Yobibyte
A unit of data storage.
Because yottabytes are ambiguous and misuse the prefix "yotta" as defined by the International System of Units, the International Electrotechnical Commission established Yobibytes in 2000.
A Yobibyte is always 2^80, or 1,208,925,819,614,629,174,706,176 bytes.
Yobibytes are 1,024 Zebibytes and are the highest byte measurement scale.