How-To Geek on MSN

Blue, black, or red? What your USB port colors actually mean

Please stop using the wrong USB port ...
SlashGear

What Is An SS USB Port, And What Are They Used For?

If you've ever looked closely at the USB ports on your laptop or desktop PC, you may have noticed that some are labeled with a small symbol. It looks like the letters SS, with a three-pronged icon ...