How do I know if my PC has USB ports?

The QZ USB 4-Port Bus Powered Hub expands USB connectivity of your laptop, desktop or tablet With built-in 1 ft USB cable it offers greater mobility at

USB was launched back in 2008 This new edition has more functions and better features

usb slot types Wanting to purchase an external hard drive for my notebook to back up my photos How do I determine if I have a USB 2 or 3

usb 20 slot Unitek USB 3-Port Memory Card Reader transfer your data, video, photo faster Multi-in-one, able to read any type of memory card