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Under the USB 3.2 specification, released 22 September 2017, [11] existing SuperSpeed certified USB-C 3.1 Gen 1 cables will be able to operate at 10 Gbit/s (up from 5 Gbit/s), and SuperSpeed+ certified USB-C 3.1 Gen 2 cables will be able to operate at 20 Gbit/s (up from 10 Gbit/s). The increase in bandwidth is a result of multi-lane operation ...
USB bridge cables have become less important with USB dual-role-device capabilities introduced with the USB 3.1 specification. Under the most recent specifications, USB supports most scenarios connecting systems directly with a Type-C cable. For the capability to work, however, connected systems must support role-switching.
A number of extensions to the USB Specifications have progressively further increased the maximum allowable V_BUS voltage: starting with 6.0 V with USB BC 1.2, [42] to 21.5 V with USB PD 2.0 [43] and 50.9 V with USB PD 3.1, [43] while still maintaining backwards compatibility with USB 2.0 by requiring various forms of handshake before ...
Formally, a cable type and properties are defined by a distinct specification version, which was used during the development/design of said cable model, so each cable would be a valid and possibly certified cable according to a specific set of USB specification versions, like "Type-C 2.3, USB 3.2, USB4 Version 2.0".
The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.
The xHCI specification evolved through several versions before its official release in 2010: xHCI 0.9: Released in August 2008. USB 0.95: Released in December 2008. USB 0.96: Released in August 2009. USB 0.96a: 1.0 Release Candidate, Released in April 2010. First shipping devices based on this version.