what is the difference between blue and white usb ports?
USB 2.0 vs 3.0: Ports and Cables Standard USB cables follow the same color scheme as well. In the image below, we can see that USB 2.0 connectors are white (or black), while USB 3.0 connectors are blue in color. It is also common to find a "SS" (SuperSpeed) label on USB 3.0 cables.