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). 

In Mersing, the SeaX-1 cable system lands at the Mersing Cable Landing Station owned and operated by Sacofa, with fiber backhaul connecting to two major data centers in Kuala Lumpur, i.e. AIMS DC and CSF CX2 at Cyberjaya. 

In Batam Island, fiber backhaul connects to Graha Pena and IDC at Batam Center.

In Singapore, fiber backhaul connects to Global Switch Data Center. 

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.