Users Guide
Audio 55
USB standards
USB 3.1 — This is also referred to as SuperSpeed USB. This port supports
peripherals such as storage devices, printers, and so on. Provides data
transfer speeds of 5 Gbps (USB 3.1 Gen 1) and 10 Gbps (USB 3.1 Gen 2).
USB 3.0 — This is also referred to as SuperSpeed USB. This port supports
data transmission speed of up to 4.8 Gbps and is backward compatible with
older USB standards and is backward compatible with older USB standards.
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
11Mbps.
USB PowerShare — The USB PowerShare feature allows 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
Gen1, DisplayPort, and Thunderbolt devices to this port. It allows 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.