Matrix Cable System (MCS) is a carrier neutral international fiber optic submarine cable that serves Singapore - Jakarta with high speed, high capacity and non-stop quality links. The MCS cable spans approximately 1055km from Singapore to Jakarta, with maximum design capacity of 2.56Tbps.  The MCS Offers PoP-to-PoP Connectivity between Singapore and Indonesia. The MCS was Ready for Provisional Acceptance (RFPA) on August 7, 2008.

The MCS cable system is privately owned and operate by PT NAP Info Lintas Nusa (Matrix, or Matrix NAP Info), a prominent telecommunication company based in Jakarta, Indonesia, founded in 2000. Matrix operates  Matrix Cable System (MCS), Matrix Cable Internet Exchange (MC-IX) Matrix Data Center, Matrix Cloud, Matrix Internet and Matrix Nap.

Matrix NAP Info network presents in several data center locations such as Biznet Midplaza Jakarta, Biznet Technovillage, Lintasarta Data Center, Telkomsigma Serpong & Sentul, Omadata Surabaya, DCI Indonesia located in Cibitung, Bekasi and EDGE Data Center located in Mampang Prapatan, South Jakarta, etc.

Matrix NAP Info together with PT Communication Cable Systems Indonesia Tbk. (CCSI) is constructing a 3,400km Varuna Cable System (VCS) connecting Indonesia's islands, including Java, Bali, Lombok, Sumbawa, Labuan Bajo, Sulawesi, Kalimantan, Bawean and Madura island.