Can you add more USB ports to a computer?

Can you add more USB ports to a computer?

A typical USB 4-port hub accepts 4 "A" connections You plug the hub into your computer, and then plug your devices (or other hubs) into the hub. By chaining hubs together, you can build up dozens of available USB ports on a single computer. Hubs can be powered or unpowered.

Can I use a USB 3.0 device in a USB 2.0 port?

Yes, Integral USB 3.0 Flash Drives and card readers are backwards compatible with USB 2.0 and USB 1.1 ports. The USB 3.0 Flash Drive or card reader will work at the speed of the port, for example if you use a USB 3.0 Flash Drive in your USB 2.0 laptop, it will work at USB 2.0 speed.

What happens if you plug a USB 2.0 into a USB 3.0 port?

Yes, USB 3.0 is generally backward compatible with USB 2.0. Thus, you can generally use USB 2.0 devices on a USB 3.0 port, especially external storage devices, which is what the higher speed was designed for (but you won't get the higher speed with a 2.0 device).