This guide is designed to show you the difference between USB 3.0 and USB 2.0. The Universal Serial Bus, more commonly known as USB, is a technology that has seen substantial growth and evolution ...

C, and USB Type-B ports all provide data transfers and power delivery, though the latter is much less common on modern devices.

I've looked at the manufacturer specs and can't find anything. I like to charge my phones off of the USB ports from the MB. How many amps does each deliver? Are USB 2.0 and 3.0 specs the same? However ...