Yobibit

The yobibit is a multiple of the bit, a unit of digital information storage, prefixed by the standards-based multiplier yobi (symbol Yi), a binary prefix meaning 280. The unit symbol of the yobibit is Yibit.
1 yobibit = 280 bits = = 1024 zebibits
The prefixes "zebi" and "yobi" were originally not part of the system of binary prefixes, but were added by the International Electrotechnical Commission in August 2006.