Yobibyte
The yobibyte is a multiple of the unit byte for digital information. It is a member of the set of units with binary prefixes defined by the International Electrotechnical Commission. Its unit symbol is YiB.
The prefix yobi represents multiplication by 10248, therefore:
The prefixes zebi and yobi were added to the system of binary prefixes in August 2005.
One yobibyte is equal to eight yobibits.