A good point. I suspect many people don't realize just how little bandwidth is consumed when streaming video. 1080p Hi-Def uses about 5 megabits per second of bandwidth. While 4k (2160p) consumes about 20 megabits per second of bandwidth, there is not a lot of material out there. We currently have 200 megabits per second nominal download service (QuantumFiber) only because it was lower cost than our previous 80 megabits per second service. Prior to that, we had 10 megabits per second nominal download and had no issues streaming two 1080p sources to two TVs at the same time via Wi-Fi (centrally located router). Unless you are regularly moving around large files (say 50 gigabytes or more), nominal download bandwidths of hundreds of megabits per second will probably be indistinguishable from lower bandwidths, say less than 100 megabits per second (perhaps webpages with substantial amounts of graphics load slightly faster). I could upgrade to QuantumFiber's 1 gigabit per second nominal download service but it would not provide any additional functionality (I'm retired and don't move around big tar balls anymore) but would more than double my cost.
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Originally Posted by Bill14564
Whoever told you that 400 will serve up to eight devices probably meant that it would serve eight devices simultaneously streaming. I personally believe that number is low but I don't have eight streaming devices to test it. I have two dozen devices connected to my 75Mbps service with no problem at all (only a few are streaming devices).
You can get speed readings by connecting to speedtest.net or speedtest.xfinity.com.
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