What is DP Alt Mode? DisplayPort over USB-C.

The most advanced A/V display connection technology now uses the most versatile connector.

  • Full DisplayPort audio/video (A/V) performance (up to 8k at 60Hz)
  • SuperSpeed USB (USB 3.1) data
  • Up to 100 watts of power over a single cable
  • Reversible plug orientation and cable direction
  • Backward compatibility to VGA, DVI, and HDMI with plug adapters or adapter cables
  • Adapters supports HDMI 2.0a and full 4K UHD resolution


DisplayPort leverages the Alternate Mode Functional Extension of the USB Type-C interface, and shares similar electrical characteristics with USB 3.1, allowing use of common system elements.

  • Video, SuperSpeed USB and power, all on one connector
  • 4K @60Hz 24-bit color (without compression) with simultaneous USB 3.1
  • 5K (5120 x 2880) display support without compression with simultaneous USB 2.0
  • Support for BT.2020 color space, HDR, and HDCP 2.2
  • 8K x 4K display support with use of 4:2:0 pixel structure (good) or  VESA Display Stream Compression (better)
  • High-end multichannel audio support
  • Backward compatible with VGA, DVI, and HDMI 2.0 with CEC using plug adapters or adapter cables
  • Extensible packet-based data structure

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