 the zebibit is a multiple of the bit, a unit of digital information storage, prefixed by the standards-based multiplier zebi (symbol zi), a binary prefix meaning 270.international electrotechnical commission, iec 60027-2 (2000-11) ed. 2.0 the unit symbol of the zebibit is zibit. : 1 zebibit = 270 bits =  = 1024 exbibitsdefinitions of the si units: the binary prefixes the prefix zebi was originally not a part of the system of binary prefixes, but was added together with the prefix yobi by the international electrotechnical commission in august 2005.iec - iec in action | news releases > nr2005 - here come zebi and yobi the binary prefixes are not part of the international system of units (si). ==references== 
Units_of_information