Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A unit of computer memory or data storage capacity equal to 1,024 zettabytes (280 bytes).
  • noun One septillion (1024) bytes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun SI One septillion (1,000,000,000,000,000,000,000,000) bytes. SI symbol: YB.
  • noun computing 1,208,925,819,614,629,174,706,176 bytes or 10248, or 280. This capacity may be expressed unambiguously as a yobibyte.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a unit of information equal to 1000 zettabytes or 10^24 bytes
  • noun a unit of information equal to 1024 zebibytes or 2^80 bytes

Etymologies

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Examples

  • If the intervening space could keep quiet, it was yottabyte per minute capable.

    Mandala « A Fly in Amber 2010

  • "We will have to go to the yottabyte pretty soon".

    PC PRO 2010

  • And yet, one day we will look back at this figures and shrug, as we order a 4 yottabyte memory card to save a few hours of our life with our 5-senses brain impulse recording device.

    Gizmodo 2010

  • "We will have to go to the yottabyte pretty soon".

    PC PRO 2010

  • Exabyte (1 billion gigabytes), zettabyte (1 billion terabytes) and yottabyte (1 quadrillion gigabytes).

    Geekologie - Gadgets, Gizmos, and Awesome 2010

  • "We will have to go to the yottabyte pretty soon".

    TechCentral.ie - Answers + Analysis + Advice 2010

  • : As we approach the zettabyte (and perhaps even yottabyte) age, can value really be extracted from the voluminous data that is now in existence?

    Latest News from Web 2.0 Journal 2009

  • As we approach the zettabyte (and perhaps even yottabyte) age, can value really be extracted from the voluminous data that is now in existence?

    Latest News from Web 2.0 Journal 2009

  • The USA's National Security Agency is apparently building a mammoth datacentre to house its ever-growing automated surveillance data - up to one yottabyte of it.

    OCAU News 2009

  • "yottabyte era", which is equal to one quadrillion gigabytes.

    TechCentral.ie - Answers + Analysis + Advice 2010

Comments

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  • Anytime someone starts nattering on about their download speed, I just say that I can download 10 yottabytes in one zeptosecond. OK, actually, I just fantasize about saying this.

    September 9, 2008

  • Oh, go on. Then come back here and let us know what happened. :-)

    September 10, 2008

  • Who gets to make up these prefixes? yotta-, zetta-, zepto-. They all sound like Marx brothers and sisters. How big is a harpobyte?

    September 10, 2008

  • Haha! I've wondered that too!

    Do you think a grouchobyte is bigger than a harpobyte?

    September 10, 2008

  • I don't know, rt. It's louder, that's for sure.

    September 10, 2008

  • Right, rolig. It's louder, but you can't actually understand anything it says.

    September 10, 2008

  • That's the most ridiculous thing I've ever hoid.

    *eyebrow flitter*

    September 10, 2008

  • Well, if you want it to be understandable, you'd need a zeppobyte, but then if you wanted it to get really crazy, you should use a chicobyte.

    September 10, 2008

  • Chicobytes come with pointy hats, too.

    September 10, 2008

  • Oooh! pointy hats!

    September 10, 2008

  • Pointy hats! *chanting*

    September 10, 2008

  • Pointy hats!

    (And They call us low-brow.)

    September 10, 2008

  • “And what is a yottabyte? I’m glad you asked.

    There are a thousand gigabytes in a terabyte, a thousand terabytes in a petabyte, a thousand petabytes in an exabyte, a thousand exabytes in a zettabyte, and a thousand zettabytes in a yottabyte. In other words, a yottabyte is 1,000,000,000,000,000GB. Are you paranoid yet?�?

    TechCrunch, NSA Datacenters To Store Yottabytes Of Surveillance Data, by Devin Coldewey, November 1, 2009

    November 2, 2009

  • Similar to measuring fragments of seconds. :-)

    November 3, 2009