StarTech.com USB-C to Dual DisplayPort 1.2 Adapter — USB-C MST Hub for Dual 4K Displays (Windows)

This StarTech.com USB-C to Dual DisplayPort 1.2 Adapter is the portable, high-performance solution you need to unlock true multi-monitor productivity. Designed as a USB-C MST hub, it lets you connect two DisplayPort displays to a single USB-C Windows device, turning a compact laptop or desktop into a powerful dual-monitor workstation. Built for professionals who demand crisp visuals, dependable performance, and flexible workspace setups, this adapter delivers dual 4K at 30 Hz with ease, making it ideal for creative work, data analysis, software development, finance dashboards, and remote collaboration. With plug-and-play simplicity, robust DisplayPort 1.2 MST support, and Windows compatibility, you gain expanded screen real estate without sacrificing portability or desk space.

• Effortless multi-monitor expansion: Transform a single USB-C port into a two-monitor workstation through a DisplayPort MST hub. This adapter splits the DisplayPort signal from your USB-C host to drive two independent DisplayPort displays, enabling seamless extended desktops and enhanced multi-window workflows. Perfect for professionals who need to compare documents side-by-side, monitor live data streams, or run complex software across multiple screens.
• Dual 4K at 30 Hz per display: Experience crisp, cinema-grade detail with support for up to two 4K displays at 30 Hz each via DisplayPort 1.2. This configuration balances high-resolution clarity with reliable bandwidth—ideal for color-critical design work, precise financial charts, and multi-app dashboards without sacrificing performance or stability.
• USB-C compatibility with DP Alt Mode or Thunderbolt 3/4: Plug the adapter into a USB-C port on a Windows device that supports DisplayPort Alt Mode, or use Thunderbolt 3/4 for additional bandwidth headroom. The adapter is engineered to leverage the capabilities of modern USB-C hosts, enabling a straightforward setup that minimizes clutter and maximizes screen output possibilities.
• Windows-focused, plug-and-play reliability: Optimized for Windows environments, this MST hub delivers a plug-and-play experience with minimal setup. When connected to a compatible system, Windows detects the two DP outputs as separate displays, allowing you to configure Extend or Duplicate modes, align monitor positions, and set per-display resolutions directly through Display Settings.
• Compact, portable design with flexible deployment: Lightweight and easy to pack, the adapter travels with your laptop for productive on-the-go work. Its two DisplayPort connectors offer flexible cabling options and simplified desk setups, whether you’re at a home office, a shared workspace, or on the road with a client site.

Technical Details of StarTech.com USB-C to Dual DisplayPort 1.2 Adapter

• Product type: USB-C to Dual DisplayPort 1.2 MST hub / DisplayPort extender
• Ports: 1 x USB-C input, 2 x DisplayPort outputs
• Video technology: DisplayPort 1.2 Multi-Stream Transport (MST) hub capable
• Max video resolution: Dual 4K UHD displays at 30 Hz (3840 x 2160) per display
• Supported operating system: Windows (designated for Windows environments; macOS/Linux support may be limited depending on drivers and hardware)
• Power requirements: Typically bus-powered from the USB-C host; no external power adapter required for standard operation
• Host compatibility: Works with USB-C hosts that support DP Alt Mode or Thunderbolt 3/4
• Form factor: Compact, travel-friendly adapter designed for desktop and mobile setups
• Menus and configuration: Supports standard Windows Display Settings for extending or duplicating displays; MST-specific configurations may require updated graphics drivers

How to install StarTech.com USB-C to Dual DisplayPort 1.2 Adapter

• Step 1: Ensure your Windows device has a USB-C port with DisplayPort Alt Mode or Thunderbolt 3/4 support. Update to the latest graphics drivers if available.
• Step 2: Connect the USB-C end of the adapter to your computer. Wait a moment for Windows to recognize the device.
• Step 3: Attach two DisplayPort cables to the two DisplayPort outputs on the adapter, and connect each cable to your two DisplayPort monitors.
• Step 4: Power on your monitors and boot your computer. Open Windows Settings > System > Display to verify that two displays are detected.
• Step 5: Choose Extend, Duplicate, or a customized arrangement in Display Settings. Set each monitor to the desired resolution (up to 4K at 30 Hz per display) and arrange them to match your physical setup.
• Step 6: If you encounter any issues, check for Windows updates or graphics driver updates, and ensure the monitors are configured for DP 1.2 MST operation. In some cases, enabling DP 1.2 in the graphics control panel may improve MST performance.

Frequently asked questions

• Q: What does this adapter do? A: It serves as an MST hub that splits a single USB-C DisplayPort signal into two independent DisplayPort outputs, enabling dual-monitor setups from a single USB-C host, with support for dual 4K displays at 30 Hz.
• Q: Which systems are supported? A: The adapter is designed for Windows-based systems with USB-C ports that support DP Alt Mode or Thunderbolt 3/4. Check your device specifications for DP Alt Mode compatibility before purchasing.
• Q: Do I need drivers? A: In most Windows configurations, the adapter works out of the box. Some setups may benefit from the latest graphics drivers for optimal MST support, but no specialized driver is typically required for basic operation.
• Q: Can I use this with Mac or Linux? A: The product is optimized for Windows; functionality on macOS or Linux is not officially guaranteed and may depend on individual hardware and driver support.
• Q: Can I achieve 4K at 60 Hz on both displays? A: With a DP 1.2 MST setup and typical USB-C bandwidth, each display can reach up to 4K at 30 Hz. If you need 4K at 60 Hz, you may need to run a single 4K monitor or explore higher-bandwidth interfaces such as Thunderbolt in a compatible configuration.
• Q: What’s included in the box? A: The package typically includes the StarTech USB-C to Dual DisplayPort 1.2 Adapter and a Quick Start guide. External power is not usually required for standard operation.