Unraid vs TrueNAS vs Proxmox for Jellyfin 2026: Which NAS/Hypervisor OS Should You Choose?

Unraid vs TrueNAS vs Proxmox for Jellyfin 2026: Which OS Should You Choose?

You have the hardware. Now you need an operating system to run Jellyfin and your media stack. Three platforms dominate the homelab space in 2026, each with a fundamentally different philosophy:

• Unraid - flexibility-first NAS OS with Docker and VMs
• TrueNAS SCALE - ZFS-powered NAS with native Docker (since Electric Eel v25)
• Proxmox VE - bare-metal hypervisor with LXC containers and VMs

All three run Jellyfin excellently. The difference is in everything around it: storage management, GPU passthrough, backup strategy, and operational complexity.

Quick Decision Guide

Platform Overview

Unraid: The Flexible Choice

Why Unraid for Jellyfin

Unraid is the most popular homelab OS for media servers because of its unique storage architecture: you can mix drives of different sizes in one array with parity protection. Add a 4TB drive today, an 8TB drive next month, a 12TB drive next year. No need for matching drives.

Jellyfin on Unraid

1. Go to Apps (Community Applications)
2. Search "Jellyfin"
3. Click Install
4. Configure paths and GPU passthrough
5. Done

The Community Applications plugin provides pre-configured Docker templates for Jellyfin and every tool in the media stack. Setup takes minutes, not hours.

GPU Passthrough on Unraid

For Intel QSV:

Extra Parameters: --device=/dev/dri:/dev/dri

For NVIDIA: Install the NVIDIA Driver plugin from Community Applications, then select the GPU in the container template.

Unraid Strengths

• Mixed drive sizes - no need to buy matching drives
• Community Applications - one-click install for 2000+ Docker containers
• Cache pool - SSD cache for fast writes, mover transfers to array overnight
• Parity protection - survive 1-2 drive failures
• User-friendly - the easiest platform for non-Linux users
• VM support - run Windows VMs alongside Docker containers

Unraid Weaknesses

• Paid license ($59-$129)
• No ZFS - XFS + FUSE array is slower than ZFS for random I/O
• Parity rebuild is slow - days for large drives
• Array speed - limited by single-drive write speed (cache mitigates this)
• No instant snapshots - unlike ZFS

TrueNAS SCALE (Electric Eel v25): The ZFS Powerhouse

Why TrueNAS for Jellyfin

TrueNAS SCALE v25 (Electric Eel) replaced the old Kubernetes app system with native Docker Compose. This was a game-changer. You now get the data integrity of ZFS with the simplicity of Docker Compose, all for free.

Jellyfin on TrueNAS SCALE v25

1. Go to Apps > Discover Apps
2. Search "Jellyfin"
3. Click Install
4. Configure storage datasets and GPU
5. Done

Or use a custom Docker Compose file for full control.

GPU Passthrough on TrueNAS

For Intel: Check the GPU checkbox in the app configuration under Resources.

For NVIDIA: System Settings > Advanced > select GPU, then assign to the app.

TrueNAS Strengths

• ZFS - best filesystem for data integrity (checksums, self-healing, instant snapshots)
• Free - no license cost, ever
• ZFS snapshots - instant, atomic backups of your Jellyfin config
• Docker Compose native (since v25) - familiar workflow
• Excellent for NAS duties - SMB/NFS sharing alongside Jellyfin
• Replication - send ZFS snapshots to a remote server for off-site backup

TrueNAS Weaknesses

• Matched drives required - ZFS pools work best with identical drives
• RAM hungry - ZFS ARC cache wants lots of RAM (1GB per TB of storage is the old rule)
• Less flexible storage - cannot easily add a single drive to an existing pool
• TrueCharts dead - the old Kubernetes app ecosystem is gone (Docker Compose replaces it)
• Learning curve - ZFS concepts (vdevs, pools, datasets) take time to understand

Proxmox VE: The Hypervisor

Why Proxmox for Jellyfin

Proxmox is not a NAS OS. It is a bare-metal hypervisor that runs virtual machines and LXC containers. You run Jellyfin inside an LXC container (near-zero overhead) or a full VM (complete isolation).

Proxmox is the choice when you want maximum flexibility: run Jellyfin in an LXC, a Windows VM for gaming, a pfSense VM for routing, and a Home Assistant VM, all on one machine.

Jellyfin on Proxmox

Option A: LXC Container (recommended)

1. Create an Ubuntu/Debian LXC
2. Map /dev/dri for GPU passthrough
3. Install Jellyfin via Docker inside the LXC
4. Near-zero overhead

Option B: VM with PCI Passthrough

1. Create an Ubuntu VM
2. Pass through the GPU via PCI passthrough
3. Install Docker and Jellyfin
4. Full isolation but more overhead

GPU Passthrough on Proxmox

For Intel in LXC (simplest):

# /etc/pve/lxc/100.conf
lxc.cgroup2.devices.allow: c 226:0 rwm
lxc.cgroup2.devices.allow: c 226:128 rwm
lxc.mount.entry: /dev/dri dev/dri none bind,optional,create=dir

For NVIDIA in VM: Enable IOMMU, blacklist host drivers, pass through via PCI.

Proxmox Strengths

• Free - no license cost (subscription optional for enterprise repo)
• Maximum flexibility - LXC, VMs, Docker, anything
• ZFS support - can use ZFS as the storage backend
• Snapshots - LXC and VM snapshots for instant rollback
• Clustering - multiple Proxmox nodes with live migration
• Enterprise features - HA, replication, backup (all free)
• Isolation - each service in its own container/VM

Proxmox Weaknesses

• Not a NAS - no built-in SMB/NFS sharing UI (must configure manually)
• Higher learning curve - LXC configuration, networking, storage concepts
• GPU passthrough complexity - more steps than Unraid or TrueNAS
• No app store - you build everything yourself (or use community scripts)
• Overkill for simple setups - if you just want Jellyfin + NAS, Unraid or TrueNAS is simpler

Storage Architecture Comparison

Jellyfin Performance Comparison

All three platforms deliver identical Jellyfin performance for playback and transcoding. The difference is in metadata/library operations where ZFS ARC caching gives TrueNAS an edge.

Cost Comparison (5-Year TCO)

The cost difference is minimal. Choose based on features, not price.

Migration Paths

FAQ

Which is best for a beginner? Unraid. The Community Applications ecosystem and user-friendly UI make it the easiest to get started.

Which is best for data safety? TrueNAS SCALE. ZFS checksums detect and correct silent data corruption that other filesystems miss entirely.

Which is most flexible? Proxmox. You can run literally anything: LXC containers, full VMs (Windows, Linux, BSD), Docker, and even nested virtualization.

Can I switch later? Yes, but it requires planning. Your media files are just files on a drive. The OS and container configs need rebuilding.

Which has the best Jellyfin experience? All three are identical for Jellyfin itself. The difference is in the surrounding ecosystem (storage, backups, other services).

Whichever OS you choose, monitor your Jellyfin server from your phone. Download JellyWatch on Google Play - works with Jellyfin on Unraid, TrueNAS, Proxmox, or any platform.

On Emby? Download EmbyWatch on Google Play