Question: What is USB 3.0 exactly? How to verify if my system do have USB 3.0 connections?

Answer: First, USB 3.0 is a standard for interfacing computers and electronic devices. Among other improvements, USB 3.0 adds the new transfer rate referred to as SuperSpeed USB (SS) that can transfer data at up to 5 Gbit/s (625 MB/s), which is about ten times as fast as the USB 2.0 standard. Manufacturers are recommended to distinguish USB 3.0 connectors from their USB 2.0 counterparts by blue color-coding of the Standard-A receptacles and plugs,[2] and by the initials SS.[3]

Second, it is recommended to visit your computer manufacturer website to see if USB 3.0 connectivity is available. Most of USB 3.0 connections are blue and have a  logo near the connector.

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