zb

(noun) a unit of information equal to 1000 exabits or 10^21 bits. Synonyms: zettabit, Zbit, Zb.

(noun) a unit of information equal to 1000 exabytes or 10^21 bytes. Synonyms: zettabyte, ZB.

(noun) a unit of information equal to 1024 exbibytes or 2^70 bytes. Synonyms: zettabyte, zebibyte, ZB, ZiB.