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UCL Sets Record: 450 Terabits Per Second Internet Speed

3/31/2026

Summary

Story summary

Researchers at University College London (UCL) set a new record by transmitting 450 terabits per second over existing fibre cables.
The speed could enable upgrades to internet infrastructure without laying new cables, benefiting AI infrastructure that generates vast amounts of data.
The achievement used custom-designed hardware that employed a wide spectrum of frequencies to boost data transfer.
Experts say a commercial rollout could occur within five years.

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Story summary

Researchers at University College London (UCL) set a new record by transmitting 450 terabits per second over existing fibre cables.
The speed could enable upgrades to internet infrastructure without laying new cables, benefiting AI infrastructure that generates vast amounts of data.
The achievement used custom-designed hardware that employed a wide spectrum of frequencies to boost data transfer.
Experts say a commercial rollout could occur within five years.