PR4100 can perfectly stream the 4k UHD x265 hevc directly, but it can’t transcode it to x264.
I’m using a cheap s905x based box with libreelec (kodi) and I need to use NFS system mounts to allow full bandwidth streaming. The performance of the in-app NFS mount is not sufficient.
For your usecase, you may need to comply within these specs:
For more info, look in support forums of the rendering device (e.g. apple tv). The PR4100 media server is not the root cause of the problem.