USB 3.1

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USB 3.1

A 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 are required.

A Naming Jumble
USB 3.0 and 3.1 were renamed twice, resulting in the following three ways the same ports may be identified. Thankfully, this jumble should disappear in the future because a new naming convention was adopted with USB 4 (see USB). See USB 3.2.
USB 3.0            USB 3.1

      3.0                3.1
      3.1 Gen 1          3.1 Gen 2
      3.2 Gen 1x1        3.2 Gen 2x1

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. (Image courtesy of VESA,

The Simpler Reference
Regardless of the fact USB 3.1 is officially USB 3.2 Gen 2x1, millions of references to the simpler 3.1 designation are found everywhere.

Not Really
USB specs are confusing to begin with, and worse yet is when products are labeled incorrectly. The SuperSpeed logo and 5 Gbps data rate define USB 3.0 and not 3.1. See USB 3.0.
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References in periodicals archive ?
The ZenBook 14 also features one USB 2.0 Type A port, plus a USB 3.1 Type A and C.
USB Type-C will be able to transfer data at a rate of around 640Mbps, which is an improvement over USB 2.0 and microUSB which have transfer speeds of around 480Mbps, but is is some way off the 10Gbps speed offered by USB 3.1.
It can be connected to a wireless network via Intel[R] Wireless-AC 7265 (802.11ac 2x2 MIMO) WiFi and to other devices with its two USB 3.1 Type-C ports and two USB 3.0 ports.
Connectivity options on the device includes two USB 3.1 Type-C ports, two HDMI 2.0 and one x DP 1.4.
The Sony 32GB OTG Pen Drive features USB 3.1 connectivity, which as per the company can transfer your data much faster than the regular pen drives.
For additional peripherals, there is a USB 3.1 Type-C Gen 1 port, USB 3.0 port that supports power-off charging, and another two USB 2.0 ports.
In terms of connectivity, both the laptops offer a USB Type-C port (USB 3.1 Gen 2) along with a Type-A USB 3.1 Gen 2 port.
By following the quick and easy installation guide, users can transform an M.2 SATA SSD into a portable USB 3.1 Gen 1 external drive to maximize utilization.
The Acer Swift 5 features a USB 3.1 Type-C Gen-2 port delivering high-speed 10 Gbps data transfers and supporting power delivery and display output, plus two USB 3.1 Type-A ports (one with power-off charging functionality), and an HDMI port.
Apacer has introduced the all new AH359 USB 3.1 Gen1 and AH336 USB 2.0 streamline USB flash drives.