giga (G) (as a prefix to units of semiconductor storage capacity)

A multiplier equal to 1 073 741 824 (230 or K3, where K = 1024).

NOTE 1 Contrast with the SI prefix giga (G) equal to 109, as in a 1‑Gb/s data transfer rate, which is equal to 1 000 000 000 bits per second.

NOTE 2 See note 2 to "mega (M)".

References: 

JESD100-B, 12/99