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Definition: USB 3.1


The previous generation of the USB hardware interface, introduced in 2013. USB 3.1 doubled the transfer rate from 5 to 10 Gbps. Also called "SuperSpeed+", new cables and connectors must be used. Note that USB 3.1 was renamed USB 3.1 Gen 2 for a while and subsequently incorporated into the USB 3.2 specification as USB 3.2 Gen 2x1 (see USB 3.2, USB 3.0, USB Power Delivery and USB Type C.




USB-C or High-Performance Type A
On the host, either USB-C or certified Type A ports must be used to handle the higher speed of USB 3.1 (a.k.a. USB 3.2 Gen 2x1 and USB 3.1 Gen 2). (Image courtesy of VESA, www.vesa.org)