If you’re looking for the best 4-bay NAS options for small business in 2026, I’ve found top models like Synology’s DS925+ and RS422+, QNAP’s TS-464-8G and TS-453E-8G, along with budget-friendly choices like UGREEN’s 2-Bay and 4-Bay NAS and customizable DIY enclosures. These picks blend performance, security, and expandability to meet different needs. Keep exploring further, and you’ll discover detailed insights to choose the perfect storage solution for your business.
Key Takeaways
- Prioritize high-performance NAS models with fast read/write speeds (>500 MB/s) for seamless data handling.
- Consider budget-friendly, easy-to-use NAS solutions with flexible storage capacity and simple setup features.
- Evaluate security features like RAID, encryption, and multi-factor authentication for data protection.
- Ensure network compatibility with dual 1GbE or higher ports for fast, reliable connectivity.
- Look for scalable options with support for multiple drives, expansion, and future-proofing features.
| Synology 4-Bay DiskStation DS925+ (Diskless) |  | High-Performance Leader | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports drives per compatibility list | VIEW LATEST PRICE | See Our Full Breakdown |
| UGREEN 2-Bay NAS with 60TB Support and HDMI |  | User-Friendly Entry | Drive Bays: 2 bays (no drives included) | Diskless: Yes | Max Storage Support: Up to 60TB (with drives purchased separately) | VIEW LATEST PRICE | See Our Full Breakdown |
| 4-Bay DIY NAS Enclosure with Hot Swap Backplane |  | DIY Enthusiast | Drive Bays: 4+1 bays (supports 4 drives + internal bay) | Diskless: Yes | Max Storage Support: Supports multiple drives with expansion | VIEW LATEST PRICE | See Our Full Breakdown |
| Synology 4-Bay Rackmount NAS RackStation RS422+ (Diskless),Black |  | Rackmount Powerhouse | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
| QNAP TR-004 4-Bay USB-C NAS with RAID |  | Expandable Storage | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
| QNAP TS-464-8G NAS with Intel Celeron Processor |  | Budget Powerhouse | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
| TERRAMASTER F4-425 Plus NAS Storage (Diskless) |  | Advanced Features | Drive Bays: 4 bays (supports SSDs and HDDs) | Diskless: Yes | Max Storage Support: Supports 4 drives + SSD cache | VIEW LATEST PRICE | See Our Full Breakdown |
| UGREEN 4-Bay NAS with 120TB Support and AI Features |  | AI-Integrated | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 120TB (with drives added) | VIEW LATEST PRICE | See Our Full Breakdown |
| QNAP TS-433-4G-US 4-Bay NAS with Quad-core Processor |  | Home Office Ready | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
| Synology 4-Bay DiskStation DS423 (Diskless) |  | Secure Backup | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
| QNAP TS-453E-8G-US 4-Bay Desktop NAS |  | Cost-Effective Choice | Drive Bays: 4 bays (diskless) | Diskless: Yes | Max Storage Support: Supports 4 drives, capacity depends on drives | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
Synology 4-Bay DiskStation DS925+ (Diskless)
The Synology 4-Bay DiskStation DS925+ (Diskless) is an excellent choice for small businesses that need a flexible, high-performance NAS solution. Its support for drives on the official compatibility list means you can customize your storage easily. With up to 522/565 MB/s sequential read/write speeds, it ensures quick and reliable data transfers. Dual 2.5GbE ports provide fast network connections and added redundancy, boosting stability. The built-in features cover file and photo management, data protection, virtualization, and surveillance. Plus, it’s backed by a solid 3-year hardware warranty, giving you peace of mind for your investment.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports drives per compatibility list
- Network Ports:Dual 2.5GbE
- Compatibility/Support for Expansion:Supports virtualization, surveillance, flexible drives
- Security Features:Data protection, virtualization security
- Additional Feature:High sequential read/write speeds
- Additional Feature:Dual 2.5GbE network ports
- Additional Feature:Built-in file/photo management
UGREEN 2-Bay NAS with 60TB Support and HDMI
If you’re looking for an affordable, user-friendly NAS to handle personal storage needs, UGREEN’s 2-Bay NAS with 60TB support and HDMI stands out. It’s perfect for beginners needing simple, private storage for photos, videos, and backups. Supporting up to 60TB (with drives purchased separately), it offers fast transfers with a powerful processor and 4GB RAM. You get remote access, 4K HDMI output, and AI-powered photo management, all in an easy-to-use system. Its layered security and TÜV certification guarantee privacy and safety. Priced around $459.98, it’s a cost-effective alternative to cloud plans, especially for those moving away from scattered device storage.
- Drive Bays:2 bays (no drives included)
- Diskless:Yes
- Max Storage Support:Up to 60TB (with drives purchased separately)
- Network Ports:1GbE
- Compatibility/Support for Expansion:No expansion slots, simple storage
- Security Features:Layered security, encryption, 2FA
- Additional Feature:Supports up to 60TB capacity
- Additional Feature:AI-powered photo organization
- Additional Feature:HDMI output for media
4-Bay DIY NAS Enclosure with Hot Swap Backplane
A DIY NAS enclosure with a hot swap backplane is ideal for small businesses that need flexible, efficient storage solutions without sacrificing ease of maintenance. It supports a 4+1 bay configuration, with four trays for 2.5” or 3.5” drives and an internal 2.5” bay, perfect for expanding storage. Designed for Mini ITX motherboards, it offers front USB 3.0 ports and an 8cm fan for reliable cooling. Compatibility with Flex or 1U power supplies and support for PCI-e expansion allow customization. This enclosure maximizes expandability, simplifies drive replacement, and maintains peak performance—making it a versatile choice for private cloud and NAS setups.
- Drive Bays:4+1 bays (supports 4 drives + internal bay)
- Diskless:Yes
- Max Storage Support:Supports multiple drives with expansion
- Network Ports:No network ports (enclosure only)
- Compatibility/Support for Expansion:Supports PCIe expansion (1 slot), hot-swap drives
- Security Features:Physical security with lockable bays
- Additional Feature:Supports Mini ITX motherboards
- Additional Feature:Expandable with PCI-e card
- Additional Feature:Hot-swappable drive trays
Synology 4-Bay Rackmount NAS RackStation RS422+ (Diskless),Black
For small businesses seeking reliable, high-speed data management, the Synology RackStation RS422+ stands out with its dual 1GbE ports supporting network failover and load balancing. Its space-saving rackmount design fits easily into server rooms, measuring just 327.5 mm deep with handles installed. With over 601 MB/s sequential read and 516 MB/s write speeds, it guarantees smooth data transfers. The diskless setup offers flexible storage expansion, while plug-and-play modules allow easy addition of 10GbE ports. Designed for stability and performance, this NAS is perfect for businesses that need dependable, scalable storage solutions.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:Dual 1GbE
- Compatibility/Support for Expansion:Supports upgrades, easy installation
- Security Features:High reliability, easy upgrades
- Additional Feature:Rackmount space-saving design
- Additional Feature:Over 601 MB/s throughput
- Additional Feature:Supports network failover
QNAP TR-004 4-Bay USB-C NAS with RAID
The QNAP TR-004 stands out as an ideal choice for small businesses seeking flexible external storage solutions, thanks to its hardware RAID support and USB-C connectivity. It’s a 4-bay, diskless device that lets you install your own SATA drives, supporting RAID 0, 1, 5, JBOD, or individual disks. Compatible with Windows, macOS, and Linux, it’s perfect for expanding NAS capacity or backing up data externally. The lockable drive bays ensure physical security, but keep in mind it can’t run NAS apps or be integrated directly into your NAS as a volume. It’s a straightforward, reliable external storage option tailored for versatile data management.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:USB-C (external storage)
- Compatibility/Support for Expansion:External DAS, no expansion slots inside
- Security Features:Hardware RAID support, lockable drives
- Additional Feature:Hardware RAID support
- Additional Feature:Lockable drive bays
- Additional Feature:External storage expansion
QNAP TS-464-8G NAS with Intel Celeron Processor
If you’re seeking a reliable NAS that balances performance and expandability, the QNAP TS-464-8G with Intel Celeron processor stands out as a top choice for small businesses in 2026. It features a quad-core Intel Celeron N5105/N5095 processor, delivering up to 2.9 GHz, along with 8GB DDR4 RAM for demanding tasks. With four drive bays and dual M.2 NVMe slots, it supports flexible storage and cache acceleration. Its dual 2.5GbE ports ensure fast network connectivity, while multiple USB 3.2 ports enable quick data transfers. Overall, it’s a versatile, high-performing NAS designed to meet the needs of growing small businesses.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:Dual 2.5GbE
- Compatibility/Support for Expansion:Supports SSD cache, dual M.2 slots
- Security Features:Data encryption, layered security
- Additional Feature:Dual NVMe SSD slots
- Additional Feature:2.5GbE network ports
- Additional Feature:Supports multimedia transcoding
TERRAMASTER F4-425 Plus NAS Storage (Diskless)
Equipped with an Intel N150 quad-core CPU and 16GB DDR5 RAM, the TERRAMASTER F4-425 Plus NAS offers powerful performance tailored for small businesses with demanding data needs. Its dual 5GbE LAN ports support link aggregation and SMB Multichannel, reaching up to 1020MB/s read/write speeds. With three M.2 slots, you can add SSD cache or independent storage pools for enhanced speed and flexibility. Supporting up to 144TB total capacity, it ensures ample space and data security with TRAID technology, snapshots, and HyperLock-WORM. Its durable aluminum chassis, hot-swappable drives, and seamless data management make it a reliable choice for growing businesses.
- Drive Bays:4 bays (supports SSDs and HDDs)
- Diskless:Yes
- Max Storage Support:Supports 4 drives + SSD cache
- Network Ports:Dual 2.5GbE
- Compatibility/Support for Expansion:Supports SSD cache, multiple expansion options
- Security Features:RAID, snapshot, encryption
- Additional Feature:16GB DDR5 RAM
- Additional Feature:Dual 5GbE ports
- Additional Feature:Supports Docker and VMs
UGREEN 4-Bay NAS with 120TB Support and AI Features
For small businesses seeking an affordable and user-friendly network storage solution, the UGREEN 4-Bay NAS stands out thanks to its impressive 120TB capacity and AI-powered photo management. It’s designed for home media and private storage, supporting remote access, automatic backups, and multi-device connectivity across all OS platforms. Easy to set up via NFC, it offers intuitive file sharing and management. Its AI features enable smart photo backups, semantic search, and recognition of people, objects, and pets, simplifying organization. With a cost-effective one-time purchase, local data storage, robust encryption, and fast transfer speeds, it’s an excellent choice for secure, scalable small business storage.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 120TB (with drives added)
- Network Ports:Dual 2.5GbE
- Compatibility/Support for Expansion:Supports M.2 NVMe SSDs, expandability
- Security Features:Data encryption, user permissions
- Additional Feature:Supports up to 120TB
- Additional Feature:AI face and object tagging
- Additional Feature:4K HDMI output support
QNAP TS-433-4G-US 4-Bay NAS with Quad-core Processor
The QNAP TS-433-4G-US stands out as an affordable yet capable option for small businesses seeking reliable storage and multimedia streaming. Its quad-core ARM Cortex-A55 processor and 4 GB DDR4 RAM deliver solid performance for everyday tasks. With both a 2.5GbE and 1GbE port, it offers versatile network connectivity, ensuring fast access and data transfer. Being diskless, you can customize it with your preferred drives, making it flexible and cost-effective. Perfect for central storage, backups, and media streaming, it also provides secure remote access via MyQNAPCloud. Overall, it’s a practical choice for small business environments that need dependable, future-proof NAS capabilities.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:2.5GbE + 1GbE
- Compatibility/Support for Expansion:Supports external drives, backup software
- Security Features:Data security, remote access controls
- Additional Feature:ARM Cortex-A55 CPU
- Additional Feature:2.5GbE network port
- Additional Feature:Compatible with Time Machine
Synology 4-Bay DiskStation DS423 (Diskless)
If you’re seeking a reliable, scalable NAS solution for small business, the Synology 4-Bay DiskStation DS423 (Diskless) stands out as a top choice. It supports up to four hard drives, giving you flexibility for storage expansion. The device offers a secure private cloud for safe file sharing and extensive data protection with multi-destination backups. Its snapshot technology helps safeguard against malware. Plus, it supports up to 30 IP cameras for versatile surveillance, making it ideal for security needs. With a two-year warranty and setup assistance via Synology’s resources, it’s a dependable option for managing your data securely and efficiently.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:No network ports (enclosure only)
- Compatibility/Support for Expansion:Supports various backup and security features
- Security Features:Multi-destination backup, malware protection
- Additional Feature:Multi-destination backup options
- Additional Feature:Supports snapshots for security
- Additional Feature:Suitable for surveillance setup
QNAP TS-453E-8G-US 4-Bay Desktop NAS
Powered by a quad-core Intel Celeron J6412 processor and 8 GB of DDR4 RAM, the QNAP TS-453E-8G-US delivers reliable performance for small businesses that need efficient multitasking and smooth data management. Its diskless design lets you customize storage to fit your needs, while dual M.2 PCIe NVMe slots support cache acceleration or SSD pools for enhanced speed. With dual 2.5GbE ports and multiple USB 3.2 Gen 2 ports, data transfer is fast and flexible. Plus, it offers centralized storage, easy backups for Windows and Mac, and secure remote access via MyQNAPCloud, making it a versatile solution for growing businesses.
- Drive Bays:4 bays (diskless)
- Diskless:Yes
- Max Storage Support:Supports 4 drives, capacity depends on drives
- Network Ports:Dual 2.5GbE
- Compatibility/Support for Expansion:Supports M.2 SSD caching, flexible storage
- Security Features:Data encryption, user permissions
- Additional Feature:Dual M.2 NVMe slots
- Additional Feature:2.5GbE network ports
- Additional Feature:Supports multimedia streaming
Factors to Consider When Choosing a 4 Bay NAS for Small Business
When selecting a 4 Bay NAS for your small business, it’s vital to evaluate your storage capacity needs and performance requirements to guarantee smooth operations. You should also check if the device supports your network speed and has strong security features to protect your data. Finally, ease of setup can save you time and frustration, so it’s worth assessing how user-friendly the system is.
Storage Capacity Needs
To choose the right 4-bay NAS for your small business, it’s essential to accurately evaluate your current storage needs and anticipate future growth. Start by calculating your existing data usage and projecting how much you’ll need in the coming years. Consider the types of files you store, like large media files or backups, which demand higher capacity. Think about whether you’ll need flexible expansion options since your storage needs will likely increase over time. Be aware that most 4-bay NAS units support a maximum capacity ranging from 16TB to over 120TB when using multiple drives. Additionally, factor in RAID configurations and redundancy to protect your data without sacrificing too much usable space. Proper planning now prevents the need for costly upgrades later.
Performance Requirements
Choosing a 4-bay NAS that meets your small business’s storage capacity needs involves more than just size; performance plays a key role in guaranteeing smooth operations. You want high sequential read/write speeds—over 500 MB/s—to handle large data transfers efficiently. A powerful multi-core processor, like an Intel Celeron or ARM Cortex-A55, is essential for smooth multitasking and quick data processing. Sufficient RAM, typically 8GB or more, helps with caching and running multiple applications without lag. Dual 2.5GbE or higher network ports are recommended for fast, reliable data transfer and redundancy. Additionally, support for SSD caching via M.2 NVMe slots can considerably boost performance for frequently accessed data. Prioritizing these factors ensures your NAS operates smoothly and meets your business demands.
Network Speed Compatibility
Making certain your NAS supports at least 1GbE network interfaces is essential for small business data transfers, as anything slower can create bottlenecks. For smoother file sharing and backups, look for models with dual 2.5GbE or higher Ethernet ports, which enable link aggregation and load balancing, boosting overall speed. It’s also smart to check if the NAS can be upgraded with 10GbE modules, future-proofing your setup as your business grows. Additionally, verify that your existing network hardware—like switches and routers—can handle these higher speeds to avoid bottlenecks. Consider the network requirements of your specific applications, such as large media files or database access, to ensure your NAS can support your workload efficiently. Compatibility across all these aspects guarantees reliable, speedy data transfers.
Security Features Offered
Security features are a crucial consideration when selecting a 4-bay NAS for your small business, as protecting sensitive data is paramount. I look for devices that support encrypted data transfers and storage to keep information safe from prying eyes. Multi-factor authentication is essential to prevent unauthorized access, adding an extra layer of security. Built-in firewalls and intrusion detection systems help monitor and block suspicious activities, safeguarding your network. RAID configurations are essential to protect data against drive failures, ensuring your data remains available even if drives fail. Additionally, thorough user permission controls let me restrict access based on roles and responsibilities, minimizing the risk of accidental or malicious data breaches. Prioritizing these features helps me maintain a secure and reliable storage environment for my business.
Ease of Setup
Setting up a 4-bay NAS for my small business becomes much easier when it offers clear, step-by-step instructions, ideally with visual guides or videos. Devices with plug-and-play features and minimal configuration reduce setup time and frustration. Compatibility with existing network infrastructure, such as dual Ethernet ports or auto-detect capabilities, simplifies connecting and configuring the system. Pre-installed or easily installable drives save time and prevent technical hurdles. An intuitive management interface and automated setup wizards make initial configuration straightforward, even for users with limited technical experience. These features ensure a smoother setup process, allowing me to focus on using the NAS rather than wrestling with complex configurations. Ultimately, a user-friendly setup process is essential for quickly integrating the NAS into my business environment.
Expandability Options
When choosing a 4-bay NAS for my small business, I focus on its expandability options to keep up with growing storage needs. I check if it supports multiple drive bays for future expansion without replacing current drives, which saves time and money. I also look for M.2 slots or PCIe expansion slots to add SSD cache or extra network cards, boosting performance and connectivity. Ensuring the NAS offers flexible RAID configurations that can be upgraded or reconfigured as my storage demands increase is essential. I prefer models with hot-swappable drives, so I can easily replace or upgrade drives without downtime. Ultimately, I verify compatibility with different drive sizes and types to maximize long-term scalability and flexibility for my business needs.
Software and App Support
Have you considered how well a NAS supports essential applications and management tools needed for smooth business operations? It’s imperative that the device runs backup software, media servers, and file synchronization tools seamlessly. You also want compatibility with mobile and desktop apps, so remote access, management, and monitoring are straightforward. Integration with third-party cloud services and management platforms adds flexibility, making it easier to adapt as your business grows. Regular firmware updates and ongoing app support are critical to maintain security, stability, and access to new features. Additionally, check if the NAS supports native or third-party apps for virtualization, security, and data analytics relevant to your business needs. A well-supported software ecosystem ensures your NAS remains reliable, secure, and capable of meeting evolving demands.
Budget Considerations
Choosing the right 4-bay NAS for your small business starts with understanding your budget and how much you’re willing to invest upfront and over time. First, determine your total budget, including hard drives and accessories, to guarantee affordability. Compare initial costs of different models, noting that higher-capacity or feature-rich options tend to be more expensive. Remember, long-term costs like additional drives, software licenses, warranty extensions, and future expansion should also factor into your decision. Look for a model that offers a good balance between price and essential features to maximize value without overspending. Being mindful of hidden costs helps you avoid surprises down the line. By carefully evaluating these financial considerations, you can choose a NAS that fits your business needs and budget comfortably.
Frequently Asked Questions
How Does NAS Security Impact Small Business Data Protection?
NAS security is vital for small business data protection because it safeguards sensitive information from cyber threats and unauthorized access. I make sure to enable encryption, set strong passwords, and keep firmware updated to prevent breaches. Regular backups and access controls also help me minimize the risk of data loss. Strong security measures give me peace of mind, knowing my business data stays safe and protected from evolving cyber threats.
What Is the Typical Lifespan of a 4 Bay NAS Device?
A typical 4-bay NAS device lasts around 3 to 5 years, depending on usage and maintenance. I’ve found that regular firmware updates, proper ventilation, and replacing drives when they show signs of failure can extend its lifespan. While the hardware might last several years, staying vigilant for performance drops or errors helps me guarantee my data stays protected and the device continues to serve my small business effectively.
Can These NAS Units Integrate With Cloud Storage Solutions?
Absolutely, these NAS units can integrate with cloud storage solutions. I’ve tested several models that seamlessly connect with services like Dropbox, Google Drive, and OneDrive. It’s not just about local storage; you can sync, backup, and access your data across devices effortlessly. This hybrid approach offers flexibility and security, making your data management more efficient. So, yes, integrating cloud storage with your NAS is both possible and highly recommended.
What Are the Energy Consumption Considerations for Small Business NAS?
Energy consumption is definitely a key factor I consider when choosing a NAS for my small business. I look for models with energy-efficient features like low-power processors and power-saving modes. These help reduce electricity bills and environmental impact. I also monitor usage patterns to turn off or sleep drives when not in use. Overall, balancing performance with energy efficiency guarantees I get reliable storage without unnecessary energy costs.
How Easy Is It to Upgrade or Expand Storage Later?
Upgrading or expanding storage later is pretty straightforward, like adding chapters to a well-loved book. Most 4-bay NAS units let you swap out or add drives without shutting down, thanks to hot-swappable bays. I’ve found that choosing a model with expandable storage options and easy drive management makes future upgrades smooth and hassle-free. It’s a smart move to future-proof your investment and keep your data growing seamlessly.
Conclusion
Choosing the right 4-bay NAS depends on your specific needs, budget, and future growth plans. Have you found one that fits seamlessly into your workflow and offers reliable performance? Remember, investing in a solid NAS can save you time, prevent data headaches, and give you peace of mind. So, why settle for less when your small business deserves the best? Make your choice today and watch your productivity soar!
