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DisplayPort™ over USB Type-C

Summary: Learn about DisplayPort over USB Type-C and it's advantages. Find information about how to identify if the USB Type-C port on your PC supports DisplayPort technology.

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Article Content


Symptoms


Article Summary : This article provides information on what is DisplayPort™, DisplayPort™ over USB Type-C, key features of DisplayPort™ over USB Type-C and answers to some frequently asked questions.

Table of Contents:

  1. What is DisplayPort™ over USB Type-C?
  2. Advantages of DisplayPort™ over USB Type-C
  3. Frequently Asked Questions

What is DisplayPort™ over USB Type-C?

DisplayPort™ over USB Type-C enables the delivery of full DisplayPort A/V performance (driving monitor resolutions of 4K and beyond), SuperSpeed USB (USB 3.1) data and up to 100 watts of power with the convenience of reversible plug orientation and cable direction. DisplayPort™ is the first A/V protocol to be carried over USB Type-C.

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Advantages of DisplayPort™ over USB Type-C

Advantages of DisplayPort™ over USB Type-C

  • Full DisplayPort audio/video (A/V) performance (up to 8K at 60Hz).
  • SuperSpeed USB (USB 3.1) data transfer.
  • Up to 100 watts of power over a single cable.
  • Reversible plug orientation and cable direction.
  • Backwards compatibility to VGA, DVI with compatible adapters.
  • Supports HDMI 2.0a on select products and is backwards compatible with previous versions.
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Frequently Asked Questions

What is the DisplayPort™ over USB Type-C?

DisplayPort™ over USB Type-C enables the USB Type-C connector and cable to support the DisplayPort interface for audio/video (AV) transport capability.

Is DisplayPort™ over USB Type-C a VESA Standard?

Yes, it is published by VESA and called the DisplayPort Alt Mode for USB Type-C Standard.

What type of products will use this standard?

The USB Type-C connector is the next generation USB interface and it will appear on devices such as Smart Phones, Tablets, PCs, Notebooks, Docking Stations, Displays, and Peripherals. Many of these systems are expected to support DisplayPort over USB Type-C, refer to the product documentation for more information.

Will DisplayPort over USB Type-C provide the same level of performance and features as the standard DisplayPort connection?

Yes. Just like in standard DisplayPort connectors and cables, DisplayPort over USB-C can take advantage of the four high-speed data lanes in the USB Type-C connector and cable to provide 4K display resolutions and beyond on supported products.

How will I know if the USB Type-C connector on my device supports DisplayPort over USB Type-C?

USB Type-C connectors that support the DisplayPort over USB Type-C will normally include the DisplayPort (DP) logo near the connector.

Can I connect an existing monitor to a new computer, tablet or phone that uses the USB Type-C connector with DisplayPort over USB Type-C?

Yes. Adapters and Adapter cables are available to connect DisplayPort over USB Type-C to DisplayPort, HDMI, DVI, and VGA monitor inputs.

Can I connect my HDTV to a device that uses DisplayPort over USB Type-C for video output?

Yes. Adapters and Adapter cables are used to connect DisplayPort over USB Type-C to an HDMI/VGA input on the HDTV. If the HDTV has a DisplayPort input, then a USB Type-C to DisplayPort adapter cable can be used to provide DisplayPort display capability.

What happens if I plug my display into a USB Type-C port that does not support DisplayPort over USB Type-C?

No video data will be received by the display, hence there will be no image on the screen. Doing this will not harm your device. A warning message might also be displayed on the screen of the USB product to notify the user about the incompatibility.

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Article Properties


Affected Product

Dell Dock WD15, Dell Thunderbolt Dock TB15, Dell Thunderbolt Dock TB16, Dell Precision Dual USB-C Thunderbolt Dock - TB18DC

Last Published Date

21 Feb 2021

Version

3

Article Type

Solution