Unraid charges a one-time licence fee of $59-129 USD, and that cost is the first real friction point for Australian homelab builders. After currency conversion and the international transaction fee most Australian banks charge, the Basic licence lands around $95 AUD, the Plus around $145 AUD, and the Pro around $210 AUD. TrueNAS Scale and Proxmox are both free and open source. So the question is: what does Unraid give you that justifies the cost?
In short: Unraid is worth paying for if you want to mix drive sizes freely, need simple Docker and VM management, or want a NAS-first OS with a strong community. If you have a uniform drive array and need maximum ZFS data integrity, TrueNAS Scale is the better free choice. If you want a full hypervisor with NAS storage layered in, Proxmox beats both at no cost.
What Unraid Licences Actually Cost
Unraid sells three licence tiers, all one-time purchases with no subscription renewal:
- Basic: $59 USD, supports up to 6 drives in the array
- Plus: $89 USD, supports up to 12 drives
- Pro: $129 USD, unlimited drives
These are permanent licences tied to a USB flash drive. If that USB fails, the licence can be transferred to a new drive via the Unraid community key transfer process. Upgrades between tiers are available at the price difference.
The drive limit refers to the parity and data drives in the main array, not total attached storage. Cache drives, pools, and unassigned devices do not count toward the limit.
The Real AUD Cost After Currency and Fees
Unraid is priced in USD and processed through a US payment gateway. Australian buyers face two additional costs: the AUD/USD exchange rate and international transaction fees.
At a USD/AUD rate of approximately 0.63 (mid-2026), and a typical 2-3% international transaction fee from Australian banks:
- Basic ($59 USD): approximately $95-100 AUD all-in
- Plus ($89 USD): approximately $143-150 AUD all-in
- Pro ($129 USD): approximately $207-215 AUD all-in
Using a Wise or Revolut card eliminates the transaction fee and locks in mid-market exchange rates, saving $3-6 AUD per transaction. Not a large saving, but worth noting for the Pro tier.
There is no GST invoicing available from Unraid Inc. Australian businesses purchasing for a home office or small business cannot claim input tax credits on this purchase.
What Unraid Gives You That Free OS Options Do Not
The core Unraid value proposition is drive flexibility. Unlike RAID-based systems and ZFS, Unraid uses a parity drive model that lets you mix different drive sizes in the same array. You can add a 4TB drive, a 6TB drive, and an 8TB drive and they all work together. With TrueNAS or any ZFS pool, drives in a vdev must match or you waste capacity.
For homelab builders who grow incrementally, buying drives of opportunity rather than matched sets, this flexibility is genuinely valuable. You are not locked into purchasing three or four identical drives at once.
Beyond drive flexibility, Unraid offers:
- Docker via the Community Applications (CA) plugin: A polished one-click container installer with pre-configured templates for Plex, Jellyfin, Nextcloud, Home Assistant, and hundreds of other applications. Easier for non-Linux users than TrueNAS Scale's Apps interface.
- VM management via KVM/QEMU: Built into the GUI. Pass through GPUs, USB devices, and storage directly to virtual machines.
- Cache pools: SSD pools that sit separately from the array, used to buffer writes and stage data before it moves to spinning drives overnight.
- Array spin-down: Data drives spin down independently when not in use, saving power and reducing noise in a home environment.
TrueNAS Scale: The Free Alternative Worth Considering
TrueNAS Scale is free, open source, and backed by iXsystems. It uses ZFS for storage, which provides stronger data integrity guarantees than Unraid's parity model. ZFS runs checksums on every read and write, detecting and correcting silent data corruption automatically. Unraid has no equivalent protection against bit rot on data drives.
TrueNAS Scale suits you if:
- You care deeply about data integrity and long-term archive reliability
- You are running uniform drives (same size, same pool configuration)
- You want native SMB, NFS, and iSCSI shares without plugins
- You prefer a Debian Linux base with standard package management
TrueNAS Scale does not suit you if you want to mix drive sizes freely, or if you find ZFS pool concepts (vdevs, stripe widths, RAIDZ levels) confusing. The learning curve is steeper than Unraid for new users. See the full TrueNAS Australia guide for more.
Proxmox: Free if You Are Running VMs Primarily
Proxmox VE is a free, open source hypervisor based on Debian. It is not a NAS operating system. It does not have built-in NAS features like SMB shares, SMART monitoring dashboards, or drive health alerting. What it does have is excellent VM and container management via LXC and KVM, a mature web UI, and enterprise-grade HA clustering capabilities.
Homelab users run Proxmox with TrueNAS Scale virtualised inside it, or with ZFS datasets exposed over NFS to VMs. This is a valid approach but adds complexity: you are managing two operating systems, and ZFS memory requirements (1GB RAM per TB of storage is a common guideline) eat into what your VMs can use.
Proxmox suits you if your primary use case is running VMs and containers, with NAS storage as secondary. Unraid suits you better if NAS storage is primary and VMs are secondary.
When Unraid Is Not Worth the Cost
Unraid is not the right choice in these situations:
- You have matched drives already: If you are buying four identical drives and want ZFS data integrity, TrueNAS Scale is a better fit and costs nothing.
- You are primarily running VMs: Proxmox is a superior hypervisor platform at zero cost. Unraid's VM support is functional but not its strength.
- You want RAID 5 or RAID 6 semantics: Unraid parity is not RAID 5. It can only protect against one drive failure (single parity) or two (dual parity), but rebuild performance is slow compared to hardware RAID or ZFS RAIDZ.
- You are on a tight budget: $95-215 AUD is not nothing. For a first homelab, TrueNAS Scale delivers serious NAS functionality for free.
The Verdict: Pay for Unraid If Drive Flexibility Matters
The Unraid licence makes sense if you are building an incremental storage server where you add drives opportunistically, want simple Docker container management without deep Linux knowledge, and value the strong community support the platform has developed over fifteen years. The Basic tier at around $95 AUD is sufficient for most home labs with six or fewer array drives.
If data integrity is your primary concern, start with TrueNAS Scale. If virtualisation is your primary concern, start with Proxmox. Both are free and both are excellent platforms. See our full comparison of Unraid vs TrueNAS Scale vs Proxmox for a complete decision framework.
Australian buyers: Unraid licences are priced in USD with no local currency option. Use a Wise or Revolut card to avoid the 2-3% international transaction fee your bank charges. The AUD/USD rate fluctuates, so the prices above are indicative. The Unraid store shows the USD price at checkout. ACL does not apply to software purchases from US companies without an Australian business presence.
Is Unraid a one-time purchase or a subscription?
Unraid is a one-time purchase. Once you buy a licence, it is yours permanently with no annual renewal. You get lifetime access to the software at the tier you purchased, and major version upgrades have historically been included. The licence is tied to your USB boot drive, not your hardware.
What happens if my Unraid USB drive fails?
You can transfer your Unraid licence to a new USB drive via the Unraid account portal. Log in at unraid.net, navigate to your licence, and request a key transfer. You get a limited number of transfers per year. This is why keeping the USB boot drive in a safe, low-heat port matters. Many users put it on an internal USB header rather than an external port.
Can I upgrade from Basic to Plus or Pro later?
Yes. Unraid allows tier upgrades at the price difference. If you paid $59 USD for Basic and later want Plus, you pay $30 USD (the difference). This makes it reasonable to start with Basic if you have six or fewer drives and upgrade only if you need to expand.
Is TrueNAS Scale actually free with no catches?
TrueNAS Scale (now called TrueNAS) is genuinely free and open source under the BSD licence. There are no feature limits, no drive count limits, and no subscription fees for home or business use. iXsystems sells enterprise support contracts separately, but the software itself has no paywall. The source code is available on GitHub.
Does Unraid protect against bit rot like ZFS does?
No. Unraid's parity system protects against drive failure but does not detect or correct silent data corruption (bit rot) on individual data drives. ZFS runs checksums on every read and write operation, catching and correcting corruption automatically. For long-term archive storage where data integrity is critical, TrueNAS with ZFS is more appropriate than Unraid.
Which licence tier do most home users need?
Basic ($59 USD, up to 6 drives) covers most home lab setups. A typical 4-bay NAS with one parity drive uses 5 slots total, leaving one spare. If you plan to expand beyond 6 drives, Plus ($89 USD, up to 12 drives) is the sensible choice from the start. Pro is for large arrays with 12 or more drives.
Not sure which homelab OS is right for your setup? Try the interactive selector.
Open Homelab OS Selector →