Yottabyte

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A yottabyte is an information storage unit whose symbol is the YB and is equivalent to 1024 bytes.

This was adopted by the SI in 1991.

The following guidance data are used to illustrate the amount of information that can be stored in a yottabyte.

Megabyte
To fill a yottabyte with megabytes you need a trillion:

digital photographs of 16 megapixels in an EX-ZR1000 Casio camera, with fine quality.

Examples
In 2010, it was estimated that storing a yottabyte in disk units the size of a terabyte would require a million data centres the size of an apple, an area approximately as large as the island of Cyprus. By the end of 2016 the memory density had increased to the point where a yottabyte could be stored on SD cards that would occupy approximately twice the size of the Hindenburg (about 400,000 cubic meters). The total amount of data that could be stored in the observable universe using each of the 10-fold-to-10-square-atoms as individual bits of information (using its spin, for example) is between 1.25 × 10-³ ³ and 1.25 × 10-fold-yottabytes.

Gigabyte
To fill a yottabyte with gigabytes you need a billion:

54 GB double layer Blu-ray disks.

750 GB hard drives.

Terabyte
To fill a yottabyte with terabytes you need a billion:

1.5 TB hard drives.

times the orientation size of the invisible Internet during 1997 (91,000 TB).

Search suggestions
Yobibyte
Zettabyte
Zebibyte

References

Information units