gigabytes per second define
The gibibyte per second (GiB/s) is a unit of data transfer rate equal to: 1  1,073,741,824 bytes per second. 2  1,048,576 kibibytes per second. 3  1,024 mebibytes per second. 4  8 gibibits per second.he tebibyte per second (TiB/s) is a unit of data transfer rate equal to: 1  1,099,511,627,776 bytes per second. 2  1,073,741,824 kibibytes per second. 3  1,048,576 mebibytes per second. 4  1,024 gibibytes per second.