X265 ((link)) - Sonarr

Some release groups label 720p-to-1080p upscaled x265 files as "1080p x265." Sonarr will treat this as true 1080p, potentially replacing a legitimate 1080p x264 file with an inferior upscale.

Optimizing Your Media Library with Sonarr and x265 (HEVC) In the world of automated home media servers, storage management is often a constant battle. The "sonarr x265" workflow has become a gold standard for enthusiasts who want to maintain high-quality video while drastically reducing the footprint on their hard drives. Why Choose x265 for Sonarr?

Current limitations include:

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Sonarr v3+ supports Custom Formats with regular expressions. Create two formats: sonarr x265

: Ensure you're running the latest version of Sonarr. Updates often include improvements and additional features that can make your experience better.

: Ensure your download client (e.g., Transmission, Deluge) is configured to allow Sonarr to manage downloads and that it supports saving files in the x265 format. Some release groups label 720p-to-1080p upscaled x265 files

: x265 files can be 40–50% smaller than x264 files of equivalent quality.

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