The best NAS for small business in 2026 is the Synology DS925+ for most 2–20-person offices. It combines four drive bays, dual 2.5GbE, snapshots, centralized backup, remote-access tools, and mature administration. Choose the Synology DS1525+ for faster growth, QNAP TS-464 for hardware flexibility, or a six-bay TerraMaster or ASUSTOR for capacity value.
A business NAS is more than a box for sharing files. The useful comparison includes backup and recovery, permissions, ransomware resilience, drive compatibility, network infrastructure, expansion, support, and the cost of restoring operations after a failure. The recommendations below assume a desktop NAS for roughly 2–20 users sharing documents, backing up computers, storing projects, and possibly recording surveillance video.
Key takeaways
- Synology DS925+ is the best overall fit for most small offices because DSM, Active Backup for Business, four bays, dual 2.5GbE, and expansion support favor simple administration.
- Synology DS1525+ is the better growth choice when five internal bays, optional 10GbE, or expansion to as many as 15 drives matters more than the lower initial cost of a four-bay NAS.
- QNAP TS-464 offers stronger hardware flexibility through dual 2.5GbE, M.2 NVMe support, PCIe expansion, and a choice between QTS and model-specific QuTS hero support.
- Four 12 TB disks provide 48 TB raw capacity, but nominal RAID 5 capacity is approximately 36 TB and RAID 6 or RAID 10 capacity is approximately 24 TB before overhead.
- RAID is not a backup: ransomware, deletion, theft, fire, motherboard failure, and corrupted files can affect every disk in the array.
- Most small offices should start with 2.5GbE rather than 10GbE unless large files, multiple simultaneous transfers, fast SSD storage, and an end-to-end 10GbE network justify the cost.
Which NAS is best for a small business in 2026?
The Synology DS925+ is the best overall NAS for a typical small business in 2026. The four-bay desktop system is a strong default when the buyer values straightforward user administration, centralized workstation backup, snapshots, remote access, and a mature software ecosystem more than maximum CPU or expansion performance.
Synology lists the DS925+ with dual 2.5GbE, two M.2 NVMe slots, support for up to nine drives with a DX525 expansion unit, and up to 180 TB of raw capacity using 20 TB drives. The manufacturer also lists a three-year limited hardware warranty and quotes up to 522 MB/s sequential read and 565 MB/s sequential write in its own testing. These are vendor figures, not independent real-world benchmarks; see the DS925+ product specifications and DS925+ datasheet.
#1 Best Overall
- Entry-level NAS Personal Storage：UGREEN NAS DH2300 is your first and best NAS made easy. It is designed for beginners who want a simple, private way to store videos, photos and personal files, which is intuitive for users moving from cloud storage or external drives and move away from scattered date across devices. This entry-level NAS 2-bay perfect for personal entertainment, photo storage, and easy data backup (doesn't support Docker or virtual machines).
- Set Your Devices Free, Expand Your Digital World: This unified storage hub supports massive capacity up to 64TB.*Storage drives not included. Stop Deleting, Start Storing. You can store 22 million 3MB images, or 2 million 30MB songs, or 43K 1.5GB movies or 67 million 1MB documents! UGREEN NAS is a better way to free up storage across all your devices such as phones, computers, tablets and also does automatic backups across devices regardless of the operating system—Window, iOS, Android or macOS.
- The Smarter Long-term Way to Store: Unlike cloud storage with recurring monthly fees, a UGREEN NAS enclosure requires only a one-time purchase for long-term use. For example, you only need to pay $459.98 for a NAS, while for cloud storage, you need to pay $719.88 per year, $2,159.64 for 3 years, $3,599.40 for 5 years. You will save $6,738.82 over 10 years with UGREEN NAS! *NAS cost based on DH2300 + 12TB HDD; cloud cost based on 12TB plan (e.g. $59.99/month).
- Blazing Speed, Minimal Power: Equipped with a high-performance processor, 1GbE port, and 4GB RAM on Board, this NAS handles multiple tasks with ease. File transfers reach up to 125MB/s—a 1GB file takes only 8 seconds. Don't let slow clouds hold you back; they often need over 100 seconds for the same task. The difference is clear.
- Let AI Better Organize Your Memories: UGREEN NAS uses AI to tag faces, locations, texts, and objects—so you can effortlessly find any photo by searching for who or what's in it in seconds. It also automatically finds and deletes similar or duplicate photo, backs up live photos and allows you to share them with your friends or family with just one tap. Everything stays effortlessly organized, powered by intelligent tagging and recognition.
The DS925+ is not the universal winner. A growing design firm may be better served by the five-bay DS1525+. A technically capable administrator may prefer the QNAP TS-464’s PCIe slot and broader configuration options. A business that needs six bays at a lower hardware cost should compare QNAP, TerraMaster, and ASUSTOR models rather than assuming four bays will remain sufficient.
Quick recommendations
| Category | Model or class | Why choose it | Main reservation |
|---|---|---|---|
| Best overall | Synology DS925+ | Simple DSM administration, centralized backup, dual 2.5GbE, four bays, M.2 slots, and expansion to nine drives | No built-in 10GbE; four internal bays may limit growth |
| Best for growth | Synology DS1525+ | Five bays, dual 2.5GbE, optional 10GbE, and expansion to as many as 15 drives | Higher chassis cost and optional expansion or networking hardware |
| Best hardware value and flexibility | QNAP TS-464 | Dual 2.5GbE, M.2 NVMe, PCIe expansion, and broad application support | Requires more deliberate administration and security hardening |
| Best capacity/value alternative | TerraMaster F6-424 Pro or a comparable current six-bay model | More capacity and hardware-per-dollar appeal | Software maturity, support, and business workflows need careful evaluation |
| Best budget multi-gigabit six-bay option | ASUSTOR LOCKERSTOR 6 Gen2 AS6706T | Six bays, dual 2.5GbE, PCIe expansion, SMB Multichannel, and 8 GB DDR4 in the listed configuration | ADM may be less polished for some business-management workflows |
| Best for demanding workloads | Rackmount or higher-end ZFS NAS | Better networking, ECC or server-grade configurations, redundant power options, and larger expansion paths | Too expensive and complex for a typical small office |
TerraMaster’s official SMB NAS positioning emphasizes scalable storage, selected 10GbE systems, and high-concurrency workloads. The ASUSTOR AS6706T datasheet confirms the six-bay, dual-2.5GbE, and expansion specifications for that model.
How were these small-business NAS recommendations chosen?
These recommendations prioritize business continuity rather than consumer-media features such as Plex transcoding. The evaluation framework gives the greatest weight to whether a small team can protect and recover its data without a dedicated storage administrator.
| Criterion | Weight | What to examine |
|---|---|---|
| Backup and recovery | 25% | Endpoint backup, server and VM backup, file-level restore, bare-metal recovery, off-site copies, and restore testing |
| Security and administration | 20% | MFA, permissions, audit logs, patching, account separation, remote-access controls, and snapshot protection |
| Reliability and drive support | 15% | Drive compatibility, health monitoring, filesystem integrity, warranties, replacement procedures, and UPS integration |
| Performance and networking | 15% | 1GbE, 2.5GbE, or 10GbE connectivity, disk-array performance, client adapters, and switch requirements |
| Expansion | 10% | Extra bays, expansion units, PCIe networking, pool expansion, and migration limitations |
| Software ecosystem | 10% | Backup, collaboration, surveillance, containers, virtualization, cloud integration, documentation, and support |
| Price and operating cost | 5% | Chassis, disks, UPS, networking, backup storage, licenses, support, electricity, and administration time |
No independent hands-on testing was performed for this guide. Manufacturer throughput figures are identified as manufacturer tests, and model availability, firmware support, drive policies, licensing, and pricing should be checked again immediately before purchase.
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Why is the Synology DS925+ the best overall NAS for small business?
The Synology DS925+ is the best overall NAS for small business when ease of administration and recovery workflows outweigh the need for built-in 10GbE or a large number of internal bays.
What the DS925+ does well
- Four bays: Four disks provide a more useful starting point than a two-bay mirror for shared files, workstation backups, snapshots, and moderate growth.
- Dual 2.5GbE: The ports provide a practical step beyond 1GbE without requiring every office device to move to 10GbE.
- Two M.2 NVMe slots: NVMe storage can be used for cache or storage pools, subject to Synology’s configuration and compatibility rules.
- DSM ecosystem: DSM supplies user, group, shared-folder, snapshot, remote-access, and backup-management tools in a relatively approachable interface.
- Active Backup for Business: Synology lists the package as compatible with current Plus-series models including the DS925+; the package is intended for PCs, virtual machines, physical servers, and file servers. See Synology Active Backup for Business.
- Expansion: The optional DX525 can increase the supported drive count to nine, although an expansion unit and its disks cost more than the initial chassis.
Who should not buy the DS925+?
The DS925+ is a poor fit when the business needs built-in 10GbE immediately, expects rapid capacity growth beyond four bays, relies on intensive virtualization or databases, or wants maximum freedom to install a third-party operating system. A five- or six-bay system may cost less than buying a four-bay NAS and expansion hardware later.
Is the Synology DS1525+ better for a growing business?
The Synology DS1525+ is better than the DS925+ for a growing business that needs five internal bays, optional 10GbE, or a longer expansion runway. Synology lists dual 2.5GbE, built-in M.2 NVMe slots, optional 10GbE through the E10G22-T1-Mini module, and support for up to 15 drives with two DX525 expansion units. The relevant DS1525+ datasheet and Synology product listings document those model-specific capabilities.
The fifth bay matters because it can delay a chassis replacement, provide more flexibility for RAID 6, or accommodate a larger backup and surveillance repository. The DS1525+ still uses a desktop design and remains excessive for a small office with modest documents, a separate backup target, and no expected growth.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsChoose the DS1525+ at the start when the business already knows it will need more than four disks. Adding an expansion unit later can preserve the original investment, but expansion hardware adds cost, power consumption, another enclosure, and possible storage-pool or migration constraints.
Is the QNAP TS-464 the best value NAS for small business?
The QNAP TS-464 is the best fit for a technically capable buyer who values hardware flexibility more than the simplest administration. QNAP lists four bays, dual 2.5GbE, M.2 NVMe support, PCIe expansion, QTS, and a model-specific option to switch to QuTS hero beginning with QTS 5.2.1 on the TS-464 product page.
Rank #2
- 【Advanced Home Data & Media Hub】For advanced home users who need phone backup, file storage, and centralized data management. Centralize family photos, 4K videos, movies, computer backups, and personal files in one place while running multiple apps for home entertainment and everyday data management. Suitable for households with growing digital libraries and multiple NAS use cases.
- 【Built for Creators, Media Servers & Advanced Apps】Powered by the Intel N100 Quad-Core CPU, 8GB DDR5 RAM, 2.5GbE networking, and dual M.2 NVMe slots, DXP2800 handles large files and heavier workloads with ease. Run Docker, virtual machines, and media server applications compatible with Plex—ideal for content creators, tech enthusiasts, and advanced home users managing 4K videos, RAW photos, personal media libraries, and multiple NAS apps.
- 【Up to 80TB for Growing Digital Libraries】 Supports up to 80TB of storage using two HDD bays and two M.2 NVMe SSD slots for family photos, movies, RAW photos, 4K videos, work files, and device backups. AI photo management supports recognition of people, objects, scenes, and locations, album organization, and duplicate photo detection. HDDs and SSDs are not included.
- 【AI-powered Home Surveillance】Turn DXP2800 into a centralized home surveillance hub by connecting compatible network cameras and storing recordings locally on your NAS. AI-powered features include Face Recognition, People Detection, and Pet Detection, helping advanced home users review important events more efficiently while managing home surveillance and personal data in one place.
- 【One data Center Across Your Devices】Keep files from desktops, laptops, phones, tablets, and other devices together instead of scattered across cloud accounts and external drives. Access, back up, organize, and share data across Windows, macOS, Android, iOS, web browsers, and compatible smart TVs—ideal for creators and advanced home users working across multiple devices.
QNAP’s combination of PCIe expansion and M.2 support makes the TS-464 attractive for a business planning containers, virtualization, faster networking, or more specialized applications. QNAP states that the TS-464 can reach up to 589 MB/s using its two built-in 2.5GbE ports with port trunking under the company’s stated test configuration. That figure depends on the test setup and should not be treated as a guarantee for every disk array, switch, client, or SMB workload.
QTS or QuTS hero?
QTS is the default operating environment. QuTS hero is the ZFS-based alternative where supported, with features such as data-integrity checks and WORM capabilities according to QNAP. QuTS hero can be attractive for integrity-focused storage and retention workflows, but ZFS-based configurations generally deserve more memory, planning, and administration than a basic file share. Confirm the exact firmware, memory requirements, migration path, application compatibility, and recovery procedure before changing operating systems.
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Which six-bay NAS alternatives should a business consider?
Six-bay models are worth considering when usable capacity, surveillance retention, or dual-disk fault tolerance matters more than the smallest chassis. The QNAP TS-664, TerraMaster F6-424 Pro, and ASUSTOR LOCKERSTOR 6 Gen2 AS6706T belong in the comparison, but their exact prices, firmware, drive policies, and application support should be verified before purchase.
| Option | Best fit | Relevant strengths | Questions to verify |
|---|---|---|---|
| QNAP TS-664 | Buyer who wants six bays and QNAP’s expansion and application model | More capacity and RAID flexibility than a four-bay system; QNAP ecosystem and hardware expansion | Required QTS or QuTS hero features, memory needs, security maintenance, and current support |
| TerraMaster F6-424 Pro | Capacity-focused buyer comfortable managing the platform | Six-bay desktop format, strong hardware-per-dollar positioning, and selected models with faster networking | TOS application maturity, backup restore experience, drive compatibility, support, and exact model availability |
| ASUSTOR AS6706T | Buyer seeking six bays, dual 2.5GbE, and PCIe upgrade flexibility | Six bays, dual 2.5GbE, SMB Multichannel, PCIe expansion for 10GbE, and 8 GB DDR4 in the listed configuration | ADM support for every required application, documentation, warranty, and current firmware |
A secondary TechRadar Pro TerraMaster review describes TerraMaster as appealing to buyers who prioritize capacity and value while assessing software polish and business administration separately. That is a reviewer assessment, not a universal measurement of every TerraMaster model.
Which NAS should you buy for different business workloads?
| Workload | Best direction | Why | Important limitation |
|---|---|---|---|
| Shared office documents and computer backups | Synology DS925+ | Centralized administration and Active Backup for Business are more important than extreme hardware | Use a separate backup destination; do not make the NAS the only copy |
| Fast growth or large backup repository | Synology DS1525+ or a six-bay NAS | More internal bays delay expansion and improve RAID choices | Higher disk, power, and chassis cost |
| Containers, virtualization, or specialized applications | QNAP TS-464 or a higher-end system | PCIe, M.2, CPU, RAM, and application flexibility may matter more than simple file sharing | More configuration and security work may be required |
| Large creative, CAD, or video files | 2.5GbE minimum; consider 10GbE and six or more bays | Large arrays and faster network paths can reduce transfer bottlenecks | Every client, switch, cable, and storage layer must support the target speed |
| Surveillance | Four to six bays, sized for retention | Video consumes capacity continuously and may justify a separate pool or volume | Camera counts, recording modes, retention, and license costs are model-specific |
| Microsoft 365 or Google Workspace collaboration | Hybrid NAS and cloud strategy | A NAS can add backup and local file storage without replacing cloud co-authoring | Verify that the selected platform supports the required cloud backup workflow |
| High availability, large databases, or hundreds of users | Server, managed cloud, rackmount, or enterprise NAS | Those workloads may require redundant power, stronger support, failover, and specialized infrastructure | A desktop NAS may be the wrong product category |
How many NAS bays does a small business need?
Two bays are appropriate only for modest data volumes where RAID 1 and a separate backup target are acceptable; four bays are the practical minimum for many businesses; five or six bays are better for growth, surveillance, larger backups, or dual-disk fault tolerance.
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A two-bay NAS normally uses RAID 1, mirroring one disk to the other. RAID 1 provides resilience against one disk failure but only half of the combined raw capacity. A two-bay system also leaves little room for growth, and a failed chassis still requires restoration from backup. Replacing both disks with larger models can expand capacity, but the process takes time and creates another rebuild period.
Four-bay NAS
A four-bay NAS supports RAID 5, RAID 6, or RAID 10 and gives the business more room to replace disks gradually. Four bays balance chassis cost, redundancy, usable capacity, and future expansion for many 2–20-user offices. RAID 5 may be reasonable for smaller arrays with a strong backup plan, while RAID 6 deserves consideration when high-capacity disks make rebuilds lengthy or when losing a second disk would be unacceptable.
Five- or six-bay NAS
Five or six bays are more practical when the business stores multiple years of backups, surveillance footage, large design files, or needs RAID 6 without giving up too much usable capacity. More bays can also avoid buying an expansion unit soon after the original NAS.
How much usable NAS capacity do four 12 TB disks provide?
Four 12 TB disks provide 48 TB of raw capacity, approximately 36 TB with RAID 5, and approximately 24 TB with RAID 6 or RAID 10 before filesystem, snapshot, metadata, and reserve overhead.
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Rank #3
- Entry-level NAS Home Storage: The UGREEN NAS DH4300 Plus is an entry-level 4-bay NAS that's ideal for home media and vast private storage you can access from anywhere and also supports Docker but not virtual machines. You can record, store, share happy moment with your families and friends, which is intuitive for users moving from cloud storage, or external drives to create your own private cloud, access files from any device.
- Smart Photo Backup & AI Album: Automatically back up photos and videos from your phone in real time and keep growing family memories organized with AI-powered photo albums. Semantic search, custom learning, and recognition of people, objects, pets, and similar photos help you quickly find the moments you want. Duplicate photo removal also helps keep your library organized—ideal for families and users with large photo collections.
- User-Friendly App & Easy Setup: Connect quickly via NFC, set up simply and share files fast on Windows, macOS, Android, iOS, web browsers, and smart TVs. You can access data remotely from any of your mixed devices. What's more, UGREEN NAS enclosure comes with beginner-friendly user manual and video instructions to ensure you can easily take full advantage of its features.
- More Cost-effective Storage Solution: Unlike cloud storage with recurring monthly fees, A UGREEN NAS enclosure requires only a one-time purchase for long-term use. For example, you only need to pay $629.99 for a NAS, while for cloud storage, you need to pay $719.88 per year, $1,439.76 for 2 years, $2,159.64 for 3 years, $7,198.80 for 10 years. You will save $6,568.81 over 10 years with UGREEN NAS! *NAS cost based on DH4300 Plus + 12TB HDD; cloud cost based on 12TB plan (e.g. $59.99/month).
- Your Data, You Control：No third-party clouds, no hidden access, UGREEN NAS provides a more secure and private data storage solution. It stores data locally on your private hard drives and does automatic backups. Thus, you can keep full control over it. The advanced encryption is TRUSTe certified in the United States and is awarded the first (and only) ETSI EN 303 645 certification mark for NAS products by TÜV SÜD Group.
| Four 12 TB disks | Nominal usable capacity | Fault tolerance or behavior |
|---|---|---|
| Raw disks | 48 TB | No redundancy; not suitable for business data as a storage layout |
| RAID 5 | Approximately 36 TB | One-disk fault tolerance; rebuild and second-failure risk must be considered |
| RAID 6 | Approximately 24 TB | Two-disk fault tolerance; sacrifices more capacity for resilience |
| RAID 10 | Approximately 24 TB | Mirrored pairs with strong performance and rebuild behavior; usable capacity is roughly half |
Manufacturer disk capacity is decimal, while operating systems often display a smaller binary figure. NAS systems also reserve space for system partitions, filesystem metadata, snapshots, checksums, and safety margins. Size production storage and backup storage separately: a 40 TB usable production volume may need substantially more backup capacity once version history, deleted-file retention, surveillance, and recovery staging are included.
Which RAID level is safest for a business NAS?
RAID 6 is generally the more conservative choice for larger arrays or high-capacity disks, RAID 5 is a capacity-efficient choice for some smaller four-bay deployments, RAID 10 favors performance and rebuild behavior, and RAID 1 is the simple two-disk mirror.
- RAID 1: Mirrors two disks and tolerates one disk failure, but provides roughly 50% raw-capacity efficiency.
- RAID 5: Uses parity and tolerates one disk failure; usable capacity is approximately the number of disks minus one, before overhead.
- RAID 6: Uses dual parity and tolerates two disk failures, making it more attractive as arrays and disks become larger.
- RAID 10: Combines mirroring and striping, usually providing strong performance and rebuild behavior at roughly half the raw capacity.
- Hybrid RAID: Vendor-specific layouts can simplify mixed-disk management or expansion, but they increase platform lock-in.
- ZFS-based storage: ZFS can provide checksums, snapshots, scrubbing, and integrity-oriented features, but usually requires more memory and administration.
RAID is not a backup. RAID does not protect against ransomware, accidental deletion, malicious users, fire, flood, theft, NAS motherboard failure, corrupted files replicated across the array, or an administrator deleting the wrong volume.
Is 2.5GbE or 10GbE better for a small business NAS?
2.5GbE is the best practical networking upgrade for many small businesses in 2026, while 10GbE is worthwhile for simultaneous large-file transfers, video, CAD, photography, fast SSD storage, or demanding backup windows.
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| Network | Theoretical link rate | Good fit | What it requires |
|---|---|---|---|
| 1GbE | 125 MB/s | Light documents and a few users | Standard gigabit switch and client ports |
| 2.5GbE | More than 1GbE without a full 10GbE build-out | Most small offices, shared files, and faster backups | Compatible NAS, switch ports, and client adapters |
| 10GbE | Much higher bandwidth for suitable workloads | Several simultaneous large transfers, video, CAD, and fast arrays | NAS port or adapter, switch, client NICs, cabling, and storage fast enough to supply it |
1GbE’s theoretical maximum is 125 MB/s, so it can bottleneck large backups and media files. The DS925+ includes two 2.5GbE ports, and the QNAP TS-464 includes dual 2.5GbE with port-trunking support. A faster port does not automatically make a NAS faster: a single hard disk, slow client, inadequate switch, or poorly configured SMB connection can remain the limiting factor.
Do not buy 10GbE solely because a NAS supports it. Calculate the complete path from disk to NAS port, switch, cable, client adapter, and application. Dual 2.5GbE is often less expensive and easier to deploy across a small office.
What backup and recovery features should a business NAS have?
A business NAS should provide centralized endpoint backup, file and system recovery, NAS-to-NAS or cloud replication, snapshots, and a tested restore process. Backup software is often more important than a faster processor.
Use a practical 3-2-1 backup plan
- Keep three copies of important data.
- Use two different storage media or systems, such as the NAS plus external disks or cloud storage.
- Keep one copy off-site or offline.
For ransomware-sensitive data, add immutable or tamper-resistant snapshots where supported, separate backup credentials that ordinary NAS users cannot use to delete backups, MFA, and an offline or disconnected copy. Ordinary snapshots are useful for quick recovery but do not guarantee recovery if an attacker gains administrative access and deletes them.
Synology’s Active Backup for Business is designed for PCs, virtual machines, physical servers, and file servers on compatible current Plus-series systems. QNAP promotes Hybrid Backup Sync and snapshots for backup and ransomware-resilience workflows. The business should test file-level restoration, complete-device restoration, and recovery from an unavailable NAS rather than assuming that a completed backup job proves recoverability.
How should a small business secure a NAS?
Secure a NAS by limiting exposure, separating administrator accounts, enabling MFA, applying updates, restricting permissions, and maintaining backups that an ordinary NAS compromise cannot erase. No vendor should be described as universally secure because configuration, internet exposure, patching, permissions, and recovery design determine practical risk.
Rank #4
- Value NAS with RAID for centralized storage and backup for all your devices. Check out the LS 700 for enhanced features, cloud capabilities, macOS 26, and up to 7x faster performance than the LS 200.
- Connect the LinkStation to your router and enjoy shared network storage for your devices. The NAS is compatible with Windows and macOS*, and Buffalo's US-based support is on-hand 24/7 for installation walkthroughs. *Only for macOS 15 (Sequoia) and earlier. For macOS 26, check out our LS 700 series.
- Subscription-Free Personal Cloud – Store, back up, and manage all your videos, music, and photos and access them anytime without paying any monthly fees.
- Storage Purpose-Built for Data Security – A NAS designed to keep your data safe, the LS200 features a closed system to reduce vulnerabilities from 3rd party apps and SSL encryption for secure file transfers.
- Back Up Multiple Computers & Devices – NAS Navigator management utility and PC backup software included. NAS Navigator 2 for macOS 15 and earlier. You can set up automated backups of data on your computers.
- Do not expose the NAS administration interface directly to the public internet.
- Prefer a VPN, zero-trust access layer, or suitable vendor relay for remote access.
- Use separate administrator and everyday accounts.
- Enable MFA or passkeys where the platform and workflow support them.
- Use groups and least-privilege shared-folder permissions.
- Enable audit logs and automatic blocking of repeated login attempts where available.
- Disable unused services and close unused ports.
- Keep NAS firmware, applications, and client operating systems patched.
- Protect backup destinations with separate credentials and immutable or offline copies.
Remote access may be much slower than local access. Remote performance depends on office upload speed, the remote user’s download speed, VPN encryption overhead, file size, simultaneous users, and internet reliability. A NAS can be excellent for local files while disappointing remote users on a slow business uplink.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which filesystem and data-integrity features matter?
Btrfs and ZFS can add checksums, snapshots, scrubbing, and integrity-oriented recovery features, while ext4 is a simpler general-purpose option; the best filesystem depends on the vendor implementation, memory, applications, and recovery skills available.
| Technology | Practical business value | Trade-off |
|---|---|---|
| ext4 | Broadly understood, mature, and relatively simple | Fewer integrated integrity and snapshot features than some alternatives |
| Btrfs | Checksums, snapshots, compression, and business backup compatibility on supported systems | Feature availability and behavior depend on the NAS model and vendor implementation |
| ZFS or QuTS hero | Checksums, scrubbing, snapshots, and WORM or retention-oriented features where supported | More memory and administration planning; model and firmware support are specific |
| Vendor-specific RAID | Can simplify expansion and mixed-disk management | Migration and platform lock-in can be greater |
QNAP states that QuTS hero can provide ZFS data-integrity and WORM capabilities and that the TS-464 can switch from QTS to QuTS hero beginning with QTS 5.2.1. Treat that as a TS-464- and version-specific capability, not a feature of every QNAP NAS.
How important are CPU, RAM, and SSD cache?
For ordinary file storage, network speed, disk layout, backup software, filesystem, RAM, and snapshot workload usually matter more than the fastest available CPU. More CPU and memory become important for containers, virtual machines, databases, encryption, search indexing, surveillance, video processing, and many simultaneous connections.
SSD cache is not automatically beneficial. SSD cache may help random access, metadata-heavy workloads, virtual machines, databases, and frequently accessed small files. SSD cache may provide little benefit for large sequential transfers, a small office, or a workload limited by 1GbE or 2.5GbE. Measure the workload before paying for NVMe drives.
Do not use media transcoding as a primary business-NAS criterion unless the business genuinely needs it. A NAS that transcodes video well is not necessarily the NAS that restores an employee’s laptop quickly or makes permissions easy to audit.
What drives and accessories does a business NAS require?
Budget for the diskless chassis plus NAS-rated CMR disks, a UPS, networking, backup storage, and at least one replacement strategy. The advertised NAS price is only the first part of the deployment cost.
Drive checklist
- Prefer NAS-rated CMR hard disks for general business storage; avoid assuming that every consumer disk is appropriate.
- Consider enterprise HDDs or SATA SSDs when workload, endurance, support, or sustained write behavior justifies the additional cost.
- Check whether the exact model and firmware accept third-party disks and what alerts or support limitations apply.
- Confirm the vendor compatibility list before buying a large batch.
- Enable drive-health monitoring and plan for a spare or rapidly available replacement disk.
- Do not assume an NVMe drive is suitable for cache or a storage pool without checking the exact compatibility guidance.
Other required or strongly recommended purchases
- UPS with USB or network-controlled NAS shutdown.
- 2.5GbE switch and client adapters, or a complete 10GbE path when justified.
- External USB backup disks, a second NAS, or cloud backup storage.
- Replacement disk or cold spare.
- Locking cabinet, shelf, or suitable protected location.
- Extended warranty, support contract, managed setup, or recovery-testing assistance when downtime is expensive.
Check the total cost of ownership, including paid backup or surveillance licenses, expansion hardware, additional RAM, networking adapters, electricity, support, and administrator time. A lower-cost chassis can become more expensive when it needs extra software and more manual maintenance.
How much does a small-business NAS cost?
There is no reliable single 2026 price for a complete small-business NAS because chassis, disks, expansion units, networking, backup storage, and regional availability fluctuate. The research surfaced approximate diskless market signals of about $500 for the QNAP TS-464, about $600 for the Synology DS925+ and TerraMaster F6-424 Pro, about $650 for the QNAP TS-664, and about $700 for an older Synology DS1522+ comparison entry. SpeedTestHQ reported those figures as rough 2026 signals, not verified official US retail prices; see its small-business NAS comparison. Recheck prices immediately before publication or purchase.
A realistic first-year budget should be calculated as:
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- Your Personal Streaming Server - Build your own Netflix-style media library and stream 4K movies, shows and photos to any device without monthly fees
- Create Your Own Cloud - Store your entire photo, video and music collection; access from anywhere with fast 282 MB/s transfer speeds
- Creator-Grade Backup Solution - Protect your irreplaceable content with automated backups to cloud services, external drives and remote NAS
- Multi-Layered Data Protection - Combine RAID redundancy, automated backups and snapshot technology to prevent data loss from any cause
- Smart Home Surveillance - Support up to 30 IP cameras with AI detection, instant alerts and secure remote monitoring
NAS chassis + primary disks + backup disks or cloud storage + UPS + switch and adapters + licenses or support + optional expansion + setup and recovery testing.
Keep the diskless chassis price separate from the drive-included bundle price, distinguish sale price from normal price, and identify the country, tax treatment, shipping, retailer, and date. Never budget only for usable primary storage while ignoring the capacity required for snapshots and backup versions.
How should you set up a business NAS?
- Install suitable disks: Use matching or approved CMR drives and record serial numbers and warranty details.
- Update firmware: Apply current firmware and application updates before placing production data on the NAS.
- Create separate accounts: Use separate administrator and everyday accounts; do not share administrator credentials.
- Enable MFA: Apply MFA to administrative and remote-access accounts where supported.
- Build permissions: Create groups and least-privilege shared folders rather than granting broad access to everyone.
- Choose the storage layout: Select RAID and filesystem based on capacity, disk size, rebuild exposure, integrity requirements, and recovery skills.
- Configure snapshots: Set retention based on the value of quick recovery and protect snapshots where immutable retention is available.
- Configure endpoint backup: Back up Windows and macOS computers, servers, and virtual machines that contain business data.
- Add off-site or offline backup: Maintain a copy that cannot be erased by ordinary NAS credentials or a single ransomware incident.
- Connect the UPS: Configure automatic safe shutdown and test power-loss behavior.
- Restrict remote access: Prefer VPN or an appropriate zero-trust design and disable unused services.
- Test restoration: Restore individual files, a complete computer, and data after simulated NAS unavailability.
- Document recovery: Store recovery credentials, encryption keys, network details, backup locations, and step-by-step procedures securely.
When should a business not buy a NAS?
A business should consider cloud storage, managed backup, a conventional server, or a hybrid system instead of a desktop NAS when the workload requires high availability, major databases, enterprise compliance, continuous multi-site replication, hundreds of users, or 24/7 specialist support.
A NAS also does not automatically replace Microsoft 365 or Google Workspace. Cloud productivity platforms provide collaboration, real-time editing, document versioning, legal-hold, and e-discovery workflows that a local file share may not reproduce. A hybrid design can use cloud applications for collaboration while the NAS provides local backup, archive storage, or a controlled file repository.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Choose a rackmount or higher-end ZFS or enterprise NAS when downtime has a measurable financial cost, compliance or retention obligations apply, the system is a primary production platform, or the business needs ECC memory, redundant power supplies, stronger support, virtualization, or multiple expansion shelves.
Final buying decision
- Choose Synology DS925+: You want the easiest complete business package for shared files, endpoint backup, snapshots, and remote administration.
- Choose Synology DS1525+: You expect growth, need five bays now, or want an optional path to 10GbE and as many as 15 drives.
- Choose QNAP TS-464: You have technical administration capacity and value PCIe expansion, M.2, virtualization, and application flexibility.
- Choose TerraMaster or ASUSTOR: You prioritize six-bay capacity and hardware value, and you have verified the exact platform’s backup tools, support, drive policies, and required applications.
- Choose a higher-end or non-NAS solution: You need high availability, large databases, serious virtualization, enterprise retention, hundreds of users, or guaranteed specialist support.
The most important purchase is not the NAS chassis alone. Select enough bays and usable capacity for growth, connect the system to a UPS, secure remote access, and prove that an off-site or offline backup can restore the business before trusting the NAS with production data.
Frequently Asked Questions
Is a NAS worth it for a small business?
A NAS is worth it for a small business that needs centralized file storage, workstation backup, local recovery, controlled permissions, or surveillance retention. A NAS is not worth using as the only copy of business data and may be the wrong choice when the business needs high availability, specialist support, or a cloud collaboration platform rather than local storage.
Is a two-bay or four-bay NAS better for a small business?
A four-bay NAS is better for many small businesses because it supports more flexible RAID layouts, provides more usable capacity, and leaves more room for disk replacement and growth. A two-bay NAS is reasonable only for modest data volumes where RAID 1 and a separate backup target are acceptable.
Does RAID protect a business from ransomware?
RAID does not protect a business from ransomware. RAID protects availability against certain disk failures, but ransomware, accidental deletion, malicious administrators, theft, fire, motherboard failure, and corrupted files can affect every disk; use snapshots plus separate off-site or offline backups.
Can a NAS replace Microsoft 365 or Google Workspace?
A NAS generally cannot replace all Microsoft 365 or Google Workspace collaboration features. Cloud platforms provide real-time co-authoring, document versioning, legal hold, and e-discovery workflows that a local NAS may not reproduce, so many businesses should use a hybrid storage and backup strategy.
Do I need 10GbE for a small-business NAS?
Most small businesses do not need 10GbE immediately; dual 2.5GbE is often the more practical upgrade from 1GbE. Ten-gigabit networking becomes worthwhile for several simultaneous large-file transfers, video or CAD workloads, fast SSD storage, or demanding backup windows, provided the NAS, switch, clients, cabling, and disk array all support the path.
The Bottom Line
Bottom line: Buy the Synology DS925+ for the simplest strong default, the DS1525+ when growth justifies five bays, or the QNAP TS-464 when hardware flexibility matters more than turnkey administration. Whichever model you choose, spend as much attention on 3-2-1 backup, UPS protection, permissions, remote-access security, and restore testing as on the NAS hardware.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
