petabyte

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petabyte

A data center stores a petabyte of information on its servers.

Definition
  1. Noun:
    • A unit of digital information storage: A "petabyte" is a very large unit of data measurement. It has two primary definitions in computing contexts.
    • Binary (Base-2) Definition: In fields like computer architecture and memory, a petabyte (PB) is equal to 1,024 tebibytes (TiB) or 2^50 bytes, which is 1,125,899,906,842,624 bytes.
    • Decimal (Base-10) Definition: In contexts like data storage, networking, and for some hard drive manufacturers, a petabyte is equal to 1,000 terabytes (TB) or 10^15 bytes, which is 1,000,000,000,000,000 bytes.
Usage Examples
  • Noun:
    • The new data center has a storage capacity of several petabytes.
    • A single petabyte could hold about 13.3 years of high-definition video.
    • The confusion arises because the system reports 1.13 PB, which is 1 petabyte in base-2 terms.
Advanced Usage
  • "Petabyte-scale": Used as an adjective to describe systems, databases, or analyses that involve data volumes on the order of petabytes.
    • The company specializes in petabyte-scale cloud storage solutions.
  • The distinction between the binary (2^50) and decimal (10^15) definitions is critical in technical specifications. The binary petabyte is sometimes explicitly called a "pebibyte" (PiB) to avoid ambiguity.
Variants and Related Words
  • Pebibyte (PiB): (Noun) The unambiguous term for 2^50 bytes, or 1,024 tebibytes.
    • For precise measurement, use pebibytes instead of petabytes.
  • Terabyte (TB): (Noun) A unit of information equal to 1,024 gigabytes (binary) or 1,000 gigabytes (decimal); one-thousandth of a decimal petabyte.
  • Exabyte (EB): (Noun) The next larger unit, equal to 1,000 petabytes (decimal) or 1,024 petabytes (binary).
Synonyms
  • PB: The standard abbreviation for petabyte.
  • Quadrillion bytes: A descriptive synonym for the decimal (10^15) definition.
Related Phrases
  • Petabyte of data: A common collocation emphasizing the massive volume.
    • They processed over a petabyte of data for the research project.
  • Multi-petabyte: Describing capacities or datasets exceeding one petabyte.
    • The archive is a multi-petabyte repository of satellite imagery.
petabyte

A data center stores a petabyte of information on its servers.

Noun
  1. a unit of information equal to 1024 tebibytes or 2^50 bytes
  2. a unit of information equal to 1000 terabytes or 10^15 bytes

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