Yottabyte

Multiples of bytes
Decimal
Value Metric
1000 kBkilobyte
10002 MBmegabyte
10003 GBgigabyte
10004 TBterabyte
10005 PBpetabyte
10006 EBexabyte
10007 ZBzettabyte
10008 YByottabyte
Binary
Value IEC JEDEC
1024 KiBkibibyte KBkilobyte
10242 MiBmebibyte MBmegabyte
10243 GiBgibibyte GBgigabyte
10244 TiBtebibyte –
10245 PiBpebibyte –
10246 EiBexbibyte –
10247 ZiBzebibyte –
10248 YiByobibyte –
Orders of magnitude of data

The yottabyte is a multiple of the unit byte for digital information. The prefix yotta indicates multiplication by the eighth power of 1000 or 1024 in the International System of Units (SI), and therefore one yottabyte is one septillion (one long scale quadrillion) bytes. The unit symbol for the yottabyte is YB.

1 YB = 10008bytes = 1024bytes = 1000000000000000000000000bytes = 1000zettabytes = 1trillionterabytes

A related unit, the yobibyte (YiB), using a binary prefix, is equal to 10248bytes (approximately 1.209 YB).

Examples

In 2010, it was estimated that storing a yottabyte on terabyte-size disk drives would require one billion city block-size data-centers, as big as the states of Delaware and Rhode Island combined.[1] By late 2016 memory density had increased to the point where a yottabyte could be stored on SD cards occupying roughly twice the size of the Hindenburg.[2]

With recently demonstrated technology using DNA computing for storage, one yottabyte of capacity would require a volume between 0.003 and 1 cubic meter, depending on number of redundant backup copies desired and the storage density: "Our genetic code packs billions of gigabytes into a single gram".[3] DNA is much more advanced technology than microSDXC cards (for this application) and accompanied by uncertain costs, but this suggests potential information density.[4]

See also

References

  1. ↑ Diaz, Jesus (7 Jun 2010). "The One Hundred Trillion Dollars Hard Drive". Gizmodo. Retrieved 7 March 2013.
  2. ↑ "Archived copy". Archived from the original on 2017-02-02. Retrieved 2017-01-20.
  3. ↑ "DNA: The Ultimate Hard Drive". August 16, 2012.
  4. ↑ "Yottabyte DNA. Database of the New Age". August 17, 2012. Archived from the original on January 10, 2014.
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