The Roku 4 perhaps is the best way to get the most 4K video today with powerful streaming, stunning resolution and incredible features. It has more 4K-capable apps than other devices and makes 4K TV shows and movies easy to find. However, 4K content is still scarce, new 4K movies are expensive. Anyway, Roku 4 also offers USB port for personal media expansion. Users can enjoy their media files in MP4 (H.264), MKV (H.264), HEVC (H.265). The Roku 4 can even support 4K UHD 60 fps HEVC Playback via USB.