The easiest way is to check if the USB port has a splash of blue color inside, which signifies the newer USB 3.0 interface. Though this is a common way to differentiate the two, not all laptops or ...

A USB 3.0 connection requires five conductors, and the connectors are blue in color. Backward compatibility is typically provided by including four additional conductors, as shown in the image here.

In some cases, on a device that offers USB connectivity, USB ports may be color-coded to indicate what USB specification they have, which in turn tells you the maximum speed each one is capable of ...

Traditional USB-A-style ports come in one of three main varieties: uncolored, dark blue, and teal. This color-coding system serves the purpose of designating bandwidth speeds. Unfortunately ...

Although black USB 2.0 ports are slower than the latest USB 3.x ports, you'll still find them on some modern-day laptops and ...

Much like with other USB port colors, such as red USB ports, the color doesn't always mean the same thing. While purple USB ports typically signal USB 3.1 or Huawei's SuperCharge, they do not ...