Look For Ports On Your Case And The Motherboard Itself The easiest way to determine how many USB ports you have to work with on your PC is to simply count up all the ports you can find around the ...

Additional Tips Using a Multimeter: If you have a multimeter, you can also use it to check the voltage of a USB port by connecting it to the external pins of the USB-A connector.

If you want to be on the safe side and find out how much power certain USB ports offer, there are many ways to find out. You can use an on-board Windows tool, an freeware tool, or a USB voltmeter.

A PC's USB ports are managed via the motherboard, with ports usually either sticking out of the back of your case or mounted on the top. You can easily determine how many USB ports you have on ...