テラバイト

てらばいと
noun, counter
terabyte; TB
technicaltechnologyquantity
1. terabyte; TB
A unit of digital information storage equal to 1,000 gigabytes (or 1,024 GB in binary). Also functions as a counter when paired with a number.
容量(ようりょう)(いち)テラバイトだ。
The capacity is one terabyte.
I bought a 2-terabyte external hard drive.
There's a lot of video data, so I now need storage on the order of terabytes.

Loanword from English "terabyte." Functions both as a noun and as a counter directly after numerals (e.g., 1テラバイト, 2テラバイト). Abbreviated TB in writing.

Common collocations

Related units

  • ギガバイト: gigabyte (GB) — 1/1000 of a terabyte
  • ペタバイト: petabyte (PB) — 1000 terabytes