Chepest Synology 2 Bay NAS for Plex transcode?

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If you are streaming 1080p (FHD) videos then 220+/720+ would be the cheapest options. If you would use the DS Video app instead of Plex then you could even transcode 4K.Either way, you can also use Qnap TS-251D /253D with a built-in automated offline transcoding option. This would avoid the necessary poser for on-demand transcoding.I hope this helps.