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 ...

While USB ports may look all the same and are compatible with most accessories that connect to them, some gadgets have optimal ports they should use.

We may receive a commission on purchases made from links. Ah, USB; where would we be without it? Introduced in the late 1990s as a one-size-fits-all replacement for the handful of ports and ...