Dell Inspiron 3052 user manual download (Page 55 of 93)

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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

11 Mbps.

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

Gen 1, 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.