How does DS720+/DS920+ perform with 4K Transcoding in PLEX It transcoded all these files with no hiccups. Remotely from PMS [150Mbit broadband] to the destination - 4K HDR TV [60Mbit broadband]. 4K file - 2160p.4K.WEB.x265.10bit.AAC5.1.mkv 2:22 6.38 GB 3824 x 1600 hevc aa