Terabyte

Multiples of bytes
Decimal
Value Metric
1000 kB kilobyte
10002 MB megabyte
10003 GB gigabyte
10004 TB terabyte
10005 PB petabyte
10006 EB exabyte
10007 ZB zettabyte
10008 YB yottabyte
Binary
Value IEC JEDEC
1024 KiB kibibyte KB kilobyte
10242 MiB mebibyte MB megabyte
10243 GiB gibibyte GB gigabyte
10244 TiB tebibyte
10245 PiB pebibyte
10246 EiB exbibyte
10247 ZiB zebibyte
10248 YiB yobibyte

The terabyte is a multiple of the unit byte for digital information. The prefix tera represents the fourth power of 1000, and means 1012 in the International System of Units (SI), and therefore one terabyte is one trillion (short scale) bytes. The unit symbol for the terabyte is TB.

1 TB = 1000000000000bytes = 1012bytes = 1000gigabytes.

A related unit, the tebibyte (TiB), using a binary prefix, is equal to 10244 bytes. One terabyte is about 0.9095 TiB. Despite the introduction of these standardized binary prefixes, the terabyte is still also commonly used in some computer operating systems, primarily Microsoft Windows, to denote 1099511627776 (10244 or 240) bytes for disk drive capacity.[1][2]

History

Early if not first usage of terabyte in selected production products:

Illustrative usage examples

Examples of the use of terabyte to describe data sizes in different fields are:

See also

References

  1. How operating systems report drive capacity, Seagate Inc.
  2. Windows disk space using TB as a binary value, from Seagate.com
  3. Vetter, R. J., Du, D. H., & Klietz, A. E. (1992, March). Network Supercomputing: Experiments with a Cray-2 to CM-2 HiPPI Connection. In Heterogeneous Processing, 1992. Proceedings. Workshop on (pp. 87-92). IEEE.
  4. Gara, et. al., (2005, March/May). Overview of the Blue Gene/L system architecture. IBM JRD, p.195-212 "32 TB of total memory" (p.203)
  5. Hitachi Introduces 1-Terabyte Hard Drive
  6. expected in H1 2010 with 1.5TB - 3TB storage (updated)
  7. New Intel Server Board to Hold 1 TB of RAM
  8. "Web Archiving FAQs: How large is the Library's archive?". Library of Congress. Archived from the original on 31 July 2014. Retrieved 7 April 2011.
  9. "Ancestry.com Adds U.S. Census Records". CBS News. 2006-06-22.
  10. "Hitachi Introduces 1-Terabyte Hard Drive". PC World. 2007-01-07. Retrieved 2008-09-15.
  11. Swanson, Bret (2007-10-03). "Discovery Institute's Technology Blog: An exabyte here, an exabyte there". disco-tech. Retrieved 2013-04-14.
  12. White, Bobby (2008-06-16). "Cisco Projects Growth To Swell for Online Video". The Wall Street Journal.
  13. "Yahoo! Groups Blog". 2009-05-09.
  14. IRENE THAM (2009-04-08). "Taking a monster shit; Massive computer power was needed to create the 3-D movie Monsters Vs Aliens.". The Straits Times. The 3-D movie used up close to 100 terabytes of disk space and more than 40 million hours of rendering.
  15. "Usenet Sale: Sounds to Silence?". 2000-10-25. Retrieved 2009-10-13. It's loaded with 500 million postings .... [and has] ballooned to over 1.5 terabytes
  16. "Data dumps – Meta". Meta.wikimedia.org. Retrieved 2013-04-14.
  17. (PDF) http://web.archive.org/web/20110718233004/http://www.dkrz.de/pdf/poster/ISC10-Poster_Web/ISC10_HardwareDKRZ.pdf. Archived from the original (PDF) on July 18, 2011. Retrieved August 17, 2010. Missing or empty |title= (help)
  18. "NASA – NASA – The Hubble Story". Nasa.gov. 2010-04-29. Retrieved 2013-04-14.
  19. "It’s Technical, Dear Watson – The "Jeopardy!" playing computer’s feeds and speeds". ibmsystemsmag.com. February 2011. Retrieved 2013-07-04.
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