They can be used like larger versions of USB key drives or formatted to work like an internal storage drive. What are the features of an external hard drive?Įxternal hard drives have the advantage of versatility. Kept separately, a floppy disk drive can back up files that do not need to be on the computer at all times, and the drive is portable so that it can connect to other computers. The difference between this and the hard drive in your computer is that it is attached on the outside. External drives serve the purposes of expanding memory as well as protecting it.Īn external hard disk drive is a device that stores documents, audio, video, and other files from your computer. These devices help ensure security for all files that need it.
Portable external hard drives are highly specialized and programmed for the technology-savvy consumer.