gigabyte

Noun

gigabyte (plural gigabytes)

1. (formal) One billion (10⁹, or 1,000,000,000) bytes or 1,000 megabytes.
   • The IBM 3380 Direct Access Storage is a disk storage device with a storage capacity of 2.5 gigabytes (billion bytes) per unit, an increase of almost four times the capacity of the IBM 3350 Direct Access Storage.1981, IBM 3380 Direct Access Storage Description and User's Guide, IBM, page 1
   • It does not take much effort these days to accumulate several hundred gigabytes of data. A few hundred songs, a couple of vacations’ worth of photos, a dozen movies and television programs — and suddenly the 80 gigabyte hard drive in the notebook computer is straining.2007 August 2, larry Magid, “On a Home Network, the Right Drive Means Storage for All”, in The New York Times, →ISSN, archived from the original on 09 Nov 2020
2. (informal) A gibibyte.