Data Storage

What is a Terabyte? (TB)

Definition

A terabyte (symbol: TB) is a unit of digital information equal to 1,024 gigabytes or approximately one trillion bytes. Terabytes are used to measure the capacity of large storage devices such as hard drives, SSDs, and network-attached storage (NAS) systems. Consumer hard drives are now commonly sold in terabyte capacities.

Common Uses

  • › Hard drive and SSD capacity
  • › NAS and server storage
  • › Cloud storage tiers
  • › Video archive and backup sizes

Converters

Terabytes to Gigabytes →

Key Facts

  • Symbol
    TB
  • Category
    Data Storage
  • 1 TB = 1,024 GB
  • 1 TB = 1,048,576 MB
  • 1 TB ≈ 1 trillion bytes

Related Terms

About the Terabyte

A terabyte (symbol: TB) is a unit of digital information equal to 1,024 gigabytes or approximately one trillion bytes. Terabytes are used to measure the capacity of large storage devices such as hard drives, SSDs, and network-attached storage (NAS) systems. Consumer hard drives are now commonly sold in terabyte capacities.

Equivalents and conversions

  • 1 TB = 1,024 GB
  • 1 TB = 1,048,576 MB
  • 1 TB ≈ 1 trillion bytes

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