A usb external cd drive is a device that allows a computer to read data from and write data to a CD or DVD. They are available in both portable and desktop form factors, and are a common way to add optical drive functionality to a computer that lacks one.

Usb external cd drives typically connect to a computer via a USB port. This connection allows the drive to draw power from the computer, eliminating the need for a separate power adapter. Many drives also include a built-in USB hub, which allows multiple devices to be connected to the computer …