SME NAS 2026: Synology vs QNAP vs Asustor.
Neutral comparison of the 3 leading SME NAS vendors. OS, security, backup, performance, pricing.
Synology RS / DS Plus
SMEs with 5-200 users, demanding security + simplicity
- ✓DSM 7.2: the most polished NAS OS on the market
- ✓Native immutable BTRFS snapshots (anti-ransomware)
- ✓Active Backup for Business free (Win/M365/Workspace/VMware)
- ✓Maintained apps: Drive, Photos, Office, Surveillance
- ✓Security: mandatory admin MFA, built-in Security Advisor
- ✓Hyper Backup to cloud (S3, Azure, B2, Drive)
- ✓Excellent documentation
- −Less powerful hardware than QNAP at an equivalent price
- −10 GbE options often on high-end models only
- −Third-party apps (Docker, etc.) less extensive
SMEs with 5-50 seats and no CISO, demanding security + operational simplicity
QNAP TS / TVS
SMEs with 10-200 users, media / virtualization use cases
- ✓Hardware often more powerful at an equivalent price
- ✓Built-in 10 GbE on more models
- ✓Integrated GPU for video transcoding (Plex, Surveillance)
- ✓Rich Virtualization Station + Container Station
- ✓Versatile Hybrid Backup Sync
- ✓High-performance Snapshot Manager
- −QTS 5.x cluttered interface, redundant multi-apps
- −History of ransomware incidents (DeadBolt 2022, Qlocker 2021)
- −Security updates sometimes lag behind Synology
- −Larger attack surface (services enabled by default)
Media studio, heavy video surveillance, homelab, IT virtualization
Asustor Lockerstor / AS
SMEs with 5-100 users, budget alternative to Syno/QNAP
- ✓Aggressive price/performance ratio (often -15-20% vs Syno)
- ✓Solid hardware (Intel Atom + sometimes Ryzen)
- ✓ADM 4.x modern interface
- ✓MyArchive: encrypted removable disk (USB-style)
- ✓Btrfs + ZFS compatible (depending on models)
- ✓3-year warranty often included
- −Smaller community than Syno/QNAP
- −Fewer maintained business apps
- −More spartan documentation
- −Less reliable distribution in Europe
Budget-constrained SMEs, standard file + backup use, self-sufficient IT team
Detailed comparison table
| Criterion | Synology | QNAP | Asustor |
|---|---|---|---|
| OS | DSM 7.2 | QTS 5.x | ADM 4.x |
| File system | BTRFS (snapshots) | ext4 / ZFS | Btrfs + ZFS (high-end models) |
| Immutable snapshots | Yes (BTRFS) | Yes (Snapshot Manager) | Yes (Btrfs) |
| Mandatory admin MFA | Yes | Optional | Optional |
| Security update responsiveness | Excellent | Variable | Good |
| Win/Mac/Linux backup | Active Backup free | Hybrid Backup Sync | ABackup |
| M365 / Workspace backup | Active Backup included | Boxafe | Limited |
| VMware/vSphere backup | Active Backup VM | Hybrid Backup VM | Limited |
| Cloud sync (S3/Azure/Drive) | Hyper Backup | HBS3 | DataSync |
| Container virtualization | Container Manager | Container Station + Virt Station | Docker |
| IP video surveillance | Surveillance Station (8 cameras free) | QVR Pro | Surveillance Center |
| 10 GbE | High-end models | More accessible | Depending on models |
| Standard warranty | 3 years | 2 years (paid extension) | 3 years |
Recommendation by profile
→ Synology DSM
The most secure and refined OS, free Active Backup, operational simplicity. A no-regret choice for 80% of SMEs.
→ QNAP TVS / TS-h
Powerful hardware + accessible 10 GbE + GPU transcoding. Heavy surveillance.
→ Asustor Lockerstor
Unbeatable price/performance ratio, 3-year warranty, all the essential features present.
Choosing + sizing + deploying an SME NAS?
Capacity + RAID + 3-2-1-1-0 backup calculation + network integration + training. Audit + recommendation + delivery + deployment.