Sonarr Prefer X265 Exclusive Info
By implementing this "Prefer but not Mandatory" strategy, your Sonarr instance will slowly, intelligently, and automatically upgrade your library to x265. Your hard drives will thank you, your electricity bill will drop (less spinning rust), and your users will never notice the difference—unless they try to watch on a 2014 Smart TV, in which case, tell them to buy a Fire Stick.
Custom Formats allow you to assign scores to specific release attributes. Sonarr evaluates these scores to select the best available release. 1. Create the x265 Custom Format
Because x265 files are highly sought after for space savings, some uploaders take low-quality, highly compressed x264 files and re-encode them into x265. This results in terrible video quality. sonarr prefer x265
Which (v3 or v4) are you currently running?
Sonarr v3/v4 lets you set with “must contain” or “prefer” keywords. Adding x265 or hevc to the “prefer” list tells Sonarr to give higher scores to x265 releases, but still download x264 if no x265 exists. By implementing this "Prefer but not Mandatory" strategy,
Also set in Sonarr:
: If you apply these rules to existing series, Sonarr will begin actively replacing your current x264 library with x265 versions, causing a temporary surge in network and disk activity. Sonarr evaluates these scores to select the best
You can store almost twice as many episodes for the same disk space.
Beyond codec preferences, your overall file size goals can be influenced by adjusting Sonarr's quality definitions. Found at , these definitions control the acceptable file size ranges for each quality type (WEBDL-1080p, Bluray-1080p, etc.).