1. A unit of information equal to 1000 exabytes or 10^21 bytes
   - ZB 
2. A unit of information equal to 1024 exbibytes or 2^70 bytes
   - zebibyte, ZB, ZiB

Derived forms: zettabytes

Type of: computer memory unit

Part of: YB, YiB, yobibyte, yottabyte

Encyclopedia: Zettabyte

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