These small devices are basically portable hard drives that plug into the USB port of a computer or other compatible device. They are also commonly known as USB flash drives, pen drives and pocket drives. They are small, lightweight drives that can hold up to two gigabytes of data.
Flash drives can be used as temporary or backup storage devices as some of them can last up to 10 years. They are ideal for storing and transporting files, music and photographs. Compact, high speed flash drives are available in various memory sizes and designs.
Depending on their memory size they can range in price from about $20 to $200.