
Host Compatibility: DP 1.4 / HBR3 / MST
Operating System Compatibility: Windows
Power Source: USB-Powered
Input Voltage: 5V DC
Operating Temperature: -20C to 60C
Storage Temperature: -20C to 80C
Operating Humidity: 5% to 90% RH
Product Length: 25.0 cm
Product Width: 4.3 cm
Product Height: 1.4 cm
Product Weight: 55.0 g
Warranty: 3 Years
Brand: StarTech
MPN: MST14DP123DP
MPN: MST14DP123DP
Type: Power Supply
Connectivity: DisplayPort
Power: 5V DC
Q&A
Reviews
Have Questions?

StarTech 3-PORT Displayport Multi-monitor Adapter - MST14DP123DP

$62.99

RELATED PRODUCTS

System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

System Design Assistance

  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
Request Design Help

Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
View Support Services

Guides, Tools & Calculators

  • PoE requirements
  • Storage retention
  • Camera selection and deployment methodology
Open Technical Resources