If you're running a laundromat, auto shop, clinic, or any other brick-and-mortar business, at some point you'll outgrow "just backing up to an external hard drive." That's usually when a NAS (network-attached storage) enters the conversation — and almost immediately, two names come up: Synology and TrueNAS.
Both will store your files, run your backups, and survive a drive failure. But they're built on very different philosophies, and picking the wrong one for your situation means either overpaying for flexibility you'll never touch, or fighting a system that assumes you have in-house IT staff.
Here's how to think about the decision.
The short version
- Synology is a turnkey appliance. You buy the box, plug it in, and a polished web interface walks you through everything. Great when you want storage to be a solved problem.
- TrueNAS is open-source software (built on ZFS) that you can run on Synology-like hardware or repurpose an old server for. It's more capable and far more flexible, but it expects someone to actually understand what they're configuring. Neither is "better" in the abstract — the right choice depends on whether you have (or plan to hire) any technical support, and whether being tied to one vendor's ecosystem bothers you.
Ease of setup and daily use
This is where Synology wins outright. Its DSM (DiskStation Manager) interface is genuinely one of the best pieces of software design in the NAS space — app store, mobile apps, one-click backup jobs, and a UI that doesn't assume you know what RAID is. If you want to hand a device to a non-technical staff member and say "this backs up the point-of-sale system," Synology gets you there fastest.
TrueNAS has improved a lot (the newer TrueNAS SCALE interface is much friendlier than it used to be), but it still exposes more of the underlying concepts — storage pools, datasets, permissions — because that's the point. You're not locked into a vendor's simplified worldview, but you pay for that with a steeper learning curve.
Cost and hardware lock-in
Synology sells you the whole package: their hardware, their OS, their app ecosystem. That convenience comes at a markup, and once you're on a Synology box, migrating off it (or upgrading drives beyond what your model supports) can be more restrictive than people expect.
TrueNAS is free and runs on standard hardware — including gear you may already own or can buy used. This is the appeal for anyone who doesn't want their storage solution tied to a single company's roadmap or pricing decisions. The trade-off is that you (or whoever supports the system) are responsible for hardware compatibility instead of a vendor guaranteeing it for you.
Data integrity
Both platforms support RAID for drive redundancy, and TrueNAS's ZFS filesystem in particular is well regarded for catching and correcting data corruption that traditional filesystems can miss. Synology has closed the gap significantly with its own Btrfs-based features, but ZFS remains the more battle-tested option for businesses that can't afford silent data corruption — think medical records or years of client files.
One thing that applies regardless of which platform you choose: RAID is not a backup. It protects you from a drive failure, not from ransomware, accidental deletion, or a fire at your location. Either NAS should be one piece of a proper 3-2-1 backup strategy — three copies of your data, on two different types of media, with one copy offsite.
Which one fits your business?
- Choose Synology if: you want something that works out of the box, don't have (or want) ongoing technical involvement, and the ecosystem lock-in doesn't concern you.
- Choose TrueNAS if: you already have technical support handling it, want maximum control over your data and hardware, or simply don't want your storage solution dependent on one vendor's continued goodwill. For most small businesses without in-house IT, Synology is the pragmatic starting point — it removes friction. For operators who want a system that grows with them without being boxed into proprietary hardware, TrueNAS is worth the extra setup complexity, especially with a managed IT partner handling the configuration and monitoring.
The bottom line
There's no universally "correct" NAS — there's only the right fit for how hands-on you want to be with your own infrastructure. If you're not sure which camp you fall into, that's usually the first thing worth figuring out before buying any hardware at all.
Not sure which backup setup makes sense for your business? Get in touch and we'll help you figure out what actually fits your operation — not just what's easiest to sell.