An external hard drive (sometimes called by other names like an external HDD, external hard disk drive, or portable hard drive) is a data storage device that is designed to be used with a computer. It provides a way to add additional storage capacity to your computer, which can be useful for storing large files such as videos, photos, and music. External hard drives come in a variety of sizes and capacities, so you can choose one that meets your specific needs.
There are many benefits to using an external hard drive. First, they are portable, so you can easily take them with you wherever you go. This makes them ideal for storing files that you need to access on multiple computers. Second, external hard drives are relatively inexpensive, so they are a cost-effective way to add additional storage capacity to your computer. Third, external hard drives are easy to use. Simply connect the drive to your computer using a USB cable, and you will be able to access your files.