3.2 Petabits per second real-time optical fiber transfer speed world record claimed by Chinese team, equivalent to downloading more than 20,000 4K movies in one second — speed improvement of 30% in one year https://www.tomshardware.com/networking/3-2-pb-s-real-time-optical-fiber-transfer-speed-world-record-claimed-by-chinese-team-speed-fast-enough-to-download-more-than-20-000-4k-movies-in-one-second