According to Netflix CEO Reed Hastings, it won't require more than a stable 15 Mbps to stream 4K.
Even ISO's at 25MBps are done in next to no time. Instead of pumping up the volume so to speak, it would be far more consumer friendly (and valuable) to reduce the price of the connection dramatically. Of course, that will never happen as a) there is no competition and b) profits! The price of broad band is especially gualing giving how much fiber was scooped up for next to nothing during the dot.bomb