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Many USB bridge / data transfer cables are still USB 2.0, but there are also a number of USB 3.0 transfer cables. Despite USB 3.0 being 10 times faster than USB 2.0, USB 3.0 transfer cables are only 2 to 3 times faster given their design. [clarification needed]
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 ...
In this way, cables with smaller 5 pin USB 2.0 Micro-B plugs can be plugged into devices with 10 contact USB 3.0 Micro-B receptacles and achieve backward compatibility. USB cables exist with various combinations of plugs on each end of the cable, as displayed below in the USB cables matrix. USB 3.0 Standard-B plug
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.
Full-Featured USB 3.2 and 2.0 Type-C cable wiring Plug 1, USB Type-C USB Type-C cable Plug 2, USB Type-C Pin Name Wire color No. Name Description 2.0 [a] Pin Name Shell: Shield Braid Braid Shield Cable external braid Shell: Shield A1, B12, B1, A12 GND Tin-plated 1 GND_PWRrt1 Ground for power return A1, B12, B1, A12 GND 16 GND_PWRrt2 A4, B9, B4 ...
Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables. The higher voltage available allows more power (watts) to be supplied through wires without excessive heating.