Universal Serial Bus (USB) is a standard for communication and power delivery between devices and hosts, such as computers, smartphones, cameras, and peripherals. USB supports various data rates, from 1.5 Mbps (USB 1.0) to 80 Gbps (USB4 Version 2.0). USB also supports different power delivery modes, from 2.5 W (USB 2.0) to 240 W (USB PD 3.1). USB4 Version 2.0 is the latest version of the standard and is backward compatible with USB 3.2, USB 2.0, and Thunderbolt 3.