While it's a standard, you will encounter it in specific hardware "pieces" such as:
Specific components like a USB 3.0 Motherboard Adapter or USB 3.0 Hub allow you to add or expand ports on a computer. USB 3.0
USB 3.0 is a or specification rather than a single physical "piece" . It defines the protocols and electrical requirements for "SuperSpeed" data transfers, reaching theoretical speeds up to 5 Gbps—roughly ten times faster than USB 2.0. While it's a standard, you will encounter it
The internal chip on a motherboard that manages the USB 3.0 interface. Technical Quick Facts: Usb 3.0 Motherboard Adapter - Amazon.com While it's a standard