The market for streaming boxes is pretty crowded. You’ve got the Roku, Apple TV, Amazon Fire TV, Google Chromecast just to name a few. The market for 4k streaming boxes is even getting pretty crowded lately. So is there still room for one more? Nvidia would like to think so. And we love everybody, so we were willing to give yet another set top streamer a chance. This one is called the Nvidia Shield 4k.