319 terabits – great Scott! Boffins in Japan speed along information superhighway at new world record

System compatible with existing infra. No you can't eat it now, kids, it's for later, for upcoming 5G backbone

Japanese researchers have broken the world record for the fastest internet speed by transmitting data at 319 terabits per second (Tbps) using modern day compatible fibre optical cable, according to the country's primary comms research institute.…

from The Register