How fast does my internet speed need to be for streaming in Ultra HD? We recommend an internet connection speed of at least 25 megabits per second to stream Ultra HD content. Related articles What’s the minimum connection requirement to stream Eurosport? Can I stream Eurosport in Ultra HD? What are the Internet browsers supported by Eurosport? What are the devices supported by Eurosport and Eurosport Player? What smart TVs are supported to stream Ultra HD on Eurosport?