TrueNAS Mini X+ vs TrueNAS Mini R
The two most-featured Minis cover two different deployment shapes: the Mini X+ is a compact 5+2-bay desktop unit (up to 110 TB), and the Mini R is a 12-bay 1U rack-mount (up to 264 TB). Both run the same TrueNAS SCALE, ECC RAM, and 2× 10 GbE SFP+ — the question is desk vs rack and capacity.
| Spec | TrueNAS Mini X+ | TrueNAS Mini R |
|---|---|---|
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| Drive Bays | 8 × 3.5″ / 2.5″ hot-swap bays | 8 × 3.5″ hot-swap bays |
| Processor | Intel Atom C3758R 8-core 2.4 GHz | Intel Atom C3758R 8-core 2.4 GHz |
| Memory | 32 GB ECC DDR4 (expandable to 64 GB) | 16 GB ECC DDR4 (expandable to 32 GB) |
| Networking | 2 × 10 GbE SFP+ (standard) | 2 × 10 GbE SFP+ (standard) |
| OS | TrueNAS SCALE (Linux-based, open source) | — |
| Max Raw Capacity | Up to 144 TB (8 × 18 TB) | Up to 144 TB (8 × 18 TB) |
| Form Factor | — | 1U rackmount |
| View Mini X+ | View Mini R |
Which one's right for you?
Choose the Mini X+ if…
- You're deploying to a home office, edit suite, branch office, or any space where a tower form factor fits and rack space doesn't exist.
- 5+2 bays and ~110 TB are enough headroom for the workload.
- Quiet operation matters — the X+ runs whisper-quiet on a desk.
Choose the Mini R if…
- You have rack space (1U) and want to consolidate Mini-class storage into the rack alongside switches and servers.
- 12 bays + up to 264 TB is the right capacity tier — roughly 2.4× the X+.
- The deployment is a small data center, network closet, MDF/IDF, or a remote office with a rack.
Where they're identical
Both run TrueNAS SCALE (Linux-based, OpenZFS), have ECC RAM, dual 10 GbE SFP+ networking, and the full Mini Series protocol stack (SMB, NFS, iSCSI, S3-compatible). Both are the right tool for "Mini-class" workloads — home labs, SMB file/print, branch-office backup targets, Plex/media servers, remote-site archives. If you outgrow either, the rackmount path is the R-Series.
Other Mini options: Mini E and Mini E+ are the entry tier at 1 GbE, Mini X is the X+'s smaller sibling, and Mini XL+ is the largest desktop Mini at 8+2 bays.
Help picking between Mini X+ and Mini R
Tell us your deployment site, capacity target, and use case. We'll configure the right Mini and stay on the order through delivery.

