SEA Cable Exchange-1 (SeaX-1) comprises a 250km high-speed, large capacity, 24-fibre pair undersea fiber optic cable that connects Mersing (Malaysia), Changi (Singapore), and Batam (Indonesia). 

The SeaX-1 cable system is fully owned and operated by Super Sea Cable Networks Pte. Ltd..

The SeaX-1 cable system was ready for service in June 2018.