A modern storage unit is a type of computer data storage device that stores digital information in the form of bytes. A byte is a unit of digital information that consists of 8 bits, which are the smallest units of digital information. Bytes are used to store and transmit data, such as text, images, and audio. Modern storage units are typically used in computers, servers, and other electronic devices. They are also used to store large amounts of data, such as music, videos, and documents.