This is the *HP USB External DVD Writer*, model *GP60NB50*
What you see in the picture is not a hard disk, it is a DVD drive that can be connected from outside using USB.
*What is its functionality:*
1. *Reading CD / DVD:* If your computer or laptop does not have a DVD drive, you can plug this in via USB and run any CD or DVD. For example, old songs, movies, software discs.
2. *Writing CD / DVD:* It is labeled DVDRW meaning you can write to blank DVDs with this. Such as burning photos, videos, and file backups to a DVD.
3. *Where it is useful:*
- For installing Windows on a laptop
- For copying files from old discs
- For saving wedding videos or important files on a DVD
*How to operate this:*
Just plug the side USB cable into the laptop/PC. A separate charger is not required, it takes 5V 1.6A power from the USB itself. The front side opens to insert the disc.