StarTech.com DKM31C3HVCPD USB-C 7-in-1 Multiport Adapter with Dual Monitor Support - 4K HDMI/VGA - 100W PD - Gigabit Ethernet - Space Gray
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Product Features
Technical Overview
This adapter leverages USB 3.2 Gen 2 Type-C host connectivity with DisplayPort 1.4 Alt Mode to deliver video, data, and power through a single cable. The downstream USB-C port supports both 10Gbps data transfer and DisplayPort Alt Mode video output, enabling connection of USB-C monitors or additional adapters.
Video output is highly configurable, supporting various GPU scenarios. With a discrete DP 1.4 GPU, users can achieve dual 4K 30Hz outputs via HDMI and the USB-C port. Integrated DP 1.4 GPUs support 4K 30Hz plus 1080p 60Hz in dual monitor mode, while DP 1.2 GPUs support dual 1080p displays.
Relevant factors for this section include Number of Displays Supported, Supported Resolutions, Screen Mode Supported, Host Interface. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This multiport adapter stands out by combining robust video capabilities with comprehensive connectivity in a compact, travel-friendly form factor. Its unique downstream USB-C port with video output provides flexibility not commonly found in non-Thunderbolt adapters.
Dual Monitor Flexibility
Support for two external displays with resolution combinations up to dual 4K 30Hz, accommodating various GPU configurations from modern laptops.
- Single 4K 60Hz via HDMI or USB-C
- Dual 4K 30Hz with discrete GPU
- Mixed resolution support for integrated GPUs
Complete Connectivity Suite
Seven essential ports in one compact device eliminate the need for multiple dongles while maintaining high-speed performance.
- Two USB-A 3.2 Gen 2 ports for peripherals
- Gigabit Ethernet for stable networking
- VGA support for legacy displays
Enhanced Port Protection
The 10-inch cable reduces strain on device ports, particularly beneficial for 2-in-1 devices and laptops on riser stands.
- Hideaway cable design for travel
- Reduces connector wear and tear
- Ideal for Surface Pro, iPad Pro, and similar devices
Deployment / Use Cases
The DKM31C3HVCPD serves as an ideal docking solution for mobile professionals who require desktop-level connectivity without sacrificing portability. Its compact design and comprehensive port selection make it suitable for various work environments and device types.
Business travelers can quickly establish productive workspaces in hotel rooms or client offices by connecting to external monitors, wired networks, and multiple peripherals through a single USB-C connection. Remote workers benefit from the dual monitor support and stable Ethernet connectivity for video conferences and collaborative work sessions.
Mobile Office Setup
Transform any USB-C laptop into a complete workstation with dual monitors, wired internet, and peripheral connectivity for maximum productivity on the go.
Conference Room Compatibility
Connect modern laptops to conference room displays including legacy VGA projectors while maintaining network access and peripheral connectivity.
Physical Profile
Measuring just 3.30 inches wide by 1.10 inches high and weighing approximately 6 ounces, this Space Gray adapter maintains a discreet footprint on any workspace. The compact design doesn't sacrifice functionality, housing seven ports and power delivery circuitry in a durable enclosure suitable for daily transport.
The integrated 10-inch cable provides practical reach while the hideaway storage mechanism keeps the cable organized during travel. This design consideration protects both the adapter and host device ports from strain during frequent connection and disconnection cycles.
- Width
- 3.30" (83.82 mm)
- Height
- 1.10" (27.94 mm)
- Weight
- 6 oz (170.10 g)
What's in the Box
The package includes everything needed for immediate deployment of this USB-C multiport adapter solution.
Package contents include Docking Station, 1 x Quick-Start Guide. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- 7-in-1 multiport adapter with dual monitor support
- 4K resolution at 60Hz on single display or dual 4K at 30Hz
- Downstream USB-C port with DisplayPort Alt Mode video output
- 100W USB Power Delivery for laptop charging
- Two USB-A 3.2 Gen 2 ports (10Gbps each)
- Gigabit Ethernet for stable wired networking
- VGA port for legacy display compatibility
- 10-inch cable with hideaway design for port protection
- Compatible with USB-C laptops, tablets, and ChromeOS devices
- Includes connectivity utilities for enhanced performance
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | DKM31C3HVCPD |
| Brand Name | StarTech.com |
| Product Name | Docking Station |
| Packaged Quantity | 1 |
| Product Type | Docking Station |
| Technical Information | |
| Number of Displays Supported | 2 |
| Supported Resolutions | 3840 x 2160,1920 x 1200,1920 x 1080 |
| Screen Mode Supported | 4K |
| Device Supported | Notebook,Smartphone,Tablet |
| Interfaces/Ports | |
| Host Interface | USB 3.2 (Gen 2) Type C |
| Number of USB 3.2 Gen 2 Type-A Ports | 2 |
| Number of USB Type-C Ports | 1 |
| USB Type-C | Yes |
| USB Type-C Detail | USB Type-C (24 pin) USB Power Delivery Only |
| USB Type-A | Yes |
| Number of RJ-45 Ports | 1 |
| Network (RJ-45) | Yes |
| VGA | Yes |
| DisplayPort | Yes |
| DisplayPort Version | 1.4 |
| Number of HDMI Ports | 1 |
| HDMI | Yes |
| Software | |
| Operating System Supported | Windows 7,Windows 8,Windows 8.1,Windows 10,Windows 11,ChromeOS |
| Power Description | |
| Maximum Power Supply Wattage | 100 W |
| Physical Characteristics | |
| Product Color | Space Gray |
| Height | 1.10" (27.94 mm) |
| Width | 3.30" (83.82 mm) |
| Weight (Approximate) | 6 oz (170.10 g) |
| Miscellaneous | |
| Package Contents | Docking Station 1 x Quick-Start Guide |
| Compatibility | Compatibility Products: Mini dock compatible w/USB-C laptops/Ultrabooks/Chromebooks/Surface/Thunderbolt 3/4/USB4 laptops from HP/Dell/Lenovo; Windows/Android/Linux/ChromeOS - For optimal video performance use with Intel 11th & 12th gen+ laptop CPUs |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| TAA Compliant | Yes |
| Country of Origin | Taiwan |
| Warranty | |
| Limited Warranty | 3 Year |
FAQ
How many external monitors does this adapter support?
The DKM31C3HVCPD supports up to two external monitors simultaneously. The specific resolution and refresh rate combinations depend on your laptop's GPU capabilities. With discrete DP 1.4 GPUs, you can achieve dual 4K at 30Hz. Integrated DP 1.4 GPUs support 4K 30Hz plus 1080p 60Hz, while DP 1.2 GPUs support dual 1080p displays.
What is the maximum resolution supported by this USB-C adapter?
This adapter supports 4K Ultra HD resolution (3840 x 2160) at up to 60Hz on a single display. When configured for dual monitor setups, it maintains 4K resolution at 30Hz on both displays with compatible hardware. The adapter also supports 1920 x 1200 and 1920 x 1080 resolutions for broader display compatibility.
Does this adapter provide power to charge my laptop?
Yes, the adapter features 100W USB Power Delivery pass-through capability. This allows you to connect your laptop's power adapter to the docking station, which then delivers up to 88W of charging power to your laptop through the USB-C connection while simultaneously providing data and video connectivity.
What types of video outputs are available on this multiport adapter?
The adapter provides three video output options: HDMI 2.0b, VGA, and a downstream USB-C port with DisplayPort Alt Mode. This combination allows connection to modern HDMI displays, legacy VGA monitors and projectors, and USB-C monitors or additional adapters for extended display configurations.
Which operating systems are compatible with this docking station?
This adapter supports Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11, ChromeOS, Android, and Linux operating systems. The included connectivity utilities are specifically designed for Windows environments, providing MAC address management, USB event monitoring, window layout control, and Wi-Fi switching capabilities.
What makes the downstream USB-C port on this adapter unique?
The downstream USB-C port supports both 10Gbps data transfer and DisplayPort Alt Mode video output simultaneously. This dual functionality allows you to connect USB-C monitors directly or use USB-C to DisplayPort/HDMI adapters for additional display options. This feature is particularly valuable as it provides video output flexibility not commonly available in non-Thunderbolt adapters.
| Qty | Price | Available |
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