So if you have the choice between a USB 2.0 and 3.2 port for charging a device, you'll always want the 3.2 port (but don't expect too much from the little guy). The only other significant ...

For instance, a blue USB port usually indicates a high-speed connection ... ports are often associated with the USB 3.1 Gen 2 ...

Keyboards and mice used PS/2 ports, gamepads had their own port that doubled as the hookup ... which also enhanced the capabilities of USB. 2017's USB 3.2 was only able to increase the transfer ...