Suddenlink has begun offering two new DOCSIS-3.0-based high-speed Internet tiers in and around Dallas: MAX 50.0 (50 Mbps downstream) and High Speed Internet 20.0 (20 Mbps downstream).MAX 50.0 is now available in Terrell, Forney, Balch Springs, Seagoville, Heath, Rockwall, Royse City, Talty, Fate and McClendon-Chisholm. High Speed Internet 20.0 is available in Collin and Denton county area communities, including Anna, Aubrey, Celina, Krum, Krugerville, Little Elm, Melissa, Oak Point, Pilot Point, Prosper and Sanger. Suddenlink also offers Internet services with speeds of up to 1.5, 10 and 15 Mbps.The new D3 services are part of the company's nationwide capital investment program, calling for approximately $350 million over three years. That program already has delivered VOD service and more HD channels to the area.