StarTech. com MST14CD122HD USB-C to Dual HDMI MST Hub - Dual 4K 60Hz Display Extender/Splitter for Windows Laptops
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Product Features
Technical Overview
This MST hub operates as a hardware-based splitter that utilizes Multi-Stream Transport (MST) technology to manage dual display streams from a single host connection. It supports a maximum resolution of 3840 × 2160 (4K UHD) per HDMI output at 60Hz, with HDR and HDCP 2.2 compliance for protected content playback. The adapter is compatible with Thunderbolt 3, Thunderbolt 4, and USB4 hosts that implement DisplayPort 1.4 with DSC.
Video performance depends on the host system's graphics capabilities. Dual 4K 60Hz operation is confirmed on Windows PCs equipped with discrete GPUs from Intel, AMD, or NVIDIA, or with 12th generation and newer Intel processors that integrate DP 1.4 with DSC. The hub includes a built-in 1-foot (30 cm) USB-C cable, which provides extended reach and reduces mechanical strain on the laptop's USB-C port.
Key Product Advantages
This adapter stands out by delivering a plug-and-play dual 4K display expansion for Windows laptops without requiring software installation. It leverages the host GPU efficiently, minimizing CPU overhead while maintaining high-performance graphics output. The included Windows Layout Utility helps IT professionals and users restore application window positions automatically when reconnecting the hub, streamlining workspace recovery in dynamic or hot-desking scenarios.
Enhanced Productivity
Extend your desktop across two 4K monitors to multitask with spreadsheets, design tools, video conferences, and reference materials simultaneously.
- Mirrored or extended display modes
- Utilizes integrated or discrete GPU capabilities
Travel-Ready Design
The compact, lightweight plastic housing and integrated cable make it easy to pack and deploy in home offices, coworking spaces, or client sites.
- Reduces port strain on 2-in-1 devices
- Ideal for Surface Pro 7+, HP Elite x2, and similar laptops
Deployment / Use Cases
Deploy this MST hub wherever Windows laptop users need additional screen real estate without the complexity of docking stations or external graphics enclosures. It is particularly effective for financial analysts, software developers, content creators, and data scientists who benefit from viewing multiple high-resolution applications side-by-side.
In corporate IT environments, the hub simplifies provisioning standardized multi-monitor setups for hybrid workers. The hardware compatibility with modern Intel and discrete GPU platforms ensures broad support across enterprise laptop fleets. The environmental certifications, including EU RoHS and REACH, align with sustainable IT procurement policies.
Hybrid Work Enablement
Equip remote employees with a consistent dual-monitor experience whether they are working from a home office, a satellite branch, or a temporary workspace.
- USB-powered for simplicity
- No software to manage or update
IT Help Desk Tool
Support technicians can use the included layout utility to quickly restore user desktop configurations after reconnecting displays, reducing resolution time for display-related tickets.
- Reduces user frustration
- Maintains productivity during hardware changes
Physical Profile
The hub features a slim plastic enclosure measuring 2.40 inches in length, 1.93 inches in width, and 0.43 inches in height (61 × 49 × 11 mm), with an approximate weight of 1.94 ounces (55 grams). This compact form factor allows it to sit discreetly on a desk or travel in a laptop bag without adding bulk. The 1-foot integrated USB-C cable offers enough length to connect comfortably while keeping the adapter itself stable and reducing tension on the laptop port.
- Width
- 1.93" (49 mm)
- Height
- 0.43" (11 mm)
- Weight
- 1.94 oz (55 g)
- Length
- 2.40" (61 mm)
Highlights
- Drives two independent 4K 60Hz HDMI displays from a single USB-C port.
- USB-powered; no external power adapter or drivers required for Windows.
- Supports HDR video and 2-channel HDMI audio pass-through.
- Compatible with Thunderbolt 3, Thunderbolt 4, and USB4 hosts with DP 1.4 DSC.
- Includes a 1-foot (30 cm) built-in USB-C cable to reduce port strain.
- Designed for Windows laptops with discrete GPUs or 12th gen+ Intel CPUs.
- Features HDCP 2.2 support for protected content playback.
- Backed by a 3-year limited warranty and EU RoHS environmental compliance.
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | MST14CD122HD |
| Brand Name | StarTech.com |
| Product Name | USB-C to HDMI MST Hub |
| Packaged Quantity | 1 |
| Product Type | Signal Splitter |
| Video | |
| Maximum Video Resolution | 3840 × 2160 |
| Interfaces/Ports | |
| HDMI Out | Yes |
| USB | Yes |
| Number of HDMI Outputs | 2 |
| Physical Characteristics | |
| Product Material | Plastic |
| Height | 0.43" (11 mm) |
| Width | 1.93" (49 mm) |
| Length | 2.40" (61 mm) |
| Weight (Approximate) | 1.94 oz (55 g) |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
What is the maximum resolution and refresh rate supported by this USB-C to Dual HDMI adapter?
The StarTech.com MST14CD122HD supports a maximum resolution of 3840 × 2160 (4K UHD) at 60Hz refresh rate on each of its two HDMI outputs simultaneously when connected to a compatible host. This performance requires a USB-C port that implements DisplayPort 1.4 with Display Stream Compression (DSC) on the source device.
Is this adapter compatible with macOS or Chromebook devices?
No, this MST hub is not compatible with macOS or Chromebook operating systems. It is designed specifically for Windows laptops that support the necessary DisplayPort 1.4 with DSC over USB-C. macOS systems do not support the Multi-Stream Transport (MST) protocol required for dual independent displays through this hardware.
Does the hub require external power or software installation to function?
The hub is USB-powered, drawing all necessary power directly from the host laptop's USB-C port, so no external power adapter is needed. It operates without requiring driver or software installation on supported Windows systems, offering a true plug-and-play experience for dual display expansion.
What types of Windows laptops are compatible with dual 4K 60Hz output using this adapter?
For dual 4K 60Hz operation, your Windows laptop needs a USB-C port that supports DisplayPort 1.4 with DSC. This is typically found on systems with discrete graphics cards from NVIDIA, AMD, or Intel, or on laptops with 12th generation or newer Intel Core processors that integrate this capability. Always verify your specific GPU supports the number of displays you intend to drive.
What is the purpose of the included Windows Layout Utility?
The Windows Layout Utility is a software tool included with the adapter that helps restore the positions of application windows on your desktop when you reconnect the hub. This is especially useful in IT support scenarios or for users who frequently connect and disconnect their displays, as it maintains productivity by preserving your preferred workspace layout automatically.
Can this adapter be used with gaming monitors that support high refresh rates?
While the adapter supports up to 60Hz refresh rate per display at 4K resolution, it is not designed for high-refresh-rate gaming monitors that require 120Hz, 144Hz, or higher. It is optimized for productivity and professional applications where dual 4K resolution at standard refresh rates is the priority, rather than ultra-high frame rates for gaming.
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.
| Qty | Price | Available |
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