![Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics](https://m.media-amazon.com/images/I/41x0-jkGOsL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics
![Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics](https://m.media-amazon.com/images/I/61EN0gLQ+jL._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: Roku Ultra | 4K/HDR/HD Streaming Player with Enhanced Remote (Voice, Remote Finder, Headphone Jack, TV Power and Volume), Ethernet, Micro SD and USB (2017) : Electronics
For streaming over Plex, what is the best file format to obtain the clearest, sharpest picture and the smallest file size in .mp4, .m4v or .avi or .mkv? I notice .mkv files
![Dealing With Video Starts and Stops While Watching: Two Common Causes and Three Possible Solutions - Ask Leo! Dealing With Video Starts and Stops While Watching: Two Common Causes and Three Possible Solutions - Ask Leo!](https://askleo.com/wp-content/uploads/2020/04/buffering.jpg)
Dealing With Video Starts and Stops While Watching: Two Common Causes and Three Possible Solutions - Ask Leo!
![Amazon.com: Sony X91J 85 Inch TV: Full Array LED 4K Ultra HD Smart Google TV Z9F 3.1ch Sound bar with Dolby Atmos and Wireless Subwoofer Amazon.com: Sony X91J 85 Inch TV: Full Array LED 4K Ultra HD Smart Google TV Z9F 3.1ch Sound bar with Dolby Atmos and Wireless Subwoofer](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81QZ-Lciu5L.jpg)