The main advantage of USB 3.0 is its speed up to 10 times faster than the last generation USB 2.0, and it's only half as fast as some other technologies, and you don't need a special computer to take advantage of it. If you're not sure if your device supports USB 3.0, you can check the manufacturer specifications or another easy way to tell is checks the inside of the connector. The key that keeps you from putting it in the wrong way is usually blue on USB 3.0 devices. Now, most USB 3.0 devices these days are storage devices because that's where you can take advantage of that extra performance. 

However, there are other devices that are available such as things like external video capture devices that USB 2.0 is not fast enough for USB 3.0 is I often get asked where to plug a USB device into. The simple answer is because of that backwards compatibility, it doesn't matter. All you do is plug the USB drive into the USB port, which is usually easy to recognize because it has a blue colour coded key on it, or if that's not present, you can look inside the connector to see if there's additional pins. Your computer will also usually prompt you if you install a USB 3.0 device into a USB two port.

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