Proxmox vs TrueNAS vs Unraid 2026: Which Homelab OS Should You Actually Run?

By LK Wood IV · 2026-03-30 · 12 min read

Verdict. The default pick is Proxmox VE 8 for most homelabs — it’s free, the post-Broadcom community is enormous, and LXC keeps overhead microscopic on a 16 GB mini PC. Pick TrueNAS Community Edition (25.10 “Goldeye”) when storage integrity is the entire point of the box. Unraid 7 still earns a spot for mixed-drive, point-and-click users — but the 2024 license rework killed the cheap lifetime path, so the TCO math changed.

Some links here are affiliate links. If you click and buy, TechFuel HQ may earn a small commission at no extra cost to you. It does not change what gets recommended.

TL;DR for skimmers

• Proxmox VE 8.4 — free, KVM + LXC, lowest virtualization overhead, biggest 2026 community. Default recommendation.
• TrueNAS Community Edition 25.10 — ZFS-native NAS, now with experimental Linux containers. Best-in-class data integrity.
• Unraid 7.0 — paid (Starter $49 / Unleashed $109 / Lifetime $249), mixed-drive parity array, native ZFS pools, easiest UI.
• Two-box homelab beats one-box for almost anyone who can afford a second power brick.

What changed since 2024

Three shifts reshaped this comparison.

Broadcom killed the free ESXi tier in early 2024. Proxmox’s community absorbed the migrants. VE 8.4 shipped April 9, 2025 with live migration for mediated devices and SDN refinements (Proxmox Support Forum), and the Debian 13 “Trixie”-based VE 9 line is on the Proxmox roadmap.

Unraid moved off legacy Basic/Plus/Pro pricing in 2024. Lime Technology announced the new tiers in February and locked the cutover on March 27, 2024 — Starter $49 (six devices), Unleashed $109 (unlimited), Lifetime $249 (Unraid Blog; ServeTheHome). Starter and Unleashed include one year of updates with an optional $36 annual extension (Unraid Licensing FAQ). The license is still perpetual, but the old “buy Pro once at $89” math is gone.

iX Systems unified CORE and SCALE. TrueNAS 25.04 “Fangtooth” was the merge release in May 2025 (TrueNAS 25.04 docs). TrueNAS 25.10 “Goldeye” landed in late October 2025 with OpenZFS 2.3.4, NVMe-oF, and a versioned JSON-RPC API (Goldeye release; 25.10.2 update). The TrueCharts catalog was deprecated in 2024; 25.04.2 added experimental LXC-style containers and brought “classic” VMs back.

Three platforms, three philosophies (in 2026 terms)

Proxmox VE 8 — the hypervisor that happens to store data

Price: Free. Optional subscriptions from €120/yr/socket for the enterprise repo and support. Identity: Type-1 hypervisor. KVM full virtualization plus LXC system containers. Compute-first.

Proxmox is virtualization with storage bolted on. ZFS, Ceph, NFS, and LVM-thin are first-class backends, but the UI is built around guests, not pools. LXC is the underrated weapon — system containers share the host kernel, start in under a second, and a Pi-hole or Uptime Kuma instance fits in 50–100 MB of RAM without a full VM around it.

Proxmox’s documentation, forum, and tutorial supply has roughly doubled since the Broadcom news. Search a Proxmox question, get a recent answer. That alone shifts the recommendation toward Proxmox for anyone learning infrastructure on their own.

TrueNAS Community Edition — the storage engine that runs some apps

Price: Free Community Edition. Enterprise tiers exist for HA appliances. Identity: ZFS-native NAS. Storage-first. Apps and VMs are real but secondary.

TrueNAS is ZFS in a box. The UI — datasets, snapshots, scrubs, replication, dataset-level SMB and NFS permissions — assumes you live inside a ZFS pool. Post-2025 unification, there is no longer a “BSD or Linux” decision; Community Edition is the Linux product.

Goldeye’s experimental Containers feature (Linux system containers, modeled after CORE jails) and the “classic” VM manager let TrueNAS run light compute alongside storage without third-party catalogs. It is not a Proxmox replacement. It is a NAS that can also run a small fleet of containers.

Unraid 7 — the Swiss Army knife

Price: Starter $49, Unleashed $109, Lifetime $249, plus optional $36/yr update extension on the first two. Identity: Mixed-use platform. Does everything reasonably well.

Unraid 7.0.0 shipped January 9, 2025 with native ZFS pools, hybrid ZFS subpools, multi-disk ZFS fault recovery, LUKS-on-ZFS, array-free mode for SSD/NVMe-only builds, NFS 4.1/4.2, and Tailscale baked into the OS (Unraid 7.0.0 release notes; Unraid 7 launch post). Tailscale-in-OS matters more than people credit it for — remote access without a reverse proxy or VPN appliance is a real quality-of-life win.

Unraid’s signature feature is still the parity array of mixed-size drives. Toss a 4 TB and an 8 TB in; as long as parity is the largest disk, it works. ZFS won’t do that without wasting capacity. For homelabbers who accumulate drives over years, this is irreplaceable.

Side-by-side comparison

Sources: Proxmox VE 8.4 release notes; TrueNAS 25.10 Goldeye release; Unraid 7.0.0 release notes.

Five-year cost of ownership

License cost is half of TCO; power is the other half.

• Proxmox VE 8 — $0 software for the no-subscription homelab repo. Dismiss the warning at login and move on.
• TrueNAS Community Edition — $0. iX Systems monetizes via enterprise appliances; CE is the same code on the community channel.
• Unraid Starter — $49 up front, then $36 optional in years 2–5 = up to $193 over five years. Six-device cap may force an upgrade.
• Unraid Unleashed — $109 + $36 × 4 = up to $253 over five years.
• Unraid Lifetime — $249 once. Cheaper than Unleashed by year three if you keep updating (Unraid Licensing FAQ).

Power is the bigger line item for most US homelabbers. Even a 10 W idle difference adds up over 24/7 runtime.

Until that measurement lands, treat the relative ranking as: Proxmox is usually the lowest idle draw (no NAS UI overhead, headless by default), TrueNAS sits in the middle (ZFS ARC keeps RAM busy but disk spin-down works), and Unraid is the most variable (depends on mover schedule and how many disks the array spins up).

Storage layer compared

This is the section that decides which OS you pick.

Proxmox + ZFS. First-class. ZFS-on-root is a checkbox in the installer; pools land in the GUI; you can attach a pool as a guest disk, iSCSI target, or backup destination. What it does not give you is a NAS UI — share permissions, dataset ACLs, and SMB user management are manual. The clean answer is to run a TrueNAS VM and pass through the HBA. That is an architecture, not a workaround.

TrueNAS + OpenZFS 2.3.4. Goldeye ships OpenZFS 2.3.4 with rewrite-for-rebalance, block cloning improvements, and faster pool allocation (TrueNAS Goldeye 25.10.2). NVMe-oF (TCP and RDMA) is in the box. If you want to expose ZFS to a Proxmox cluster as block storage, the new versioned API was built for it.

Unraid array vs Unraid ZFS. The traditional parity array is XFS or btrfs per disk with a dedicated parity drive. Writes calculate parity in real time, which is slow — that’s the price of mixing drive sizes. Unraid 7 lets you skip the array and run pure ZFS pools, but then you’re paying Unraid prices for ZFS that Proxmox and TrueNAS give you free. The honest case for Unraid is the parity array, not the ZFS path.

Hardware reality

All three run on x86-64 with KVM-capable CPUs and require UEFI for any modern install. The differences live at the edges.

• Proxmox VE 8 is Debian 12 “Bookworm”-based, currently shipping kernel 6.8 in 8.4 (Proxmox VE 8 spec summary). It runs on essentially anything Debian runs on. The Realtek 2.5 GbE NICs that ship in cheap mini PCs are stable here.
• TrueNAS 25.10 runs on Linux kernel 6.12.33 with NVIDIA Blackwell support (Goldeye release notes). ECC RAM is recommended for ZFS but not required; iX Systems’ official line is that ECC is preferred but non-ECC ZFS is still safer than non-ECC anything-else.
• Unraid 7 runs on Linux 6.6 LTS-class kernels and historically has the broadest USB-flash-boot story — you boot from a registered USB stick, not an internal disk. That’s a feature in 2026 because it leaves every internal SATA and NVMe slot for storage.

For specific hardware to run any of these on, see the 2026 mini PC homelab roundup and the budget NAS build guide.

Where each platform wins

Proxmox wins: density and free clustering

LXC is the hidden lever. A typical stack — Pi-hole, Uptime Kuma, a Wireguard endpoint, a small Postgres, Vaultwarden — fits in five LXC containers under 1 GB of RAM combined. The same stack on Unraid is five Docker containers; on TrueNAS you’re either in the official catalog or stuffing everything into one VM. Proxmox also gives you free clustering across three or more nodes — TrueNAS HA is enterprise-tier.

TrueNAS wins: integrity, replication, and the API

Snapshot-based replication to a second TrueNAS box is one screen. Per-dataset SMB and NFS permission management, ACL templates, and self-service snapshot browsing for SMB users are all UI features. If your top priority is “the bytes I wrote five years ago are still the bytes I wrote five years ago,” nothing else competes.

Unraid wins: mixed drives and zero-friction apps

Community Applications is still the largest searchable self-hosted catalog. Install Plex, Jellyfin, Immich, Home Assistant, or Nextcloud in five clicks with no Compose file. GPU passthrough for transcoding is a checkbox. And the mixed-drive parity array has no equivalent — if your closet has 4, 6, 8, and 10 TB drives accumulated over years, Unraid is the only one that uses every one of them without buying matched sets.

Decision tree

                What is the PRIMARY job for this box?
                              │
            ┌─────────────────┼─────────────────────┐
       VMs + containers    NAS + files       One box, mixed use
            │                  │                     │
   Need LXC + free HA?   Data integrity         Comfort with CLI?
            │                top priority?           │
        ┌───┴───┐               │              ┌─────┴─────┐
       Yes      No        ┌─────┴─────┐       Yes          No
        │       │        Yes         Mixed     │            │
   PROXMOX    Proxmox    │            drives?  Proxmox    UNRAID
    VE 8     or Unraid  TRUENAS       │       + TrueNAS    7.0
                          CE 25.10  UNRAID     VM
                                     7.0

Tiebreakers, in this order:

1. Mixed drive sizes already in hand? → Unraid wins.
2. Building a career on this skillset? → Proxmox wins; it’s the closest free analogue to enterprise hypervisor work.
3. ZFS replication to a second site is the whole point? → TrueNAS wins.
4. Zero-friction app installs matter more than license cost? → Unraid wins.
5. None of the above strongly applies? → Proxmox.

When to pick each

Pick Proxmox VE 8 if VMs and containers are your primary workload; you want skills that transfer to enterprise jobs; you’re comfortable in a Linux shell; you want minimal overhead on a 16 GB mini PC. The Proxmox mini PC setup guide is the fastest path in.

Pick TrueNAS Community Edition if storage is the primary job and apps are a bonus; you want ZFS replication offsite without scripting; you’re building a dedicated NAS; you may expose storage to a Proxmox cluster via the new API.

Pick Unraid 7 if you want one closet box that does NAS + media + Docker + occasional Windows VM; you have mixed-size drives; you want point-and-click apps without YAML; you’d rather pay $49–$249 once than learn another Linux. The self-hosted apps roundup covers day-one installs.

The two-box answer most homelabbers reach

The honest 2026 architecture is two boxes: a Proxmox compute node and a separate TrueNAS storage node, NFS or iSCSI between them over a budget 10 GbE link. Each machine does its job. If your gaming PC sits idle, the repurpose-as-Proxmox-server walkthrough makes the compute node free.

For a single-box homelab on a strict budget: Proxmox. For a single box where the operator doesn’t want to maintain Linux: Unraid earns its license fee. For a single box where storage is the entire reason the box exists: TrueNAS CE. Forcing one platform into all three roles is how you end up rebuilding six months in.

The Proxmox vs ESXi comparison covers why most ex-VMware shops landed on Proxmox after 2024.

FAQ

Is Proxmox really free for homelab use?

Yes. The community repository is free with no license key, no node count, and no time limit. The optional paid subscriptions (from €120 per year per CPU socket) get you the enterprise repository and email support, but the no-subscription repo gets identical features. Dismiss the login banner and move on.

Did Unraid kill the lifetime license?

No, but it changed the math. Lifetime is now $249 (it was effectively $89 for the legacy Pro key before March 27, 2024), and the new Starter and Unleashed tiers are perpetual licenses with optional $36/year update extensions, not subscriptions. Old Basic, Plus, and Pro keys still get lifetime updates.

Is TrueNAS SCALE the same as TrueNAS Community Edition?

Functionally yes. iX Systems unified TrueNAS CORE (FreeBSD) and SCALE (Linux) into a single Linux-based product starting with TrueNAS 25.04 “Fangtooth” in May 2025. Community Edition is the free tier of that unified product. The “SCALE” name is being phased out in favor of “Community Edition” versus “Enterprise.”

Can I run Docker containers on TrueNAS in 2026?

Yes, through the official Apps catalog or by deploying custom YAML through the Apps UI. The TrueCharts community catalog was deprecated in 2024, so the plug-and-play library is smaller than Unraid’s Community Apps. For a primary Docker host, Unraid or a Proxmox LXC running Docker is still the smoother choice.

Does Unraid 7 finally do ZFS properly?

Yes. Unraid 7.0 added native ZFS pools, hybrid ZFS subpools, multi-drive fault recovery, and LUKS-on-ZFS encryption (Unraid 7.0.0 release notes). It is not as mature as TrueNAS’s decade of ZFS work, but for a single-server use case it is more than enough. The catch is that ZFS pools don’t mix drive sizes, which is the whole reason most people pick Unraid.

Can I run all three on one machine to compare them?

Not concurrently, but yes serially via separate boot drives or a hypervisor. The cleanest comparison is to install Proxmox on the metal, then run TrueNAS CE and Unraid as VMs with disks passed through. You lose Unraid’s USB-boot model that way, but it is the fastest path to evaluating all three on the same hardware.