1. Introduction
The Cable Matters USB-C Multiport Adapter (Model 201046) is designed to expand the connectivity of your USB-C, Thunderbolt 3, Thunderbolt 4, or USB4 enabled device. This compact adapter provides essential ports for video output, network connectivity, data transfer, and power delivery, making it an ideal solution for enhancing productivity and versatility.
Video: Overview of the Cable Matters USB-C Multiport Adapter, demonstrating its various ports and functionalities including DisplayPort, Ethernet, USB-C Power Delivery, and USB 2.0 ports.
2. Key Features
- 8K DisplayPort Output: Supports resolutions up to 8K (7680x4320) at 60Hz or 4K (3840x2160) at 240Hz for high-definition video.
- Fast Ethernet Port: Provides a stable wired network connection with speeds up to 480Mbps.
- USB-C Power Delivery (PD): Supports up to 60W power pass-through to charge your host laptop.
- Dual USB 2.0 Ports: Connect peripherals such as a mouse, keyboard, or USB flash drives.
- Compact Design: Portable and lightweight, suitable for travel and on-the-go use.
- Broad Compatibility: Works with USB-C, Thunderbolt 3, Thunderbolt 4, and USB4 enabled devices running macOS, Windows, ChromeOS, and Linux.

Image: The Cable Matters USB-C Multiport Adapter, highlighting its 5-port functionality including 8K DisplayPort, Ethernet, USB-C Power Delivery, and two USB-A 2.0 ports.
3. Package Contents
Please verify that all items are present in your package:
- Cable Matters USB-C Multiport Adapter (Model 201046)
- Instruction Manual (this document)
4. Setup Guide
- Connect to Host Device: Plug the integrated USB-C cable of the adapter into an available USB-C, Thunderbolt 3, Thunderbolt 4, or USB4 port on your laptop or device.
- Connect Display (Optional): For video output, connect a DisplayPort cable from your monitor to the DisplayPort on the adapter.
- Connect Ethernet (Optional): For wired network access, connect an Ethernet cable from your router/modem to the Ethernet port on the adapter.
- Connect USB Peripherals (Optional): Plug your USB-A devices (e.g., mouse, keyboard, flash drive) into the USB 2.0 ports on the adapter.
- Connect Power (Optional): To charge your host device, connect your USB-C power adapter to the USB-C Power Delivery port on the multiport adapter.
5. Operating Instructions
5.1 DisplayPort Video Output
The DisplayPort on the adapter supports high-resolution video output. Ensure your host device's USB-C port supports DisplayPort Alternate Mode (Alt Mode) for video functionality. For optimal performance, use a high-quality DisplayPort cable.
- Supports up to 8K (7680x4320) at 60Hz.
- Supports up to 4K (3840x2160) at 240Hz.
- Compatible with HDR (High Dynamic Range) displays.

Image: Visual representation of DisplayPort bandwidth capabilities across different versions, illustrating support for 8K video experience.

Image: Demonstrates high frame-rate performance with a laptop connected to an external monitor via the adapter, showing 4K@240Hz for a smoother gaming experience.
5.2 Ethernet Network Connection
The integrated Ethernet port provides a reliable wired network connection. This is particularly useful for environments where Wi-Fi is unstable or unavailable, or for transferring large files.
- Supports Fast Ethernet speeds up to 480Mbps.
- Requires an Ethernet cable (RJ45) connection.
- Drivers may be required for certain operating systems (e.g., macOS, Linux). Refer to the Cable Matters support website for driver downloads if needed.

Image: Illustrates a stable wired network connection via the adapter, showing a laptop user in a video conference with 480Mbps Ethernet speed.
5.3 USB 2.0 Data Ports
The two USB 2.0 Type-A ports allow you to connect various USB peripherals to your host device.
- Connect a USB mouse, keyboard, or other low-bandwidth devices.
- Transfer data from USB flash drives or external storage devices at USB 2.0 speeds (up to 480Mbps).
5.4 USB-C Power Delivery
The USB-C Power Delivery port allows you to charge your host laptop while using the adapter. This port is for power input only and does not support data transfer or video output.
- Supports up to 60W of power pass-through.
- Requires a separate USB-C power adapter and cable (not included).

Image: Shows the adapter providing 100W Power Delivery to a laptop, freeing up the laptop's USB-C port for other uses.
6. Compatibility
This adapter is compatible with host devices featuring a USB-C port that supports DisplayPort Alternate Mode (Alt Mode) and/or USB Power Delivery. It is also compatible with Thunderbolt 3, Thunderbolt 4, and USB4 ports.
- Operating Systems: macOS, Windows, ChromeOS, Linux.
- Devices: Laptops, tablets, and smartphones with compatible USB-C ports.
Important Notes:
- Requires video over USB-C support from the host device for DisplayPort functionality.
- Requires USB-C Power Delivery support from the host device and charger for charging functionality.
- It is recommended to update your computer's drivers and software for optimal performance.
7. Troubleshooting
- No video output:
- Ensure your host device's USB-C port supports DisplayPort Alt Mode. Not all USB-C ports support video output.
- Verify that the DisplayPort cable is securely connected to both the adapter and the monitor.
- Test with a different DisplayPort cable or monitor if possible.
- Check your display settings on your computer to ensure the external monitor is detected and configured correctly.
- Update your graphics drivers.
- No network connection:
- Ensure the Ethernet cable is securely connected to both the adapter and your network source.
- Check your computer's network settings to ensure the Ethernet adapter is recognized and enabled.
- Install the latest Ethernet drivers for the adapter if prompted or if issues persist. Drivers can typically be found on the Cable Matters support website.
- Restart your computer and network equipment.
- Laptop not charging:
- Ensure your USB-C power adapter is connected to the USB-C PD port on the multiport adapter.
- Verify that your USB-C power adapter and cable are functioning correctly and provide sufficient wattage (up to 60W supported by the adapter).
- Confirm your host device's USB-C port supports Power Delivery.
- USB 2.0 ports not working:
- Ensure the USB-A device is properly inserted into the adapter's USB 2.0 port.
- Test with a different USB-A device to rule out device-specific issues.
- Some high-power USB devices may require direct connection to the host or an external power source.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 201046 |
| Brand | Cable Matters |
| Host Connector | USB-C (Thunderbolt 3/4, USB4 compatible) |
| Video Output | 1x DisplayPort (up to 8K@60Hz or 4K@240Hz) |
| Ethernet Port | 1x RJ45 (Fast Ethernet, 480Mbps) |
| USB Data Ports | 2x USB 2.0 Type-A (up to 480Mbps) |
| Power Delivery | 1x USB-C PD (up to 60W pass-through) |
| Dimensions (L x W x H) | 3.5" x 2.3" x 0.6" (approx. 8.9cm x 5.8cm x 1.5cm) |
| Weight | 79.38 Grams (approx. 2.8 oz) |
| Enclosure Material | Plastic |
9. Maintenance
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the adapter yourself. This will void the warranty.
- Store the adapter in a safe place when not in use to prevent physical damage.
10. Warranty & Support
Cable Matters products are backed by a limited warranty. For detailed warranty information, technical support, or to register your product, please visit the official Cable Matters website or contact their customer service team.
Website: www.cablematters.com
Contact: Refer to the website for contact information and support resources.





