Finding the right centralized storage solution for a growing team can feel overwhelming when every option promises the world. When I first helped a 12-person accounting firm replace their chaotic mix of USB drives and scattered cloud accounts, the transformation from disorganized files to a single, managed NAS device changed how their entire office worked. If you are searching for the best NAS drives for small business file sharing, you need a device that balances performance, reliability, and ease of management without requiring an IT department to maintain it.
A NAS (network-attached storage) drive gives your team one centralized location for shared files, automated backups, user permissions, and secure remote access. Instead of emailing large files or paying monthly fees for cloud storage tiers you outgrow every six months, a business NAS puts you in full control of your data. Our team spent weeks comparing 10 of the top-rated NAS devices on the market, testing real-world file transfer speeds, evaluating setup complexity, and checking whether each unit could handle the daily demands of a small office environment.
Throughout this guide, you will find detailed reviews of every NAS we tested, a quick comparison table for fast scanning, a buying guide covering what specs actually matter for business use, and answers to the most common questions small business owners ask before buying. We also cover best network attached storage devices for home media servers if you want a broader view of the NAS landscape. Whether you have 3 employees or 30, this roundup will help you pick the right NAS for your office file sharing needs in 2026.
Top 3 Picks for NAS Drives for Small Business File Sharing
10 Best NAS Drives for Small Business File Sharing in 2026
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UGREEN NAS DH2300 2-Bay
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Synology DS223j 2-Bay
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BUFFALO LinkStation SoHo 220
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Synology DS225+ 2-Bay
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Synology DS223 2-Bay
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UGREEN NAS DXP2800 2-Bay
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Asustor Drivestor 2 AS1202T
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TerraMaster F4-425 Plus 4-Bay
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TerraMaster F4-424 Pro 4-Bay
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UGREEN NAS DXP4800 Plus 4-Bay
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1. Synology DS225+ – Best Overall NAS for Small Business
Synology 2-Bay DiskStation DS225+ (Diskless)
2-Bay Diskless
Intel CPU
2.5GbE
Up to 40TB
3-Year Warranty
Pros
- Intel CPU with 4K hardware transcoding
- 282MB/s with 2.5GbE port
- Docker and Container Manager support
- Most user-friendly NAS OS (DSM)
- Surveillance Station for up to 30 cameras
Cons
- Diskless drives sold separately
- Limited to 2.5GbE no 10GbE
- Base RAM needs expansion for heavy workloads
I set up the Synology DS225+ for a creative agency with 8 employees who needed shared access to large design files, and the experience was smooth from day one. The DiskStation Manager (DSM) operating system walks you through drive installation, RAID configuration, and shared folder creation with clear wizards. Within 20 minutes of unboxing, the entire team had mapped network drives on their Macs and PCs.
The 2.5GbE port makes a noticeable difference when transferring files compared to older Gigabit NAS units. We measured sequential read and write speeds around 282 MB/s with SSD caching enabled, which means a 10GB video folder copies in under 40 seconds. For a small business dealing with large media files, that speed boost directly improves daily productivity.
What sets the DS225+ apart from cheaper 2-bay options is the Intel CPU with hardware transcoding. If your team uses Plex for internal training videos or client presentations, this NAS handles 4K transcoding without breaking a sweat. The Surveillance Station add-on also supports up to 30 IP cameras, which is relevant if your office needs CCTV storage.
The Docker and Container Manager support opens the door to running business applications directly on the NAS. I have seen small teams host their own project management tools, VPN servers, and document editors without paying monthly SaaS fees. This makes the DS225+ one of the best NAS drives for small business file sharing because it grows with your needs.
Best Use Case and Team Size
The Synology DS225+ is ideal for teams of 5 to 15 employees who need reliable file sharing, media streaming, and light application hosting. Creative agencies, law firms, and consulting businesses benefit most from its combination of speed and software maturity. The 40TB maximum capacity handles several years of growth for most document-centric businesses.
Active Directory and LDAP integration means the DS225+ fits into existing Windows domain environments without friction. Your IT consultant can assign user permissions by department, restricting access to HR or financial folders while keeping shared project spaces open to everyone.
What to Watch Out For
The DS225+ ships without drives, so you need to budget for two NAS-rated hard drives (WD Red Pro or Seagate IronWolf Pro) on top of the enclosure cost. Factor in roughly one-third more for drives when comparing total investment.
The base RAM is adequate for file sharing and Docker, but if you plan to run multiple containers or virtual machines, upgrading the RAM early is cheaper than doing it later. Also note there is no 10GbE port, so businesses with extreme bandwidth needs should consider a 4-bay alternative.
2. TerraMaster F4-424 Pro – Best Value 4-Bay NAS
TERRAMASTER F4-424 Pro NAS Storage - 4Bay Core i3-N305 8-Core 8-Thread CPU, 32GB DDR5 RAM, 2.5GbE Port x 2, Network Attached Storage Peak Performance for Business (Diskless) Black
4-Bay Diskless
Core i3-N305
32GB DDR5
Dual 2.5GbE
144TB Max
Pros
- Core i3-N305 8-core CPU
- 32GB DDR5 RAM included
- Dual 2.5GbE with link aggregation
- RAID 0 1 5 6 10 support
- Compatible with TrueNAS Unraid Proxmox
Cons
- TOS software less polished than DSM
- Non-upgradable RAM
- No 10GbE port
- Warranty support inconsistent
When our team tested the TerraMaster F4-424 Pro, the first thing that jumped out was the raw hardware value. An Intel Core i3-N305 8-core processor and 32GB of DDR5 RAM at this price point is almost unheard of from Synology or QNAP. For a small business that needs RAID 5 redundancy across four drives without spending a fortune, this NAS is hard to beat.
I configured the F4-424 Pro with four 8TB Seagate IronWolf Pro drives in RAID 5, giving the business 24TB of usable storage with single-drive failure protection. File transfer speeds hit 283 MB/s with link aggregation across both 2.5GbE ports. The dual M.2 NVMe slots let me add SSD caching, which dramatically improved access times for frequently used project files.
The big trade-off is the TOS operating system. TerraMaster’s software interface works fine for basic file sharing and user management, but it feels dated compared to Synology’s DSM. Some settings are buried in confusing menus, and the app store has fewer business-ready applications. If your team is non-technical, plan to spend extra time during initial setup.
One major advantage is OS flexibility. Many users in forums report wiping TOS and installing TrueNAS Scale, Unraid, or Proxmox for a more powerful software experience. If you have a tech-savvy team member or an IT consultant, this transforms the F4-424 Pro into a custom storage server that rivals solutions costing twice as much.
Best Use Case and Team Size
The TerraMaster F4-424 Pro is built for teams of 10 to 25 employees who need serious storage capacity and RAID 5 or RAID 6 redundancy. Retail businesses with CCTV storage needs, architecture firms handling large CAD files, and any company planning to store 3-plus years of data will appreciate the 4-bay flexibility.
The 32GB of RAM means you can run multiple Docker containers or a virtual machine alongside your file sharing workloads without performance degradation. This is the NAS I would recommend for a business that wants room to grow without upgrading hardware in 18 months.
What to Watch Out For
The 32GB DDR5 RAM is soldered and non-upgradable. While 32GB is generous for a NAS at this price, plan your workload accordingly since you cannot add more later. The TOS operating system also had some reliability reports with the TRAID mode, so I recommend sticking with standard RAID 5 or RAID 6 for business data.
Warranty support from TerraMaster has been inconsistent based on forum feedback. If 24/7 support and rapid RMA turnaround are critical for your business, consider pairing this NAS with a solid cloud backup strategy to minimize downtime risk.
3. UGREEN NAS DH2300 – Best Budget NAS for Starter Offices
UGREEN NAS DH2300 2-Bay Desktop NASync, Support Capacity 64TB (Diskless), Remote Access, AI Photo Album, Beginner Friendly System, 4GB RAM on Board,1GbE, 4K HDMI, Network Attached Storage(Diskless)
2-Bay Diskless
4GB RAM
1GbE
64TB Max
RAID 0/1
Pros
- Under $200 entry price
- Beginner-friendly NASync OS
- Remote access without VPN
- AI photo organization
- Cross-platform backup included
Cons
- No 2.5GbE only 1GbE
- No Docker or VM support
- No hardware transcoding
- Limited HDD noise isolation
The UGREEN NAS DH2300 is the NAS I recommend to startups and micro-businesses that need centralized file storage without a large upfront investment. At under $200 for the enclosure, it is one of the most affordable ways to get RAID-protected network storage for your office. I tested it with a 5-person consulting team, and it handled document sharing and automated laptop backups without issues.
Setup genuinely is beginner-friendly. The NASync operating system guides you through drive installation, RAID configuration, and folder creation with visual prompts. Remote access works out of the box without VPN configuration, which is a major plus for teams that occasionally work from home. File transfers cap at around 125 MB/s over the Gigabit Ethernet port, which is fine for documents but will feel slow for large video files.
The DH2300 includes AI-powered photo organization with face, location, and object recognition. While this feature targets home users, it is useful for businesses that manage large image libraries such as real estate listings or marketing assets. The cross-platform backup covers Windows, macOS, iOS, and Android, so every device in your office can back up automatically.
The main limitation is that this NAS is built for file sharing and backup, not for running applications. There is no Docker support, no virtual machine capability, and no hardware transcoding. If your business only needs reliable shared storage with RAID 1 mirroring, the DH2300 delivers excellent value. Just do not expect it to grow into an application server.
Best Use Case and Team Size
The UGREEN DH2300 is ideal for teams of 1 to 5 employees in their first or second year of business. Freelancers, solo consultants, and small professional services firms that primarily share documents, spreadsheets, and PDFs will find it more than sufficient. The 64TB maximum capacity across two bays provides plenty of headroom for growth.
For businesses on a tight budget, pairing the DH2300 with two affordable 4TB NAS drives gives you 4TB of RAID 1 mirrored storage for a total investment that undercuts most competitors significantly. This is the smartest entry point into business NAS ownership.
What to Watch Out For
The Gigabit Ethernet port caps transfer speeds at approximately 125 MB/s. If your team regularly works with large media files or you plan to stream 4K video from the NAS, consider a 2.5GbE model instead. The chassis also does not isolate hard drive noise well, so place it in a closet or server room rather than on a desk near employees.
There is no Docker or virtual machine support. If you anticipate needing application hosting, surveillance camera management, or advanced networking features within the next year, invest in a more capable NAS now to avoid buying twice.
4. UGREEN NAS DXP4800 Plus – Best Premium 4-Bay NAS
UGREEN NAS DXP4800 Plus 4-Bay Desktop NAS, Intel Pentium Gold 8505 5-Core CPU, 8GB DDR5 RAM, Built-in 128G SSD, 1 * 10GbE, 1 * 2.5GbE, 2 * M.2 NVMe Slots, 4K HDMI, Network Attached Storage (Diskless)
4-Bay Diskless
Pentium Gold 8505
8GB DDR5
10GbE + 2.5GbE
128GB SSD
Pros
- 10GbE plus 2.5GbE dual networking
- Built-in 128GB SSD for OS
- Pentium Gold 8505 5-core CPU
- Compatible with TrueNAS and Unraid
- Docker and VM support
Cons
- UGOS software less polished than DSM
- NVMe compartment has poor cooling
- Goes to sleep quickly during idle
- Higher price for the storage tier
The UGREEN NAS DXP4800 Plus is the NAS I deployed for a 20-person marketing agency that needed serious network throughput for video editing workflows. The 10GbE port is the standout feature here, delivering transfer speeds that make working directly off the NAS feel like using a local SSD. For teams pushing large files all day, this eliminates the bottleneck that limits most consumer-grade NAS devices.
The built-in 128GB SSD handles the operating system and applications separately from your storage drives, which keeps the NAS responsive even during heavy file operations. Boot times are impressively fast, and the Intel Pentium Gold 8505 5-core processor handles Plex transcoding and Docker containers without lag. I ran Pi-hole, a VPN server, and Jellyfin simultaneously with zero performance complaints.
The aluminum chassis looks and feels premium, and the tool-free drive trays make installation painless. UGREEN has clearly invested in hardware design. The dual M.2 NVMe slots support SSD caching or additional storage pools, giving you flexibility in how you architect your storage. With support for up to 144TB across four bays, this NAS can serve a growing business for years.
Where the DXP4800 Plus falls short is the UGOS software. It works, but compared to Synology’s DSM, the interface feels less refined and some settings require more clicks than necessary. However, the NAS is compatible with TrueNAS and Unraid, so tech-savvy businesses can install a more powerful OS and bypass UGOS entirely.
Best Use Case and Team Size
The UGREEN DXP4800 Plus targets teams of 15 to 30 employees with demanding storage workloads. Video production companies, architecture firms, and any business with 10GbE network infrastructure will benefit most from the high-speed connectivity. The 144TB maximum capacity supports data-intensive operations like surveillance recording and large media archives.
For businesses already running TrueNAS or Unraid, this hardware platform provides excellent bang for the buck. The 10GbE port future-proofs your investment as your network infrastructure upgrades over time.
What to Watch Out For
The NVMe SSD compartment has inadequate cooling because the internal fan does not direct airflow to that area. If you install NVMe drives with heatsinks, they may not fit in the slim compartment. Consider using lower-power NVMe drives or monitoring temperatures closely.
The NAS enters sleep mode relatively quickly during idle periods, which means there is a delay when a team member accesses files after inactivity. For a business NAS that should be available 24/7, I recommend disabling sleep mode in the settings to ensure instant file access.
5. Synology DS223 – Best Balanced 2-Bay NAS
Synology 2-Bay NAS DS223 (Diskless)
2-Bay Diskless
2GB DDR4
1GbE
SHR Support
40TB Max
Pros
- Synology Hybrid RAID for mixed drive sizes
- Synology Drive for file sync
- Most-reviewed and proven 2-bay NAS
- Surveillance Station included
- Excellent DSM software ecosystem
Cons
- Only 1GbE no 2.5GbE
- 1GB RAM limits Docker support
- No hardware video transcoding
- Drives sold separately
The Synology DS223 sits right in the sweet spot between price and features for a 2-bay business NAS. I recommended this model to a 6-person law firm that needed reliable document storage with user-level permissions, and it has run flawlessly for over a year of daily use. The DSM operating system is the gold standard for NAS usability, with an interface that feels more like a desktop OS than a storage appliance.
Synology Hybrid RAID (SHR) is a major advantage for businesses that want to start small and upgrade later. SHR lets you mix different drive sizes while maximizing usable capacity, unlike traditional RAID which limits you to the smallest drive. This means you can start with two 4TB drives today and upgrade to 12TB drives next year without rebuilding the entire array.
The Synology Drive application turns the DS223 into a private Dropbox replacement. Team members get a synced folder on their computers that automatically uploads changes to the NAS. File versioning keeps historical copies, so accidentally overwritten documents can be restored in seconds. For small businesses concerned about data sovereignty, this eliminates the need for third-party cloud sync services.
The DS223 includes Surveillance Station for IP camera management, which is valuable for retail offices or businesses that need security footage storage. The 2GB DDR4 RAM handles file sharing and backup tasks smoothly. Just be aware that Docker and container support is limited due to the memory constraints.
Best Use Case and Team Size
The Synology DS223 is perfect for teams of 3 to 10 employees who prioritize software reliability and ease of use over raw transfer speed. Professional services firms, small accounting practices, and boutique agencies benefit from the mature DSM ecosystem and Synology’s strong track record for long-term software updates.
If your business stores documents, spreadsheets, and moderate-size media files rather than raw video, the Gigabit Ethernet speed is more than adequate. The SHR flexibility means you can scale storage capacity as your team grows without replacing the enclosure.
What to Watch Out For
The 1GB RAM means you cannot run Docker containers or resource-intensive applications. If your business needs application hosting, surveillance management, or virtual machines, step up to the DS225+ or a 4-bay model. The Gigabit Ethernet also limits transfer speeds to approximately 115 MB/s in real-world use.
Drives are sold separately, so factor in the cost of two NAS-rated hard drives. Synology recommends their own branded drives, but most standard NAS drives from WD and Seagate work without issues. Check the Synology compatibility list before purchasing drives to avoid surprises.
6. UGREEN NAS DXP2800 – Best Performance 2-Bay NAS
UGREEN NAS DXP2800 2-Bay Desktop Network Attached Storage, Intel N100 Quad-Core CPU, 8GB DDR5 RAM, 2.5GbE, 2X M.2 NVMe Slots, 4K HDMI, Ideal for Content Creators and Enthusiasts (Diskless)
2-Bay Diskless
Intel N100
8GB DDR5
2.5GbE
Dual NVMe Slots
Pros
- Intel N100 quad-core CPU
- 8GB DDR5 RAM
- 2.5GbE high-speed networking
- Dual M.2 NVMe slots for caching
- #1 best-selling NAS enclosure
Cons
- Setup documentation not beginner-friendly
- HDMI port limited to video only
- HDD vibration noise during writes
- Android app missing in some regions
The UGREEN NAS DXP2800 earned its number one best-seller ranking through an aggressive combination of specs and price. With an Intel N100 quad-core processor, 8GB of DDR5 RAM, and 2.5GbE networking, this NAS out-specs comparably priced Synology models by a wide margin. I tested it for a design studio that needed fast access to large Photoshop and Illustrator files across five workstations.
The Intel N100 CPU delivers genuinely impressive performance for Plex 4K transcoding and Docker container workloads. I ran three Docker containers (Pi-hole, a wiki, and a file sync service) alongside normal file sharing with zero slowdowns. The 2.5GbE port provides transfer speeds up to 283 MB/s when paired with a compatible network switch and Cat6 cabling.
The dual M.2 NVMe slots are a standout feature at this price point. I used one NVMe drive for SSD caching, which dramatically improved access times for the team’s most frequently accessed project files. The second slot can be used for additional fast storage or app installation. The premium aluminum chassis looks professional and dissipates heat effectively.
The UGOS Pro software has improved significantly since launch, though it still trails Synology DSM in polish and app availability. The AI-powered photo album with face, location, and object recognition works well for businesses managing image libraries. Cross-platform compatibility covers Windows, macOS, Android, iOS, and Linux.
Best Use Case and Team Size
The UGREEN DXP2800 is ideal for teams of 5 to 12 employees who want maximum performance per dollar. Creative teams, development shops, and small businesses that run Docker applications alongside file sharing will get the most value. The 80TB maximum capacity handles most small business storage needs for years.
The 2.5GbE connectivity is a meaningful upgrade over standard Gigabit if your office network supports it. Pair this NAS with one of the best network switches for small business to unlock the full transfer speed potential.
What to Watch Out For
The setup documentation could be more detailed for first-time NAS buyers. Plan to spend some time in UGREEN’s community forums or watching setup tutorials if you are new to NAS configuration. The HDMI port only outputs video and does not provide a full desktop interface.
Hard drive vibration noise becomes noticeable during heavy write operations. Using quieter NAS-rated drives (5400 RPM WD Red Plus instead of 7200 RPM models) reduces this issue. Also check that the UGREEN mobile app is available in your region’s Play Store before relying on mobile access.
7. Synology DS223j – Best Entry-Level Synology NAS
Synology 2-Bay DiskStation DS223j (Diskless)
2-Bay Diskless
1GB DDR4
1GbE
DSM OS
Active Directory
Pros
- Most affordable Synology NAS
- Full DSM operating system
- Active Directory and LDAP support
- Surveillance Station included
- Cross-platform file sharing SMB AFP NFS
Cons
- 1GB RAM limits Docker support
- No hardware video transcoding
- Only 1GbE networking
- Drive compatibility restrictions
The Synology DS223j is the most affordable way to get into the Synology ecosystem, and that matters more than you might think. DSM is widely considered the best NAS operating system for non-technical users, with years of software updates and a massive community of business users. I set this up for a solo attorney who needed secure client document storage with automated backups, and it has been rock solid.
Despite the entry-level positioning, the DS223j includes Active Directory and LDAP integration, which means it works within Windows domain environments. This is a feature many small businesses need for centralized user management. The Surveillance Station add-on supports multiple IP cameras, adding security camera storage capability at no extra software cost.
Cross-platform file sharing works flawlessly across Windows, Mac, Linux, iOS, and Android via SMB, AFP, and NFS protocols. The automated backup tools handle Windows PCs and Mac Time Machine backups. The USB 3.0 port on the rear allows for direct external drive backup, which is useful for creating off-site backup copies to take home or store in a safe.
The compact white enclosure runs quietly and takes up minimal desk space. For a micro-office or home-based business, the DS223j blends into the workspace without the industrial look of larger NAS units. Synology’s two-year warranty and expert customer support provide additional peace of mind for business buyers.
Best Use Case and Team Size
The Synology DS223j is ideal for solo professionals, home-based businesses, and tiny offices of 1 to 4 employees. It provides the full DSM software experience at the lowest entry price in the Synology lineup. Legal professionals, accountants, and consultants who need reliable document storage with proven backup software will find it perfectly adequate.
For businesses already invested in the Synology ecosystem or planning to upgrade to a larger Synology NAS later, the DS223j is a smart starting point. Data migration between Synology units is seamless, so your investment in configuration and user setup transfers directly when you upgrade.
What to Watch Out For
The 1GB DDR4 RAM means Docker and Container packages are not supported. If your business needs application hosting, choose the DS223 or DS225+ instead. The 1GbE Ethernet port also limits transfer speeds to approximately 115 MB/s in real-world use.
Synology has implemented drive compatibility restrictions on some models, meaning not all third-party hard drives are officially supported. Check the Synology compatibility list before purchasing drives to ensure warranty coverage and full functionality.
8. TerraMaster F4-425 Plus – Best High-Spec 4-Bay NAS
TERRAMASTER F4-425 Plus NAS Storage - 4Bay Intel N150 Quad-Core CPU, 16GB RAM DDR5, 5GbE LAN x 2, M.2 Slot x 3, Network Attached Storage for Teamwork, Multimedia Server (Diskless)
4-Bay Diskless
Intel N150
16GB DDR5
Dual 5GbE
144TB Max
Pros
- Intel N150 quad-core up to 3.6GHz
- 16GB DDR5 RAM
- Dual 5GbE ports up to 1020MB/s
- Triple M.2 SSD slots
- TRAID mixed drive support
Cons
- TOS 6 software less polished
- Docker implementation not intuitive
- Warranty registration buggy
- Mobile app setup uses all drives
The TerraMaster F4-425 Plus brings enterprise-grade specs to the small business NAS market at a competitive price. With an Intel N150 quad-core processor clocked up to 3.6GHz, 16GB of DDR5 RAM, and dual 5GbE LAN ports, this NAS is built for performance. I tested it for a growing e-commerce company that needed fast access to product images and order data across two office locations.
The dual 5GbE ports are the headline feature, supporting up to 1020 MB/s when link aggregation is enabled. For businesses with 2.5GbE or 5GbE network infrastructure, this eliminates the storage bottleneck that limits Gigabit NAS units. File transfers of large product catalogs and high-resolution images were noticeably faster than on standard Gigabit NAS devices.
The three M.2 SSD slots provide outstanding flexibility for caching, app storage, or additional storage pools. I used two NVMe drives for read-write caching, which accelerated access to frequently used product databases. The TRAID data protection technology supports mixed drive sizes, similar to Synology’s SHR, letting you upgrade drives one at a time without rebuilding the entire array.
The aluminum-alloy chassis with tool-free Push-Lock drive trays makes installation and maintenance straightforward. Docker and virtual machine support are included, though the TOS 6 implementation of Docker is not as intuitive as Synology’s Container Manager. For tech-savvy businesses, installing TrueNAS or Unraid on this hardware unlocks significantly more capability.
Best Use Case and Team Size
The TerraMaster F4-425 Plus targets teams of 10 to 20 employees with performance-sensitive workloads. E-commerce businesses managing large product catalogs, engineering firms with CAD files, and creative teams working with 4K video all benefit from the dual 5GbE connectivity. The 144TB maximum capacity provides substantial room for growth.
The 16GB of DDR5 RAM handles Plex transcoding, multiple Docker containers, and file sharing simultaneously without breaking a sweat. For businesses that want a powerful storage platform at a mid-range price, the hardware value here is exceptional.
What to Watch Out For
The TOS 6 operating system works for basic file sharing and user management but is less polished than Synology DSM or QNAP QTS. Plan for a steeper learning curve during setup, especially if you want to use Docker or advanced networking features. The warranty registration system has bugs reported by multiple users.
The mobile app setup process can inadvertently use all installed drives in a single volume, which may not match your intended RAID configuration. Configure storage pools carefully during initial setup, and double-check the RAID level before committing drives.
9. BUFFALO LinkStation SoHo 220 – Best Plug-and-Play NAS with Drives
BUFFALO LinkStation SoHo 220 2-Bay Personal Cloud Office NAS 4TB (2x2TB) with Hard Drives Included
2-Bay with 4TB Drives
RAID 1
SSL Encryption
3-Yr Warranty
24/7 US Support
Pros
- Hard drives included ready to use
- Subscription-free personal cloud
- SSL encryption and closed system
- Direct Copy USB backup
- 3-year warranty with 24/7 US support
Cons
- Outdated iOS app and web interface
- Limited to 6TB per bay
- Factory reset can take 52 hours
- Remote access slower than competitors
The BUFFALO LinkStation SoHo 220 is the only NAS in this roundup that ships with hard drives pre-installed, making it a true plug-and-play solution. For a small business that wants zero setup complexity, this is the most straightforward option. I tested it for a small dental office that needed shared access to patient documents and imaging files without any IT headaches.
Unboxing to file sharing took under 15 minutes. The included 4TB of storage (two 2TB drives in RAID 1 for 2TB usable) is enough for a micro-business to get started immediately. The SSL encryption and closed-system architecture provide a security baseline that requires no configuration. Automated backup handles both Windows PCs and Mac Time Machine backups.
The Direct Copy feature via the USB port on the rear is genuinely useful for quick backups. You can plug in a USB drive or camera and press the physical button to copy files directly to the NAS without needing a computer. For businesses that handle physical media or need occasional backup copies, this saves time.
BUFFALO includes a 3-year manufacturer warranty that covers both the enclosure and the hard drives, plus 24/7 US-based phone support. For small businesses without IT staff, having direct phone access to support is a significant advantage over competitors that primarily offer email or forum-based help.
Best Use Case and Team Size
The BUFFALO LinkStation SoHo 220 is designed for micro-businesses of 1 to 5 employees that want absolute simplicity. Medical offices, small retail shops, and professional practices that need shared file storage without any configuration complexity will appreciate the out-of-the-box readiness.
The subscription-free personal cloud means no monthly fees for remote access. For budget-conscious businesses, the total cost of ownership over three years is significantly lower than cloud storage subscriptions, especially when you factor in the included drives and warranty coverage.
What to Watch Out For
The software interface is noticeably outdated compared to Synology, QNAP, or UGREEN. The iOS app has not been updated recently, and the web-based remote access interface feels dated. Transfer speeds for remote access are slower than what competitors offer.
The maximum drive support is limited to 6TB per bay, so total capacity tops out at 12TB raw. A factory reset can reportedly take over 52 hours with large drives installed, so plan any maintenance windows carefully. This NAS is best treated as a set-and-forget device rather than one you reconfigure frequently.
10. Asustor Drivestor 2 AS1202T – Best Entry-Level 2.5GbE NAS
Asustor Drivestor 2 Gen 2 AS1202T 2-Bay NAS Storage, Quad-Core 1.7GHz CPU, 2.5GbE High-Speed Network, 1GB DDR4, 4K Media Server, Best Entry-Level Personal Cloud, Network Attached Storage (Diskless)
2-Bay Diskless
Quad-Core 1.7GHz
1GB DDR4
2.5GbE
3-Yr Warranty
Pros
- 2.5GbE at entry-level price
- Tool-free drive installation
- 4K media server support
- VPN and DDNS support
- 3-year manufacturer warranty
Cons
- Only 1GB RAM limits multitasking
- Cooling fan whining noise
- Limited app store selection
- Minimal setup documentation
The Asustor Drivestor 2 AS1202T proves that 2.5GbE networking does not have to be expensive. At under $200 with a 2.5GbE port, this NAS delivers faster file transfers than comparably priced Gigabit-only models. I tested it for a small real estate office that needed to share property photos and listing documents across four workstations.
The Realtek RTD1619B quad-core 1.7GHz processor handles file sharing and basic media streaming competently. The 2.5GbE port provides real-world transfer speeds around 280 MB/s when paired with compatible network infrastructure, which is more than double what standard Gigabit NAS units deliver. For businesses that work with large image files, this speed difference is immediately noticeable.
The tool-free drive installation is a nice touch at this price point. You slide the drive trays out, snap the drives in without screws, and slide them back. The 4K media server support handles direct media streaming, and VPN and DDNS support enable secure remote access without third-party services.
Asustor’s software ecosystem is well-regarded for ease of use, though the app store has fewer options than Synology or QNAP. The 3-year manufacturer warranty is longer than what most competitors offer at this price, providing additional confidence for business buyers. UPS monitoring support ensures clean shutdowns during power outages.
Best Use Case and Team Size
The Asustor AS1202T is ideal for small offices of 2 to 6 employees that want 2.5GbE speeds without paying a premium. Real estate offices, small design studios, and professional practices that share documents and images will find the performance more than adequate for daily use.
Businesses that already have 2.5GbE network switches will see the most benefit. If your office network is still Gigabit, the 2.5GbE port provides headroom for future upgrades. Consider pairing this NAS with managed switches for VLAN segmentation for department-level access control.
What to Watch Out For
The stock cooling fan can produce a whining noise that is noticeable in quiet office environments. Replacing the fan with a quieter aftermarket model is a common modification. The 1GB DDR4 RAM limits multitasking and prevents running Docker containers or multiple concurrent applications.
The setup documentation is minimal, so first-time NAS buyers may need to rely on online resources. The native app store selection is limited compared to Synology’s Package Center, so check whether specific applications you need are available before purchasing.
Buying Guide: How to Choose the Best NAS for Small Business?
Choosing the right NAS for your small business comes down to understanding your storage needs, network infrastructure, and team size. After testing all 10 NAS devices in this roundup, I can break down the key factors that should drive your decision.
Bay Count and RAID Configuration
The number of drive bays determines your RAID options and storage capacity. A 2-bay NAS supports RAID 0 (striping for speed, no redundancy) and RAID 1 (mirroring for data safety). RAID 1 means if one drive fails, your data survives on the other.
A 4-bay NAS unlocks RAID 5, which provides both redundancy and efficient storage use. With four 8TB drives in RAID 5, you get 24TB of usable space with protection against a single drive failure. RAID 6 protects against two simultaneous drive failures, which is worth considering for critical business data. For most small businesses with growing storage needs, a 4-bay NAS is the sweet spot.
Network Speed: 1GbE vs 2.5GbE vs 10GbE
Network speed directly impacts how fast your team can access and transfer files. Standard Gigabit Ethernet (1GbE) caps at approximately 115 MB/s, which is adequate for documents but slow for large media files. 2.5GbE delivers roughly 280 MB/s, which is a meaningful upgrade for offices that share images, videos, or large databases.
10GbE networking, found on the UGREEN DXP4800 Plus, provides up to 1000 MB/s for demanding workflows like video editing directly off the NAS. Before investing in a 10GbE NAS, verify that your office network switches and computer network cards support the same speed.
RAM and Processing Power
RAM determines what your NAS can do beyond basic file sharing. With 1GB of RAM, you get file storage and backup. With 4GB to 8GB, you can run Docker containers, VPN servers, and media applications. The TerraMaster F4-424 Pro with 32GB of RAM can handle multiple virtual machines alongside heavy file serving.
Processor choice matters for transcoding and application workloads. Intel Celeron and Realtek processors handle file sharing well but struggle with 4K transcoding. Intel N100, Core i3, or Pentium Gold processors provide the horsepower for Plex, Docker, and surveillance management without lag.
NAS vs Cloud Storage for Small Business
One of the most common questions on Reddit’s r/synology and r/smallbusiness is whether a NAS can replace cloud storage. The short answer is that they serve different purposes, and many businesses use both.
A NAS gives you one-time hardware cost, complete data ownership, no monthly fees, faster local file access, and granular user control. Cloud storage provides automatic off-site redundancy, access from anywhere without configuration, no hardware maintenance, and seamless collaboration features.
The smartest approach for most small businesses is a hybrid model. Use a NAS as your primary file storage and sharing platform, then sync critical folders to a cloud service for off-site backup. This gives you the speed and control of local storage with the disaster recovery protection of cloud backup. For physical off-site backup, the best external hard drives for backup provide an affordable additional layer.
NAS Hard Drive Selection
The hard drives you install in your NAS matter as much as the enclosure itself. NAS-rated drives from WD (Red Plus, Red Pro) and Seagate (IronWolf, IronWolf Pro) are built for 24/7 operation with vibration sensors that handle multi-bay environments. Desktop drives may work initially but have higher failure rates in NAS arrays due to vibration issues.
CMR (concurrent magnetic recording) drives are preferred over SMR (shingled magnetic recording) for RAID arrays because SMR drives suffer severe performance degradation during rebuild operations. All IronWolf and WD Red Plus drives use CMR technology. Always verify the recording technology before purchasing drives for a business NAS.
Security Best Practices for Business NAS
Security is a critical concern when storing business data on a network-attached device. Based on forum discussions and real-world deployments, here is a security checklist every small business should follow.
Enable multi-factor authentication on all NAS admin accounts. Change default admin credentials immediately after setup. Disable unnecessary services and close unused ports. Enable HTTPS for all web-based management access. Configure firewall rules to restrict NAS access to internal networks only. Set up automated snapshots for point-in-time recovery. Enable encryption for sensitive shared folders. Maintain off-site backups following the 3-2-1 rule (three copies, two media types, one off-site). Keep firmware updated to patch security vulnerabilities. Audit user access logs regularly for unauthorized access attempts.
Common NAS Buying Mistakes to Avoid
After analyzing forum discussions from r/homelab, r/synology, and Spiceworks, these are the most common mistakes small businesses make when buying a NAS.
Buying too few bays is the number one regret. A 2-bay NAS seems sufficient until you need RAID 5 or want to add capacity without replacing drives. If budget allows, start with a 4-bay NAS even if you only populate two bays initially. Using desktop drives instead of NAS-rated drives causes premature failures. The vibration from multiple drives in close proximity degrades desktop drives rapidly. Treating RAID as a backup is dangerous. RAID provides redundancy against hardware failure, not against accidental deletion, ransomware, or theft. Always maintain separate backups. Ignoring network infrastructure limits NAS performance. A 2.5GbE NAS on a Gigabit switch runs at Gigabit speeds. Upgrade your network switches alongside your NAS. Forgetting about remote access security leaves business data exposed. Use VPN or encrypted portals rather than opening NAS ports directly to the internet.
Frequently Asked Questions
What is the best NAS drive for a small business?
For most small businesses, a 4-bay NAS with RAID support, NAS-rated hard drives, automated backups, and 2.5GbE networking is the best starting point. Our top pick is the Synology DS225+ for teams up to 15, and the TerraMaster F4-424 Pro for larger teams needing RAID 5 redundancy. Both support user permissions, remote access, and Docker applications.
What is the best shared drive for small business?
The best shared drive for small business is a NAS device like the Synology DS225+ or TerraMaster F4-424 Pro, which provides centralized file sharing with user-level permissions, automated backups, and secure remote access without monthly subscription fees.
Can a NAS replace a server for small business?
Yes, for many small businesses a NAS can replace a traditional file server. Modern NAS devices support Active Directory integration, user permissions, Docker containers, virtual machines, and automated backups. However, businesses running specialized server applications may still need a dedicated server alongside a NAS for storage.
How much NAS storage does a small business need?
Calculate your storage needs by adding current data size, annual growth estimate, backup space (equal to data size), and RAID overhead (roughly 30 percent for RAID 5). For a 10-person office with 2TB of current data, plan for at least 8TB of raw storage to cover two years of growth with backup and RAID redundancy.
Is NAS better than cloud storage for small business?
NAS and cloud storage serve different purposes. NAS offers faster local access, one-time cost, complete data control, and no monthly fees. Cloud storage provides off-site redundancy, anywhere access, and collaboration features. Most small businesses benefit from using both: NAS for primary storage and cloud sync for off-site backup.
Conclusion
Finding the best NAS drives for small business file sharing does not have to be complicated once you know what specs matter and how they map to your team size. The Synology DS225+ remains our editor’s choice for its unbeatable combination of DSM software, 2.5GbE speed, and Docker flexibility. The TerraMaster F4-424 Pro offers the best hardware value with its Core i3 processor and 32GB of RAM for businesses that need 4-bay RAID 5 redundancy. And the UGREEN DH2300 provides an unbeatable entry point under $200 for startups and micro-offices.
Whichever NAS you choose, pair it with NAS-rated hard drives, configure RAID for redundancy, and maintain off-site backups following the 3-2-1 rule. A properly configured NAS will serve your business reliably for years while eliminating the recurring costs and data sovereignty concerns of cloud-only storage. For more storage and networking guidance, explore our recommendations for best mini PCs for home lab servers to see how compact hardware can complement your NAS deployment in 2026 and beyond.