An external hard drive is primarily used for storage purposes. However, it may also help in making the computer more efficient by taking the extra load off of the random access memory (RAM).
External hard drives are available in various sizes and shapes. They are mainly used to store different files, including videos, audio files, word documents, photos and any other data. These hard drives increase convenience for those who wish to move from one place to another without leaving any data behind. They help increase the speeds of computers and are easy to connect through cables or wireless options.