Petabyte

A petabyte (derived from the SI prefix peta- ) is a unit of information or computer storage equal to one quadrillion (one long scale billiard) bytes. It is commonly abbreviated PB.

Related Topics:
SI prefix - Peta - Information - Computer storage - Quadrillion - Long scale - Billiard - Byte

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Because of irregularities in using the binary prefix in the definition and usage of the kilobyte, the exact number in common practice could be either one of the following:

Related Topics:
Binary prefix - Kilobyte

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• 1,000,000,000,000,000 bytes — 1000⁵, or 10¹⁵.
• 1,125,899,906,842,624 bytes — 1024⁵, or 2⁵⁰. This capacity may be expressed unambiguously as a pebibyte.
 
Petabyte: Petabytes in use ►