For over a decade after its 1996 debut, the USB port was a plain, black rectangular slot that powered keyboards and mice. That changed in 2008, when blue ports began appearing on devices to mark the ...

I have a Lenovo laptop that has 3 USB connectors on the side. one is marked on the case with just the USB symbol, and the other two have a SS-USB symbol by them. I can see the extra contacts that are ...