SxS Cable System (SxS) is a 10,500-kilometer undersea fiber optic cable system directly connecting Guam and California, with an initial design capacity of more than 96 Tbps.

SxS cable system is privately invested by RTI Connectitivty (RTI-C). SxS will seamlessly interconnect with HK-G, JGA North, JGA South and SEA-US cable systems in a new purpose-built, RTI-owned facility in Guam.