The South Atlantic Express (SAEx1) is a 72 Tbit/s submarine cable system connecting South Africa directly to the US, linking Cape Town in South Africa, Fortaleza in Brazil and Virginia Beach, Virginia in the US, with branches to Namibia and Saint Helena.

The SAEx1 cable system is building by SAEx International Ltd, based in Mauritius with a subsidiary company (SAEx SA (Pty) Ltd) in South Africa, is building the South Atlantic Express (SAEx) cable. The company is also planning the  South Asia Express (SAEx2) , to form a unique 25000km submarine cable connecting Asia, Africa, South America and North America.