SDI - SERIAL DIGITAL INTERFACE
https://en.wikipedia.org/wiki/Serial_digital_interface

SD-SDI : SMPTE 259M-C 270 Mb/s 720X576 25p 4:2:2 (13,5:6,75:6,75)MHz
(864x625x25x10x1)+(864x625x25x10x0.5)+(864x625x25x10x0.5) = 270 Mbit/s BRUT
(576x720x25x10x1)+(576x720x25x10x0.5)+(576x720x25x10x0.5) = 207 Mbit/s NET

HD-SDI : SMPTE 292M 1.485 Gb/s 1920x1080 25p 4:2:2 (74,25:37,125:37,125)MHz
(2640x1125x25x10x1)+(2640x1125x25x10x0.5)+(2640x1125x25x10x0.5) = 1,485 Gb/s BRUT
(1920x1080x25x10x1)+(1920x1080x25x10x0.5)+(1920x1080x25x10x0.5) = 1,037 Gb/s NET

3G-SDI : SMPTE 424M 2.970 Gb/s 1920x1080 50p 4:2:2 (74,25:37,125:37,125)MHz
(2640x1125x50x10x1)+(2640x1125x50x10x0.5)+(2640x1125x50x10x0.5) = 2,970 Gb/s BRUT
(1920x1080x50x10x1)+(1920x1080x50x10x0.5)+(1920x1080x50x10x0.5) = 2,074 Gb/s NET

6G-SDI : SMPTE ST 2081 5,940 Gb/s 3840x2160 25p 4:2:2 (148,5:74,25:74,25)MHz
(5280x2250x25x10x1)+(5280x2250x25x10x0.5)+(5280x2250x25x10x0.5) = 5,940 Gb/s BRUT
(3840x2160x25x10x1)+(3840x2160x25x10x0.5)+(3840x2160x25x10x0.5) = 4,147 Gb/s NET

12G-SDI : SMPTE ST 2082 11,880 Gb/s 3840x2160 50p 4:2:2 (148,5:74,25:74,25)MHz
(5280x2250x50x10x1)+(5280x2250x50x10x0.5)+(5280x2250x50x10x0.5) = 11,880 Gb/s BRUT
(3840x2160x50x10x1)+(3840x2160x50x10x0.5)+(3840x2160x50x10x0.5) = 8,294 Gb/s NET

24G-SDI : SMPTE ST 2083 23,760 Gb/s 7680x4320 25p 4:2:2 (297:148,5:148,5)MHz
(10560x4500x25x10x1)+(10560x4500x25x10x0.5)+(10560x4500x25x10x0.5) = 23,760 Gb/s BRUT
(7680x4320x25x10x1)+(7680x4320x25x10x0.5)+(7680x4320x25x10x0.5) = 16,588 Gb/s NET