Zettabyte
Encyclopedia : Z : ZE : ZET : Zettabyte
| Quantities of bytes | |||||
|---|---|---|---|---|---|
| Popular use and (SI standard meaning) | Binary prefix standards from IEC 60027-2 | ||||
| Name | Symbol | Quantity | Name | Symbol | Quantity |
| kilobyte | kB | 210 (103) | kibibyte | KiB | 210 |
| megabyte | MB | 220 (106) | mebibyte | MiB | 220 |
| gigabyte | GB | 230 (109) | gibibyte | GiB | 230 |
| terabyte | TB | 240 (1012) | tebibyte | TiB | 240 |
| petabyte | PB | 250 (1015) | pebibyte | PiB | 250 |
| exabyte | EB | 260 (1018) | exbibyte | EiB | 260 |
| zettabyte | ZB | 270 (1021) | zebibyte | ZiB | 270 |
| yottabyte | YB | 280 (1024) | yobibyte | YiB | 280 |
A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. It is commonly abbreviated ZB.
A zettabyte is often also used to mean 2 to the 70th power (1,180,591,620,717,411,303,424) bytes, or 1024 exabytes. The term zebibyte has been coined (though is not official) which is a non-ambiguous term for this meaning.
See also
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