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| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
The gigabyte per second is a multiple of the unit bit for Data Transfer Rate. The prefix giga (symbol G) is defined in the International System of Units (SI) as a multiplier of 1.0 × 109 (1 billion, short scale), and therefore 1 gigabyte per second = 1.0 × 109 byte per second = 1000000000 byte per second. The gigabyte per second has the unit symbol GB/s.
The gibibyte per second is a multiple of the unit bit for Data Transfer Rate. The prefix gibi (symbol Gi) is defined in the International System of Units (SI) as a multiplier of 8 × 230, and therefore 1 gibibyte per second = 8 × 230 byte per second = 1073741824 byte per second. The gibibyte per second has the unit symbol GiB/s.