Best NAS for Small Business 2026: Buyer's Guide to Backup & File Sharing
Find the best NAS for small business in 2026. Compare Synology, QNAP, and other NAS drives for backup, file sharing, and data protection.
Cloud storage alone isn’t a backup strategy. We’ve seen too many small offices lose critical data because they relied solely on cloud platforms—which get hacked, accidentally deleted, or held for ransom just like any other storage system.
A NAS (network-attached storage) gives you something cloud providers can’t: local control. You get centralized file sharing across your office, automated backups that run on your schedule, and data recovery options that don’t depend on a cloud vendor’s support timeline.
This guide covers the best NAS for small business in 2026, with real-world specs and pricing to help you choose the right one.
Quick Picks: Top NAS for Small Business
| Model | Bays | Best For | Starting Price | Network |
|---|---|---|---|---|
| Synology DS925+ | 4 (expandable to 9) | Best overall balance | ~$600 | 1GbE |
| QNAP TS-464-8G | 4 | Performance + expandability | ~$550 | Dual 2.5GbE |
| Synology DS224+ | 2 | Tiny office budget | ~$280 | 1GbE |
| QNAP TS-262 | 2 | Compact performer | ~$320 | Dual 2.5GbE |
| Ubiquiti UNAS Pro 4 | 4 | UniFi-managed shops | ~$499 | 2.5GbE |
| TerraMaster F4-424 Pro | 4 | Power 4-bay option | $450–700 (often ~$550 on sale) | 2× 2.5GbE |
Synology DS925+: Best Overall NAS for Small Business
What it is: A 4-bay NAS (expandable to 9 bays via the DX525 expansion unit) with Synology’s industry-leading DSM (DiskStation Manager) software. This is the workhorse that most small offices should seriously consider.
Specs:
- CPU: AMD Ryzen quad-core (3.4 GHz)
- RAM: 8GB (upgradeable to 32GB)
- Bays: 5 (supports 3.5” or 2.5” drives)
- Network: Single 1GbE port (expandable with optional cards)
- RAID: Supports RAID 0/1/5/6/10, SHR
- Software: DSM 7.x with built-in backup, file sharing, surveillance
Who it’s for: Small offices with 5–50 users. Anyone who values software maturity and ease of administration over raw performance.
Pros:
- DSM is the most user-friendly NAS interface on the market—zero learning curve for non-technical staff
- Excellent backup software built-in (Active Backup for Business)
- Hybrid RAID (SHR) automatically optimizes storage efficiency
- Strong add-on ecosystem (media server, security camera hub, Docker support)
- Quiet operation; low power consumption (~65W idle)
Cons:
- 1GbE networking is slower than 2.5GbE (fine for small offices, bottleneck at 20+ users)
- Pricier than QNAP’s entry options
- No built-in redundant power supplies (acceptable for SMB use)
Pricing: Around $650 (drives not included). Budget $400–600 for 4× 8TB drives if you need full capacity.
Verdict: The Synology DS925+ is our top pick for most small businesses. If you need plug-and-play NAS with no fuss, this is it. The software does the heavy lifting, and you’ll rarely touch the hardware again.
→ Check Synology DS925+ price [AFFILIATE LINK]
QNAP TS-464-8G: Best for Performance & Expandability
What it is: A 4-bay NAS that trades simplicity for raw speed. Built for offices that need faster backup/restore and future growth.
Specs:
- CPU: Intel Celeron N5095 (quad-core, 2.9 GHz)
- RAM: 8GB (upgradeable to 64GB)
- Bays: 4 (3.5” or 2.5”)
- Network: Dual 2.5GbE ports (can bond for 5GbE)
- M.2 NVMe: 2 slots for SSD cache/tiering
- RAID: RAID 0/1/5/6/10, hybrid RAID
- Software: QTS with Qmultimedia, backup, surveillance
Who it’s for: Small offices with 10–30 users, or anyone needing fast backup speeds and room to grow. Tech-forward teams comfortable with QNAP’s interface.
Pros:
- Dual 2.5GbE networking is 2.5× faster than single 1GbE
- Two M.2 slots for NVMe caching (huge speed boost for databases or large file transfers)
- Highly expandable: add external bays, USB drives, or use cloud tiering
- QTS software is powerful and customizable (steeper learning curve than Synology)
- Good value for a 4-bay NAS
Cons:
- QTS interface is more complex; requires more admin knowledge
- Less intuitive backup software than Synology
- Community support is smaller than Synology’s
- Runs hotter than Synology (will need better cooling in hot offices)
Pricing: Around $550 for the unit. Add $300–500 for drives + SSD cache.
Verdict: Choose the QNAP TS-464-8G if your office is growing or you need faster backup windows. The 2.5GbE ports and NVMe slots pay for themselves if you’re backing up 50+ GB daily.
→ Check QNAP TS-464-8G price [AFFILIATE LINK]
Synology DS224+: Best Budget NAS for Tiny Offices
What it is: A 2-bay entry point for offices with minimal storage needs (<20 users, <100GB of shared files).
Specs:
- CPU: Intel Celeron quad-core (2.0 GHz)
- RAM: 2GB (upgradeable to 6GB)
- Bays: 2 (3.5” or 2.5”)
- Network: 1GbE
- Software: DSM 7.x (same as DS925+)
Who it’s for: Solopreneurs, 2–5 person offices, or backup-only setups for a secondary location.
Pros:
- Cheapest Synology option (~$280)
- Full DSM software feature set (backup, file sharing, surveillance)
- Whisper quiet; uses less than 20W
- Perfect for off-site backups or branch office storage
Cons:
- Limited to 2 drives (max 32TB with large 16TB drives)
- Single 1GbE network port
- Slower CPU limits concurrent users
- May feel cramped as you grow
Pricing: Around $280. Drives typically $80–150 each.
Verdict: If your office is small and bootstrapped, the DS224+ is the gateway drug to proper backups. Buy it, set it up in an afternoon, and forget about it. When you outgrow it (and you will), the skills transfer to the DS925+.
→ Check Synology DS224+ price [AFFILIATE LINK]
QNAP TS-262: Best Compact Performer
What it is: A 2-bay NAS with QNAP’s performance DNA: dual 2.5GbE, Intel processor, and NVMe slot.
Specs:
- CPU: Intel Celeron N5095 (2.9 GHz)
- RAM: 8GB
- Bays: 2 (3.5” or 2.5”)
- Network: Dual 2.5GbE
- M.2 NVMe: 1 slot
- Software: QTS
Who it’s for: Small offices that want 2.5GbE speeds without the complexity of managing 4+ drives.
Pros:
- Dual 2.5GbE on a 2-bay unit (unusual and fast)
- NVMe slot for caching
- More affordable than larger QNAP models
- Good for video editing or media work
Cons:
- Still more complex than Synology DS224+
- Only 2 bays limits total capacity
- Higher power consumption than equivalent Synology
Pricing: Around $320.
Verdict: A niche play. The TS-262 makes sense if you need speed but don’t have room for a 4-bay unit. Otherwise, go Synology DS224+ for simplicity or save up for the TS-464 for more capacity.
→ Check QNAP TS-262 price [AFFILIATE LINK]
Ubiquiti UNAS Pro / Pro 4 / Pro 8: Best for Unified UniFi Networks
What it is: Ubiquiti’s NAS lineup, built to integrate with UniFi Dream Machine routers and UniFi switches. Three current SKUs as of April 2026:
- UNAS Pro 4 (4-bay desktop): $499 — the right starting point for most small offices
- UNAS Pro (7-bay 2U rackmount): $499 — same price, more bays, rack form factor
- UNAS Pro 8 (8-bay rackmount): $799 — for offices with serious storage needs
Specs:
- Network: 2.5GbE (older UNAS Pro: 1GbE + 10GbE SFP+)
- Software: UniFi OS with native UniFi integration
Who it’s for: Offices already invested in Ubiquiti UniFi networking (Dream Machine, switches, APs). Businesses with centralized network management. The UNAS Pro 4 hits a strong price/feature point for the SMB use case.
Pros:
- Integrates natively with UniFi control panel (single pane of glass)
- Aggressively priced at $499 for a 4-bay or 7-bay unit
- Simplified UI if you’re already using UniFi products
- Strong Ubiquiti ecosystem integration
Cons:
- Limited software ecosystem compared to Synology/QNAP
- Smaller third-party developer support
- Documentation and community support lag behind bigger players
- Still relatively new (fewer battle-tested deployments) — UNAS Pro 4 launched early 2026
Verdict: If you’re running UniFi infrastructure and want everything under one control panel, UniFi NAS is worth considering. However, if you’re starting fresh, Synology or QNAP offer more mature software and broader compatibility.
→ Check Ubiquiti UniFi NAS [AFFILIATE LINK]
TerraMaster F4-424 Pro: Best Value 4-Bay Alternative
What it is: A Chinese-manufactured 4-bay NAS competing on price rather than brand recognition.
Specs:
- CPU: Intel Core i3-N305 (8-core, 8-thread)
- RAM: 32GB DDR5 (massive for a NAS at this price)
- Bays: 4
- Network: 2× 2.5GbE
- M.2: Dual NVMe slots for SSD caching
- Software: TOS (TerraMaster OS)
Who it’s for: Offices that want maximum hardware horsepower per dollar and don’t need Synology/QNAP software polish. The N305 + 32GB RAM combo punches well above its price class.
Pros:
- Strongest hardware in its price band by a wide margin (8-core i3, 32GB RAM, 2× 2.5GbE)
- Same Intel Celeron CPU as QNAP models — actually faster
- Decent performance for the price
- Quiet operation
Cons:
- TOS software is less polished than DSM or QTS
- Smaller community for troubleshooting
- Limited third-party app ecosystem
- Resale value is lower if you need to upgrade
Pricing: $700 MSRP, regularly discounted to $450–$550 at Amazon/B&H/Newegg. Watch for sales — TerraMaster runs them frequently.
Verdict: TerraMaster works well if you want maximum CPU/RAM/network throughput per dollar and you’re comfortable with less-polished software. The hardware here genuinely outclasses the equivalent Synology/QNAP at the sale price. NAS is a “set it and forget it” device, so weigh the software trade-off — if you’ll touch it monthly, go Synology; if you’ll touch it twice a year, this is hard to argue against on price.
→ Check TerraMaster F4-424 Pro [AFFILIATE LINK]
Why Your Small Business Needs a NAS
Local Backup = Data You Control
A NAS sits on your local network. When ransomware encrypts your PCs, a NAS with snapshot functionality can recover files from hours ago without paying ransom. Cloud-only backups can be encrypted too if an attacker compromises your cloud login.
File Sharing Without the Cloud Middleman
A NAS lets your team access files from any device without uploading everything to Dropbox, Google Drive, or OneDrive. Your sensitive client data never leaves your building.
Ransomware Recovery Speed
Recovering 100 GB of files from AWS S3 or Azure takes hours over the internet. Recovering from a local NAS takes minutes. When your office is down, those minutes matter.
Compliance & Audit Trails
Many industries (healthcare, legal, accounting) require on-premises data storage for compliance. A NAS lets you stay compliant without expensive enterprise servers.
Media & Backup Centralization
Store security camera footage, project archives, and client files in one place. A single NAS replaces multiple external drives scattered around the office.
NAS vs Cloud Storage: You Need Both
The 3-2-1 Backup Rule: Keep 3 copies of your data. Store on 2 different media types. Keep 1 copy offsite.
A NAS handles the local (fast) part. Cloud storage handles the offsite part. Together, they’re bulletproof.
| Aspect | NAS | Cloud Storage |
|---|---|---|
| Speed | Fast (local network) | Slow (internet-dependent) |
| Cost (per TB) | $20–40 (upfront) | $10–20/month |
| Recovery time | Minutes | Hours |
| Ransomware risk | Low (snapshots) | Medium (shared login) |
| Compliance | Excellent | Depends on provider |
| Off-site backup | No (requires second NAS) | Yes (cloud provider handles it) |
Smart strategy: NAS for daily file sharing and local backups. Cloud storage (AWS, Azure, Backblaze) for offsite archival. Most small offices do this with NAS backup software that automatically sends encrypted snapshots to the cloud nightly.
Synology vs QNAP: Quick Comparison
Both dominate the small-business NAS market. Here’s how to choose:
Synology: Choose if you want software that “just works.” Setup takes 20 minutes. Backup software is intuitive. You’ll rarely touch it again. Lower learning curve for non-technical staff.
QNAP: Choose if you need hardware flexibility (NVMe slots, multiple network upgrades, higher-spec CPUs). Setup takes longer, but you get more customization. Better for power users and growing businesses.
In practice: Most MSPs recommend Synology for general use. QNAP for clients who have specific performance needs or heavy backup workloads.
What to Look for in a Business NAS
Number of Bays
- 2 bays: Backup-only, tiny offices, branch locations (max ~32TB)
- 4 bays: Sweet spot for small offices 5–25 people (max ~64TB)
- 5+ bays: Growing offices 20+ people or high-storage needs
CPU & RAM
Modern quad-core processors from Intel Celeron or AMD Ryzen are fine for most offices. RAM matters more: 4GB minimum, 8GB ideal for concurrent users. Upgradeable RAM is a bonus.
Network Speed
- 1GbE: Fine for offices under 15 users or backup-only setups
- 2.5GbE: Recommended for 15–40 users or daily backups >50GB
- 10GbE: Overkill for small business; adds $500+ cost
RAID Support
All modern NAS support RAID 5 and 6. RAID 5 requires 3+ bays. RAID 6 (dual-redundancy) is safer if you can’t afford downtime. Hybrid RAID (Synology SHR) is convenient for mixed drive sizes.
Software Ecosystem
- Synology DSM: Most add-ons (Slack integration, security camera hub, media server, Docker)
- QNAP QTS: Good add-ons, steeper learning curve
- Others: Limited third-party support
Expandability
- Do you need to add more bays later? Check if the NAS supports external expansion units.
- Do you need fast caching? Check for M.2 NVMe slots.
- Do you need faster network? Check for upgradeable network cards.
For most small offices, a 4-bay NAS with 1GbE is enough today. Plan to replace it in 5 years.
FAQ: Common NAS Questions
Q: Do I need RAID 6 or is RAID 5 enough?
RAID 5 needs 3+ drives and tolerates 1 drive failure. RAID 6 needs 4+ drives and tolerates 2 failures. For small office backups, RAID 5 is fine. RAID 6 is more conservative and worth the extra cost if you can’t afford office downtime.
Q: Can I use any hard drives in a NAS?
Use NAS-rated drives (WD Red, Seagate IronWolf, or Pro versions). These are designed for 24/7 operation and have vibration tolerance. Desktop drives (WD Blue, Seagate Barracuda) will wear out in 2–3 years. Invest in proper NAS drives.
Q: How much does a full NAS setup cost?
Budget: Unit ($300–700) + Drives ($300–800) + Setup labor ($200–500) = $800–2000 total. A 4-bay Synology with 4× 8TB WD Red drives costs around $1200 all-in.
Q: Can I access files remotely?
Yes. Both Synology and QNAP offer secure remote access apps (Synology Drive, QNAP Qfile) that let users connect from home or mobile. Use 2FA for security.
Q: What if a drive fails?
RAID 5 or 6 keeps your data safe during drive failure. Simply hot-swap the failed drive (buy a replacement ~$100–200) and the NAS rebuilds automatically over 4–8 hours. Zero data loss.
Bottom Line
The best NAS for small business is the Synology DS925+ if you want a set-it-and-forget-it solution. If you need 2.5GbE speed and future flexibility, grab the QNAP TS-464. On a tight budget, the Synology DS224+ is a solid starting point.
Don’t skip NAS because cloud storage “seems good enough.” We’ve seen too many small offices lose thousands in recovery fees (or lose data entirely) because they didn’t have a local backup strategy. A NAS costs 1–2% of that recovery bill and works 100% of the time.
Next steps:
- Assess your data volume (how much data do you need to store?)
- Count concurrent users (how many people access files daily?)
- Choose a model based on this guide
- Budget for NAS-rated drives, not cheap desktop drives
- Set up nightly backups to the cloud as an offsite copy
For more on building backup-ready infrastructure, check out our guide to small office network setup. If you’re also building a secure perimeter, read our best firewall for small business article.
Related Articles
- Best Network Switch for Small Business — 1GbE vs 2.5GbE switches for your office
- Small Office Network Setup Guide — Planning your IT infrastructure
- Best Firewall for Small Business — Protecting your network and NAS from threats