Yottabit
The yottabit is a multiple of the unit bit for digital information or computer storage. The prefix yotta is defined in the International System of Units as a multiplier of 1024, and therefore
The yottabit has the unit symbol Ybit or Yb.
The yottabit is closely related to the yobibit, a unit multiple derived from the binary prefix yobi of the same order of magnitude, which is equal to =, or approximately 21% larger than the yottabit.
