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Fastest data transmission over standard optical fiber

The current fastest data transmission over standard optical fiber record is 430 Tbps, held by Aston University and NICT, set on September 1, 2025.

430

Tbps

Aston University and NICT

UK / Japan, 2025

Holder: Aston University and NICT
Record: 430 Tbps
Exact figure: 430 Tbps (430,000 Gbps)
Location: UK / Japan
Date set: September 1, 2025
Recognized by: NICT

Sources

techradar.com World internet speed record of gbps achieved using bog standard optic fibre cables fast enough to download battlefield in one millisecond new tech set to be critical in research for wireless 7g

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