The article discusses whether 45 Mbps is enough to stream 4K sports live. It explains that 45 Mbps is the average speed for a good quality 4K streaming experience. It also states that for a smooth streaming experience, a connection of at least 25 Mbps is recommended. Additionally, the article highlights that a connection of 45 Mbps is more than sufficient to stream 4K sports live without any buffering issues. Finally, it recommends that for a 4K streaming experience, a connection of at least 100 Mbps is ideal. In conclusion, 45 Mbps is enough to stream 4K sports live, but a higher speed connection is recommended for a smooth streaming experience.