Cox high-speed Internet provides maximum downloads speeds of 100 megabits per second (Mbps) and maximum upload speeds of 20 Mbps as part of the Ultimate service package. In service areas where the Ultimate package is not available, the Premier package offers maximum download speeds of 50 Mbps and maximum upload speeds of 10 Mpbs. The Premier package is available in most Cox service areas.
Two additional Cox high-speed Internet packages are available in most service areas. The Preferred package offers maximum download speeds of 25 Mbps and maximum upload speeds of 5 Mbps, while the Essential package offers maximum download speeds of 5 Mbps and maximum upload speed of 1 Mbps.
Most Internet service providers in the United States, including Cox, measure Internet speeds in terms of Mbps. One megabit per second is the equivalent of 1 million bits per second.