We all know that the new standard of USB is now USB-C, it's replacing the traditional USB as well as the lightning connector of Apple. But a lot of people probably do not realise that there are different standards and specifications even inside USB or USB-C  itself. The specifications upgrade from time to time and become more powerful and versatile. We prepared this chart below for easier understanding of USB. Bare in mind that, USB-C standard uses the word 'up to' all the time, cuz the specifications of the chargers and cables are often needed to be stated. They vary mostly from 20W to more than 100W.