Shamils/Shutterstock If you've ever looked at your computer, you might have noticed that some USB ports are different colors. While it might be tempting to just write this off as an aesthetic kind of deal, that isn't the case at all. The color of the USB port is actually very important, as it helps you quickly identify the port's type, which can tell you a lot about its overall speed. Color doesn't matter nearly as much when we're talking about USB-C ports , but PCs haven't completely abandoned legacy USB ports, so it's good to know what each color represents. So, if you're looking at the back of your PC, and you're wondering what the difference between a blue and black USB port is, here's what you need to know. When you spot a black USB port on the back or side of your PC, that means that the connector supports the USB 2.0 Hi-Speed standard. Now, don't let the use of the term "Hi-Speed" mislead you.…