In addition to storage efficiency, preferring x265 can also enhance streaming performance. With smaller file sizes, streaming requires less bandwidth to maintain high-quality video. This is especially beneficial for users with slower internet connections who might struggle to stream high-definition content using less efficient codecs. Furthermore, for those who share their media collections with friends or family over the internet, x265 files require less bandwidth, making sharing and streaming smoother and more efficient.
Sonarr does not have a simple "prefer x265" checkbox. Instead, you achieve this by using (in Sonarr v3) or Custom Formats (in Sonarr v4). Method 1: Using Custom Formats (Sonarr v4)
: Ultra-HD content natively relies on HEVC encoding.
Older streaming devices (like old smart TVs or budget streaming sticks) cannot decode x265 hardware-side.
: For the same bitrate, x265 generally provides a better quality picture than x264. This improvement in quality makes for a more enjoyable viewing experience, especially on high-definition displays. sonarr prefer x265
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To help fine-tune your media library automation, tell me: Are you running ? What streaming devices (like Apple TV, Roku, or Fire Stick) do you use to watch your content? Share public link
: High-definition x265 files are typically 40% to 60% smaller than their x264 counterparts. In addition to storage efficiency, preferring x265 can
Navigate to > Custom Formats in your Sonarr dashboard. Click the plus ( + ) icon to create a new custom format.
is the single most effective way to cut your storage usage in half without sacrificing visual quality.
What (Plex, Jellyfin, etc.) and playback devices do you use? Share public link
This guide will walk you through setting up custom formats and quality profiles to ensure your library shifts toward the x265 standard. Why Prefer x265? Furthermore, for those who share their media collections
Paste the following Regular Expression (RegEx) into the text box: \b([hx].?265|hevc)\b Use code with caution. Click . Step 2: Update Your Quality Profiles Navigate to Settings > Profiles .
: The resolution and source bracket (e.g., Bluray-1080p vs. WEBDL-1080p).
Sonarr, also known as NZBdrone, is a web-based application that offers an efficient way to manage and download TV shows. It automatically searches for new episodes, checks for their availability, and initiates downloads through services like Usenet or BitTorrent. The versatility and automation features of Sonarr make it a favorite among cord-cutters and media enthusiasts who wish to keep their media libraries up to date with minimal manual intervention.
Sonarr does not re-download existing files just because a better codec exists. You must use the "Interactive Search" tab and manually select an x265 release, or change your profile to lower the score of your existing x264 files.