Gigabits per second - or one billion bits per second. 8 Gbps means that 8 billion bits are transferred each second. Using an 8 Gbps connection, it would take 1 second to transfer a 1 GB (Gigabyte) file - a compressed 90 min movie, for instance. 1 Kbps (Kilobits) < 1 Mbps (Megabits) < 1 Gbps