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A four-port "long cable" "external box" USB hub A four-port "compact design" USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. All devices connected through a ...
Power Delivery protocols have been updated to facilitate USB-C features such as cable ID function, Alternate Mode negotiation, increased V BUS currents, and V CONN-powered accessories. As of USB Power Delivery specification revision 2.0, version 1.2, the six fixed power profiles for power sources have been deprecated. [68]
OS X Yosemite (macOS version 10.10.2), starting with the MacBook Retina early 2015, supports USB 3.1, USB-C, Alternate Modes, and Power Delivery. [73] Windows 8.1 added USB-C and billboard support in an update. [74] Windows 10 and Windows 10 Mobile support USB 3.1, USB-C, alternate modes, billboard device class, Power Delivery and USB Dual-Role ...
USB Power Delivery Rev. 3.1 (V. 1.2) ... High-speed USB 2.0 hubs contain devices called transaction translators that convert between high-speed USB 2.0 buses and full ...
USB4 Gen3x2 cable (40 Gbps) with 100 W Power Delivery. Universal Serial Bus 4 (USB4), sometimes erroneously referred to as USB 4.0, is the most recent technical specification of the USB (Universal Serial Bus) data communication standard. The USB Implementers Forum originally announced USB4 in 2019.
Thunderbolt 3 has up to 15 watts of power delivery on copper cables and no power delivery capability on optical cables. Using USB-C on copper cables, it can incorporate USB power delivery, allowing the ports to source or sink up to 100 watts of power. This eliminates the need for a separate power supply from some devices.