You should have no issue with Roku and wi-fi. We’re getting approx 24mbs via wi-fi and have no issue streaming movie from Netflix, Amazon, HBO or any other. Have been able to even get 4K resolution on the content broadcast at that resolution. At times we do have a delay of a couple of seconds as program loads but no longer than when switching cable channels.Looks like I'm going to have to purchase a Roku device and subscribe to one of the streaming services in order to get the ACC network this basketball season. A friend of mine who has one says Roku won't work with wi-fi so he uses a wired ethernet connection. That won't be possible for me, so am I just out of luck?