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The USB-C presentation on DP Alt mode [47] calls out passive full-featured USB-C cables for their DisplayPort support and headroom for future DP speed increases. HBR3 was the highest available DP speed at the time.
In VirtualLink mode, there were six high-speed lanes active in the USB-C connector and cable: four lanes transmit four DisplayPort HBR 3 video streams from the PC to the headset while two lanes implement a bidirectional USB 3.1 Gen 2 channel between the PC and the headset. Unlike the classic DisplayPort USB-C alternate mode, VirtualLink has no ...
Unavailable on USB-C – The DisplayPort Alternate Mode specification for sending DisplayPort signals over a USB-C cable does not include support for the dual-mode protocol. As a result, DP-to-DVI and DP-to-HDMI passive adapters do not function when chained from a USB-C to DP adapter.
They are also capable of providing DisplayPort Alternate Mode as well as DisplayPort over USB4 Fabric, making the function of a Thunderbolt 3 port a superset of that of a USB 3.1 Gen 2 port. DisplayPort Alternate Mode 2.0: USB4 (requiring USB-C) requires that hubs support DisplayPort 2.0 over a USB-C Alternate Mode.
USB4 supports DisplayPort 2.0 over its alternative mode. [105] [106] DisplayPort 2.0 can support higher than 8K resolution at 60 Hz losslessly due to new UHBR 10, 13.5, and 20 signaling standards (DSC 1.2 used in DisplayPort 1.4 for that resolution is not lossless) in 8 bit and 8K 60 Hz with 10 bit color and use up to 80 Gbit/s (effective ...
List of Alternate Mode partner specifications Logo Name Date Protocol Status Thunderbolt Alternate Mode: Announced in June 2015 [36] USB-C is the native (and only) connector for Thunderbolt 3 and later Thunderbolt 3 (also carries 4× PCI Express 3.0, DisplayPort 1.2, DisplayPort 1.4, USB 3.1 Gen 2), [36] [37] [38] [39]
[1] [2] The name "DeX" is a contraction of "Desktop eXperience". For technical specifications, Samsung DeX requires hardware such as USB 3.1 transfer specification, USB-C port with DisplayPort Alternate Mode support to be present on a mobile device. [3]
As stated at CES in January 2023, HDMI Alternate Mode for USB Type-C is no longer being updated [200] as there are no known products using this protocol, reducing its relevance in the current market. This will reduce consumer confusion as DisplayPort Alternate Mode is the primary video protocol of choice over USB-C.