Mediacom Download Speeds. That said, a higher download speed, such as 4 megabytes per second, would likely cover Mediacom does not provide the test or its results and takes no responsibility for its accuracy. A good download speed varies by activity and desired quality, so there isn’t just one speed that meets all needs. Internet 100 plan, and its 100 mbps speeds are still plenty for houses that only . Although the average speeds provided by directv are As of january 2022, the national average download speed for mediacom is 170.92 mbps. It has gigabit download speed available to more than 97% of serviceable addresses in the company's coverage map, as per the federal .