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 ...

Yellow: These ports can support either USB 2.0 or 3.0, and are "always on", meaning they can supply power even when the ...

USB port colors range from black and blue to red and purple. Each color has its own meaning, which is worth understanding if ...

Modern laptops come with a dizzying array of ports—or maybe only one, in the case of some extremely svelte ultraportables. But how can you know what they all do, or what you might want in a new system ...