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USB standards

Table 1. USB standardsThis table provides a list of the USB standards.
USB 3.1 Gen 2	This is also referred to as SuperSpeed USB+. This port supports peripherals such as storage devices, printers, and so on. Provides data transfer speeds up to 10 Gbps. It can be found with USB Type-C connections and has capabilities of Gen 1 in addition to DisplayPort over USB video capability.
USB 3.1 Gen 1	This is also referred to as SuperSpeed USB. This port supports peripherals such as storage devices, printers, and so on. Provides data transfer speeds up to 5 Gbps. Systems with Legacy USB 3.0 ports are now USB 3.1 Gen 1.
USB 2.0	This is referred to as Hi-Speed USB. It provides additional bandwidth for multimedia and storage applications. USB 2.0 supports data transmission speed up to 480 Mbps.
USB 1.x	Legacy USB standard supporting data transfer speeds up to 11 Mbps.
USB PowerShare	The USB PowerShare feature enables you to charge USB devices when the computer is powered off or is in sleep state. The icon indicates that the USB port supports PowerShare feature. NOTE Certain USB devices may not charge when the computer is powered off or in sleep state. In such cases, turn on the computer to charge the device. NOTE If you turn off your computer while charging a USB device, the device may stop charging. To continue charging, disconnect the device and connect it again. NOTE On laptops, PowerShare feature stops charging the device when the laptop battery charge reaches 10%. You can configure this limit using BIOS setup program.
USB-C	Depending on your device, this port may support USB 3.1, Display over USB-C, and Thunderbolt 3 devices. For more information, see the documentation that shipped with your device.
Thunderbolt 3 (USB-C) port	You can connect USB 3.1 Gen 2, USB 3.1 Gen 1, DisplayPort, and Thunderbolt devices to this port. It enables you to connect to external display using dongles. Provides data transfer rates up to 40 Gbps.
Debug port	The debug port enables a user to run the USB 3.0 ports in USB 2.0 mode temporarily for troubleshooting purposes and also when operating system is reinstalled using a USB optical drive or a flash drive.