Well a 1080p stream at 30 fps would be 1,5 Gbit/s -- a little outside the spec of most people's internet tubes. And 4K UHD at 30 fps would be around 5 or 6 giga

Well a 1080p stream at 30 fps would be 1,5 Gbit/s -- a little outside the spec of most people's internet tubes. And 4K UHD at 30 fps would be around 5 or 6 gigabit. It helps to capture the Netflix stream uncompressed to remove the extra compression step you'd otherwise get at capture time, and modern encoders are pretty good, I don't think most people would notice on a laptop screen. On a 40+ inch 4K TV though, it can be quite noticeable