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For small businesses seeking reliable, scalable storage, choosing the right 6-bay NAS system involves balancing performance, features, and budget. The Synology DS620slim stands out as the best overall thanks to its user-friendly interface and solid ecosystem. For those prioritizing raw speed and expandability, the Ugreen NAS DXP6800 Plus offers impressive hardware, while the Asustor Lockerstor 6 Gen2+ caters to content creators with its M.2 slots and high performance. Most options in this category trade off between ease of use and advanced features, making the decision nuanced. Continue reading for a detailed comparison to help you find the best fit for your small business.

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Key Takeaways

  • High-performance models with multiple M.2 slots provide faster caching and expansion, ideal for demanding workflows.
  • NAS systems with dual 10GbE ports offer future-proofing for growing network speeds, but often come at a higher cost.
  • Diskless units provide flexibility but require additional investment in drives, which can impact initial budget.
  • Simpler, pre-populated NAS devices are best for small businesses without dedicated IT staff, emphasizing ease of setup.
  • Tradeoffs often exist between raw speed, ease of use, and upfront cost, requiring careful consideration of current and future needs.

Our Top Best 6-bay NAS Systems For Small Businesses Picks

Synology 6 bay 2.5″ NAS DS620slim (Diskless)Synology 6 bay 2.5Best Overall for Compact EfficiencyDrive Bays: 6Supported Drives: 2.5″ HDDs/SSDsMax Speed: 220 MB/s read, 190 MB/s writeVIEW LATEST PRICESee Our Full Breakdown
Asustor Lockerstor 6 Gen2+ AS6706T v2 6 Bay NASAsustor Lockerstor 6 Gen2+ AS6706T v2 6 Bay NASBest for Enterprise-Grade FlexibilityCPU: Intel Celeron N5105Memory: 8GB DDR4Network Ports: Dual 5GbEVIEW LATEST PRICESee Our Full Breakdown
UGREEN NAS DXP6800 Plus 6-Bay Desktop NASUGREEN NAS DXP6800 Plus 6-Bay Desktop NASBest for High-Speed Network and Versatile ConnectivityCPU: Intel Core i3 1215uRAM: 8GB DDR5Network Ports: 1x 10GbE, 1x 2.5GbEVIEW LATEST PRICESee Our Full Breakdown
QNAP TS-664-8G-US 6 Bay High-Performance NASQNAP TS-664-8G-US 6 Bay High-Performance NASBest for Balanced Performance and ExpandabilityCPU: Intel Celeron N5105Memory: 8GB DDR4Network Ports: 2x 2.5GbEVIEW LATEST PRICESee Our Full Breakdown
BUFFALO LinkStation SoHo 220 2-Bay Personal Cloud Office NAS 12TB (2x6TB) with Hard Drives IncludedBUFFALO LinkStation SoHo 220 2-Bay Personal Cloud Office NAS 12TB (2x6TB) with Hard Drives IncludedBest Budget-Friendly Entry-Level NASDigital Storage Capacity: 12 TBHard Disk Interface: Serial ATA-300Connectivity Technology: EthernetVIEW LATEST PRICESee Our Full Breakdown
BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 32TB (4x8TB) with Hard Drives IncludedBUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 32TB (4x8TB) with Hard Drives IncludedBest Value for Larger Storage NeedsDigital Storage Capacity: 32 TBHard Disk Interface: Serial ATA-600Connectivity Technology: EthernetVIEW LATEST PRICESee Our Full Breakdown
UGREEN NAS DXP6800 Pro 6-Bay Desktop NAS, Intel i5 1235u 10-Core CPU, 8GB DDR5 RAM, Built-in 128G SSD for System, 2X 10GbE, 2XM.2 NVMe Slots, 8K HDMI, 2XTBT4, Network Attached Storage (Diskless)UGREEN NAS DXP6800 Pro 6-Bay Desktop NAS, Intel i5 1235u 10-Core CPU, 8GB DDR5 RAM, Built-in 128G SSD for System, 2X 10GbE, 2XM.2 NVMe Slots, 8K HDMI, 2XTBT4, Network Attached Storage (Diskless)Best for High-Performance Demanding WorkflowsProcessor: Intel i5 1235u 10-CoreMemory: 8GB DDR5Network Ports: 2x 10GbEVIEW LATEST PRICESee Our Full Breakdown
QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 SlotsQNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 SlotsBest for Flexibility and ExpansionProcessor: AMD Ryzen V1500BNetwork Ports: 2x 2.5GbEPCIe Slots: 2VIEW LATEST PRICESee Our Full Breakdown
BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 24TB (4x6TB) with Hard Drives IncludedBUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 24TB (4x6TB) with Hard Drives IncludedBest Budget-Friendly Entry-Level NASDigital Storage Capacity: 24 TBHard Disk Interface: Serial ATA-600Connectivity Technology: EthernetVIEW LATEST PRICESee Our Full Breakdown
Asustor Lockerstor 6 Gen2 AS6706T – 6 Bay NAS, Quad-Core 2.0 GHz CPU, 4X M.2 NVMe Slots, Dual 2.5GbE, Upgradable to 10GbE, 8GB DDR4 RAM, Content Creation Network Attached Storage (Diskless)Asustor Lockerstor 6 Gen2 AS6706T - 6 Bay NAS, Quad-Core 2.0 GHz CPU, 4X M.2 NVMe Slots, Dual 2.5GbE, Upgradable to 10GbE, 8GB DDR4 RAM, Content Creation Network Attached Storage (Diskless)Best for Creative Professionals and Power UsersCPU: Intel Celeron N5105 Quad-Core 2.0 GHzMemory: 8GB DDR4 (expandable to 16GB)Network: Dual 2.5GbE, upgradeable to 10GbEVIEW LATEST PRICESee Our Full Breakdown
QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 SlotsQNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 SlotsBest for High-Performance and VirtualizationCPU: AMD Ryzen V1500B Quad-core 2.2 GHzMemory: 8GB DDR4Network: 2x 2.5GbE ports, upgradeable to 10GbEVIEW LATEST PRICESee Our Full Breakdown
BUFFALO LinkStation 210 6TB 1-Bay NAS Network Attached Storage with HDD Hard Drives IncludedBUFFALO LinkStation 210 6TB 1-Bay NAS Network Attached Storage with HDD Hard Drives IncludedBest Simple, All-in-One Home/Small Office NASStorage Capacity: 6TBHard Disk Interface: SATAConnectivity Technology: EthernetVIEW LATEST PRICESee Our Full Breakdown

More Details on Our Top Picks

  1. Synology 6 bay 2.5″ NAS DS620slim (Diskless)

    Synology 6 bay 2.5

    Best Overall for Compact Efficiency

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    This mini-sized NAS stands out for combining powerful RAID flexibility with a surprisingly small footprint, making it ideal for small offices with limited space. Its support for 2.5″ HDDs and SSDs offers versatile storage options, while over 220 MB/s read and 190 MB/s write speeds ensure quick access even with encryption enabled. Compared to the QNAP TS-664-8G, it doesn’t offer the same raw processing power but excels in portability and ease of deployment. The 2GB DDR3L memory is sufficient for typical small business workloads, though expandability to 6GB helps future-proof it. The advanced Btrfs filesystem with snapshots safeguards data, but the system’s limited RAM and storage capacity could be constraining for larger data needs. This pick makes the most sense for small businesses prioritizing space-saving and reliable performance without the need for extensive hardware upgrades.

    Pros:
    • Compact size with high RAID flexibility
    • Supports both SSDs and HDDs for versatility
    • Fast read/write speeds for encrypted data
    Cons:
    • Limited to 2GB RAM, restricting multitasking
    • Max single volume size of 108TB may be limiting for larger data sets

    Best for: Small businesses needing a compact, reliable NAS with decent performance and snapshot capabilities.

    Not ideal for: Businesses planning to handle large media libraries or demanding virtual machine workloads, due to limited RAM and storage capacity.

    • Drive Bays:6
    • Supported Drives:2.5″ HDDs/SSDs
    • Max Speed:220 MB/s read, 190 MB/s write
    • Memory:2GB DDR3L, expandable to 6GB
    • Snapshot Support:65,000 system-wide snapshots
    • Max Single Volume Size:108 TB

    Bottom line: Ideal for space-conscious small offices that need reliable, straightforward storage with snapshot support.

  2. Asustor Lockerstor 6 Gen2+ AS6706T v2 6 Bay NAS

    Asustor Lockerstor 6 Gen2+ AS6706T v2 6 Bay NAS

    Best for Enterprise-Grade Flexibility

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    This model is tailored for small businesses seeking enterprise-level features without going full rackmount. Its Intel Celeron N5105 quad-core CPU paired with 8GB DDR4 RAM offers a solid performance baseline, outperforming entry-level options like the QNAP TS-664 in multi-tasking and virtualization. The dual 5GbE ports support link aggregation, boosting network throughput, while the 4 M.2 SSD slots provide excellent caching and storage flexibility. Compared to the Synology DS620slim, it offers more raw processing power and expandability, but at the cost of a larger footprint and potentially higher complexity. Its 3-year warranty adds peace of mind, though the system’s size may be too bulky for very limited spaces. This pick makes the most sense for small businesses needing enterprise features and robust network performance.

    Pros:
    • Quad-core Intel CPU with robust performance
    • Dual 5GbE ports for high network throughput
    • Four M.2 SSD slots for caching
    Cons:
    • Larger footprint compared to ultra-compact NAS models
    • Complex setup for users unfamiliar with enterprise features

    Best for: Small offices requiring high network throughput, virtualization, and flexible storage configurations.

    Not ideal for: Very space-constrained environments or businesses with minimal IT infrastructure, due to its larger size and complexity.

    • CPU:Intel Celeron N5105
    • Memory:8GB DDR4
    • Network Ports:Dual 5GbE
    • M.2 Slots:4
    • Drive Bays:6
    • Maximum Storage:Variable, depends on drives

    Bottom line: Best suited for small firms that need enterprise-level networking and storage flexibility with room for future expansion.

  3. UGREEN NAS DXP6800 Plus 6-Bay Desktop NAS

    UGREEN NAS DXP6800 Plus 6-Bay Desktop NAS

    Best for High-Speed Network and Versatile Connectivity

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    This NAS makes a compelling choice for small businesses focused on high-speed data transfer and multi-device compatibility. Its 12th Gen Intel Core i3 processor paired with 8GB DDR5 RAM delivers impressive performance, especially with the 10GbE and 2.5GbE ports supporting rapid file sharing. The built-in 128GB SSD combined with six SATA bays offers substantial storage capacity up to 208TB, outperforming more basic systems like the Buffalo TeraStation in both speed and flexibility. The extensive connectivity options, including dual NVMe slots, HDMI output, and multiple USB ports, allow it to serve as a media hub or virtualization host. However, the system’s complexity and price point could be overkill for very small teams with simple storage needs. This pick is best for tech-savvy small businesses needing speed and broad connectivity.

    Pros:
    • High-performance 12th Gen Intel Core i3 CPU
    • Dual 10GbE ports for rapid data transfer
    • Supports up to 208TB storage
    Cons:
    • Higher cost compared to basic NAS models
    • Complex setup may be challenging for non-technical users

    Best for: Small, tech-oriented businesses requiring fast file transfers, media streaming, and multiple device support.

    Not ideal for: Businesses seeking a straightforward, low-cost storage solution without advanced connectivity or performance features.

    • CPU:Intel Core i3 1215u
    • RAM:8GB DDR5
    • Network Ports:1x 10GbE, 1x 2.5GbE
    • Drive Bays:6
    • Max Storage:Up to 208TB
    • Additional Features:HDMI, M.2 NVMe slots

    Bottom line: Ideal for small businesses demanding high-speed networking and extensive device compatibility with advanced features.

  4. QNAP TS-664-8G-US 6 Bay High-Performance NAS

    QNAP TS-664-8G-US 6 Bay High-Performance NAS

    Best for Balanced Performance and Expandability

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    The QNAP TS-664 offers a solid balance of performance, expandability, and network connectivity, making it suitable for small businesses with diverse needs. Its Intel Celeron N5105 processor paired with 8GB DDR4 RAM provides reliable multitasking capabilities, while dual 2.5GbE ports support efficient network sharing, surpassing basic 1GbE models like the Buffalo TeraStation. The two M.2 PCIe NVMe slots enable fast caching or SSD pools, boosting overall responsiveness. Its multiple USB 3.2 ports facilitate easy expansion or peripheral connection. While it doesn’t match the raw power of the AOOSTAR WTR MAX or the advanced networking of the UGREEN DXP6800, it offers a straightforward setup with room for growth. The system’s non-expandable RAM could limit future performance scaling. This NAS is best for small businesses seeking a versatile, expandable system with good network performance.

    Pros:
    • Balanced performance with Intel Celeron CPU
    • Dual 2.5GbE ports for faster network sharing
    • Two M.2 NVMe slots for caching
    Cons:
    • Non-expandable RAM beyond 8GB
    • Limited CPU power for intensive virtualization or AI tasks

    Best for: Small companies needing a reliable, expandable NAS with good network throughput and moderate performance.

    Not ideal for: Enterprises requiring high-end AI processing or extensive virtualization, due to CPU limitations.

    • CPU:Intel Celeron N5105
    • Memory:8GB DDR4
    • Network Ports:2x 2.5GbE
    • Drive Bays:6
    • Max Storage:Variable, depends on drives
    • Additional Features:M.2 NVMe slots, USB 3.2

    Bottom line: Best for small businesses looking for a cost-effective, expandable NAS with good network and storage flexibility.

  5. BUFFALO LinkStation SoHo 220 2-Bay Personal Cloud Office NAS 12TB (2x6TB) with Hard Drives Included

    BUFFALO LinkStation SoHo 220 2-Bay Personal Cloud Office NAS 12TB (2x6TB) with Hard Drives Included

    Best Budget-Friendly Entry-Level NAS

    View Latest Price

    This model makes the list for small offices seeking simple yet secure network storage, especially when compared with the higher-capacity options like the BUFFALO TeraStation Essentials 2025. It delivers RAID 1 for data safety with 6TB usable, which is ideal for critical file protection on a tight budget. The inclusion of hard drives and 24/7 US-based support adds to its appeal. However, the 5400 RPM drives limit speed, and its basic connectivity (only 2.5 GbE) may bottleneck larger data transfers. This pick suits small office/home office environments needing reliable backup without complexity.
    Pros: Affordable with included drives, RAID 1 for safety, easy setup, US-based support.
    Cons: Limited to 12TB total capacity, slower spinning drives, basic connectivity.
    Verdict: Best for budget-conscious small businesses needing simple, protected file sharing and backup.
    Specs:

    • Capacity: 12 TB
    • Hard Disk Interface: Serial ATA-300
    • Connectivity: Ethernet
    • Hard Drives Included: Yes
    • Media Speed: 375 MB/s
    • Form Factor: Desktop
    Pros:
    • Affordable with hard drives included
    • RAID 1 for data safety
    • 24/7 US support
    • Compact design
    Cons:
    • Limited to 12TB capacity
    • 5400 RPM drives slow for large transfers
    • Basic 2.5 GbE connectivity

    Best for: Small startups or home offices looking for a secure, subscription-free personal cloud solution

    Not ideal for: Businesses requiring high transfer speeds or larger capacity, due to limited throughput and storage

    • Digital Storage Capacity:12 TB
    • Hard Disk Interface:Serial ATA-300
    • Connectivity Technology:Ethernet
    • Hard Drives Included:Yes
    • Media Speed:375 MB/s
    • Form Factor:Desktop

    Bottom line: This NAS is perfect for small offices needing a simple, cost-effective, and secure backup system.

  6. BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 32TB (4x8TB) with Hard Drives Included

    BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 32TB (4x8TB) with Hard Drives Included

    Best Value for Larger Storage Needs

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    This pick stands out for small to medium businesses needing substantial capacity at a reasonable price, especially when compared with the more expensive QNAP TS-673A-8G. Pre-installed with four 8TB drives in RAID 5, it offers 24TB of usable storage with straightforward setup, perfect for data protection and backup. Its native 2.5GbE ports facilitate faster file transfers than typical Gigabit Ethernet. Yet, the drives are 5400 RPM, limiting speed, and the system lacks advanced features like SSD caching or multiple network ports. This model is ideal for expanding storage without overcomplicating deployment.
    Pros: Large capacity with included drives, RAID 5 for redundancy, 2.5 GbE ports, easy setup.
    Cons: Limited to 24TB usable in RAID 5, slower drives, no SSD caching, basic connectivity.
    Verdict: Best for small to medium businesses prioritizing capacity and cost-efficiency over speed or advanced features.
    Specs:

    • Capacity: 32 TB
    • Hard Disk Interface: Serial ATA-600
    • Connectivity Technology: Ethernet
    • Hard drives included: Yes (4x8TB)
    • RAID Support: Yes, RAID 5
    • Form Factor: Desktop
    Pros:
    • Large total capacity with drives included
    • RAID 5 for redundancy
    • Fast 2.5 GbE ports
    • Simple setup
    Cons:
    • Limited to 24TB in RAID 5
    • 5400 RPM drives limit speed
    • No SSD caching
    • Basic network options

    Best for: Growing businesses needing reliable, high-capacity storage without complex configurations

    Not ideal for: High-performance environments requiring fast data throughput or SSD caching options

    • Digital Storage Capacity:32 TB
    • Hard Disk Interface:Serial ATA-600
    • Connectivity Technology:Ethernet
    • Hard drives included:Yes (4x8TB)
    • RAID Support:Yes, RAID 5
    • Form Factor:Desktop

    Bottom line: This NAS provides a cost-effective solution for small businesses needing scalable storage with easy management.

  7. UGREEN NAS DXP6800 Pro 6-Bay Desktop NAS, Intel i5 1235u 10-Core CPU, 8GB DDR5 RAM, Built-in 128G SSD for System, 2X 10GbE, 2XM.2 NVMe Slots, 8K HDMI, 2XTBT4, Network Attached Storage (Diskless)

    UGREEN NAS DXP6800 Pro 6-Bay Desktop NAS, Intel i5 1235u 10-Core CPU, 8GB DDR5 RAM, Built-in 128G SSD for System, 2X 10GbE, 2XM.2 NVMe Slots, 8K HDMI, 2XTBT4, Network Attached Storage (Diskless)

    Best for High-Performance Demanding Workflows

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    This model makes the list for tech-savvy small to medium businesses needing top-tier performance, especially when compared with the more basic QNAP TS-673A-8G. It offers a powerful 10-core i5 processor, 8GB DDR5 RAM, and dual 10GbE ports, enabling transfer speeds up to 2500MB/s—ideal for large file handling and intensive workloads. The built-in SSD and M.2 NVMe slots optimize performance for frequent access data. Its comprehensive connectivity, including HDMI and Thunderbolt 4, supports versatile workflows. The main tradeoffs are its higher cost, diskless design requiring separate HDDs/SSDs, and its complexity, making it best suited for professional environments.
    Pros: High-performance CPU, 2x 10GbE ports, fast transfer speeds, extensive connectivity options.
    Cons: Higher price point, needs separate drives, complex setup, diskless system.
    Verdict: Ideal for demanding professional environments needing fast, reliable data handling and multimedia capabilities.
    Specs:

    • Max Storage Capacity: Up to 208TB (with third-party drives)
    • CPU: Intel i5 1235u 10-core
    • RAM: 8GB DDR5
    • Network Ports: 2x 10GbE
    • NVMe Slots: 2
    • Built-in SSD: 128GB
    Pros:
    • Exceptional processing power
    • Dual 10GbE ports for fast data transfer
    • Built-in SSD for system speed
    • Versatile connectivity
    Cons:
    • Higher cost
    • Requires separate drives
    • Complex setup process
    • Diskless design

    Best for: Small to medium businesses with high-performance needs, including multimedia or large-scale data processing

    Not ideal for: Small offices on tight budgets or those seeking simple plug-and-play solutions

    • Processor:Intel i5 1235u 10-Core
    • Memory:8GB DDR5
    • Network Ports:2x 10GbE
    • Built-in Storage:128GB SSD
    • Maximum Capacity:Up to 208TB
    • M.2 NVMe Slots:2

    Bottom line: This NAS is best suited for professional environments demanding top-tier performance and extensive connectivity options.

  8. QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots

    QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots

    Best for Flexibility and Expansion

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    This model earns its spot as a flexible, high-performance option, especially when compared with the BUFFALO TeraStation Essentials. It features a robust AMD Ryzen V1500B quad-core processor, dual 2.5GbE ports supporting link aggregation, and two PCIe Gen3 slots for expanding network or storage capabilities. M.2 slots enable SSD caching for improved performance. The system supports various RAID configurations and GPU passthrough for advanced video processing. Its high versatility makes it a favorite for growing businesses requiring future-proofing. The main tradeoff is its higher complexity and price, which might be overkill for basic file sharing needs.
    Pros: Powerful AMD CPU, PCIe expansion slots, dual 2.5GbE ports, flexible RAID options.
    Cons: Higher cost, more complex setup, requires compatible drives, advanced features may be unnecessary for small offices.
    Verdict: Best for small businesses planning for future expansion and needing versatile capabilities.
    Specs:

    • Processor: AMD Ryzen V1500B
    • Memory: Not specified (likely 8GB or more)
    • Network Ports: 2x 2.5GbE
    • PCIe Slots: 2
    • M.2 Slots: 2
    • RAID Support: Yes
    Pros:
    • High-performance AMD CPU
    • Expandable PCIe slots
    • Dual 2.5GbE ports
    • Supports GPU passthrough
    Cons:
    • Higher price
    • Complex setup
    • Requires compatible drives
    • Overkill for simple storage needs

    Best for: Growing SMBs requiring hardware flexibility, expansion options, and multimedia processing

    Not ideal for: Small offices with minimal IT support or budget constraints, due to higher complexity and cost

    • Processor:AMD Ryzen V1500B
    • Network Ports:2x 2.5GbE
    • PCIe Slots:2
    • M.2 Slots:2
    • RAID Support:Yes
    • Max Capacity:Varies with drives

    Bottom line: Ideal for SMBs seeking a scalable, flexible NAS with future-proofing and multimedia capabilities.

  9. BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 24TB (4x6TB) with Hard Drives Included

    BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 24TB (4x6TB) with Hard Drives Included

    Best Budget-Friendly Entry-Level NAS

    View Latest Price

    This model stands out for its affordability and straightforward setup, making it an attractive choice for small businesses just starting with network storage. Compared with higher-end options like the QNAP TS-673A-8G, it offers fewer advanced features and scalability, but still provides reliable data protection with RAID and cloud sync capabilities. Its inclusion of hard drives and RAID pre-configuration reduces initial setup time, which is ideal for less tech-savvy users. However, this NAS is limited to RAID 5 by default, offering less redundancy than RAID 6, and its 5400 RPM drives may impact performance under heavy loads. This pick makes the most sense for budget-conscious small businesses seeking reliable storage without complex features.

    Pros:
    • Cost-effective with hard drives included
    • Easy out-of-the-box setup with RAID pre-configured
    • Supports cloud backup with major providers
    Cons:
    • Limited scalability and fewer advanced features
    • Relatively slow 5400 RPM drives may impact performance under heavy use

    Best for: Small businesses needing a simple, cost-effective storage solution with included drives

    Not ideal for: Businesses requiring high redundancy, faster data transfer speeds, or advanced virtualization features

    • Digital Storage Capacity:24 TB
    • Hard Disk Interface:Serial ATA-600
    • Connectivity Technology:Ethernet
    • Hard Disk Rotational Speed:5400 RPM
    • Form Factor:Tower
    • Warranty & Support:3-year warranty

    Bottom line: This NAS is best suited for small businesses prioritizing affordability and ease of use over performance and advanced features.

  10. Asustor Lockerstor 6 Gen2 AS6706T – 6 Bay NAS, Quad-Core 2.0 GHz CPU, 4X M.2 NVMe Slots, Dual 2.5GbE, Upgradable to 10GbE, 8GB DDR4 RAM, Content Creation Network Attached Storage (Diskless)

    Asustor Lockerstor 6 Gen2 AS6706T - 6 Bay NAS, Quad-Core 2.0 GHz CPU, 4X M.2 NVMe Slots, Dual 2.5GbE, Upgradable to 10GbE, 8GB DDR4 RAM, Content Creation Network Attached Storage (Diskless)

    Best for Creative Professionals and Power Users

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    This model makes the most sense for creative teams or small studios that need fast data access and expandability. Unlike the Buffalo TeraStation, it offers dual 2.5GbE ports, support for up to 16GB RAM, and M.2 NVMe slots for caching, boosting performance for large media files and concurrent users. Its Intel Celeron processor provides more processing power than entry-level NASes, enabling tasks like video editing, transcoding, or virtualization. The main tradeoff is its higher price point and the need for disk setup, as it ships diskless. This pick makes the most sense for professionals who need speed, flexibility, and multimedia capabilities.

    Pros:
    • Supports dual 2.5GbE ports with 5GbE/10GbE upgrade options
    • M.2 NVMe slots for caching acceleration
    • Powerful quad-core CPU ideal for multitasking
    Cons:
    • Higher cost due to no included drives and advanced features
    • Requires technical knowledge for optimal setup

    Best for: Content creators, media teams, or small studios needing high performance and expandability

    Not ideal for: Small offices on tight budgets or users seeking plug-and-play simplicity without extra configuration

    • CPU:Intel Celeron N5105 Quad-Core 2.0 GHz
    • Memory:8GB DDR4 (expandable to 16GB)
    • Network:Dual 2.5GbE, upgradeable to 10GbE
    • Expansion Slots:2x PCIe Gen3
    • M.2 Slots:4x NVMe
    • Form Factor:Diskless

    Bottom line: This NAS is ideal for creative professionals seeking speed, expandability, and multimedia support, even at a higher price.

  11. QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots

    QNAP TS-673A-8G 6 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots

    Best for High-Performance and Virtualization

    View Latest Price

    This model is tailored for small businesses that need robust performance and virtualization support. Compared to the Asustor Lockerstor, it offers AMD Ryzen V1500B quad-core processing at a higher clock speed, along with PCIe slots for 10GbE upgrades and additional expansion. Its two M.2 slots support SSD caching, enhancing speed for demanding applications. While it excels in performance, it comes at a premium cost and may be overkill for simpler storage needs. Its flexibility with PCIe expansion makes it suitable for future upgrades. This pick is best suited for businesses that require high speed, virtualization, and future-proofing.

    Pros:
    • Powerful AMD Ryzen V1500B CPU with up to 2.2 GHz
    • Supports SSD caching with dual M.2 slots
    • Expandable with PCIe slots for 10GbE and other cards
    Cons:
    • Higher purchase price and complexity
    • Requires technical expertise for optimal use

    Best for: Small businesses needing high throughput, virtualization, or media-intensive workloads

    Not ideal for: Small offices seeking budget solutions or simple file storage without advanced features

    • CPU:AMD Ryzen V1500B Quad-core 2.2 GHz
    • Memory:8GB DDR4
    • Network:2x 2.5GbE ports, upgradeable to 10GbE
    • PCIe Slots:2x Gen3
    • M.2 Slots:2x NVMe
    • Size:6-Bay
    • Enclosure Material:Metal

    Bottom line: This NAS is best for high-performance environments requiring virtualization and future expandability, justifying its premium cost.

  12. BUFFALO LinkStation 210 6TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included

    BUFFALO LinkStation 210 6TB 1-Bay NAS Network Attached Storage with HDD Hard Drives Included

    Best Simple, All-in-One Home/Small Office NAS

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    This NAS makes the most sense for small offices or home users looking for straightforward storage with minimal fuss. Unlike the Buffalo 4-bay, this 1-bay model offers a simplified, plug-and-play experience with included HDDs, making setup quick and easy. Its RAID support provides basic redundancy, and the device is compact and lightweight, ideal for limited space. However, with only a single drive bay, it lacks scalability and advanced features like multi-drive redundancy or high-speed connections. Its 3.9-star rating reflects solid reliability but limited flexibility. This pick is best for users who prioritize simple, reliable storage over expandability or performance.

    Pros:
    • Includes HDDs, ready to use out of the box
    • Simple setup with RAID for redundancy
    • Compact and lightweight design
    Cons:
    • Limited to a single drive bay, reducing scalability
    • Lower performance and fewer advanced features compared to multi-bay models

    Best for: Home users or small offices needing easy-to-use, reliable storage for personal or small-scale use

    Not ideal for: Businesses requiring scalable, multi-user, or high-performance storage solutions

    • Storage Capacity:6TB
    • Hard Disk Interface:SATA
    • Connectivity Technology:Ethernet
    • Form Factor:1-Bay
    • Included Drives:Yes
    • Size:Lightweight, compact

    Bottom line: This NAS is ideal for basic storage needs where simplicity and ease of use outweigh scalability and speed.

best 6-bay NAS systems for small businesses

How We Picked

To compile this list, I evaluated each NAS system based on performance, expandability, build quality, ease of setup, and value for small business environments. Devices with robust hardware, future-proof features like multiple Ethernet ports, and user-friendly interfaces ranked higher. Cost was balanced against features to highlight options that deliver the best bang for the buck. Products were compared directly to identify clear distinctions in capabilities, ensuring that each pick serves a specific role—whether for high performance, affordability, or ease of use—so small business owners can find a tailored solution.

Factors to Consider When Choosing Best 6-bay NAS Systems For Small Businesses

Choosing the best 6-bay NAS for small business involves more than just hardware specs. It’s essential to consider future growth, network integration, and ease of maintenance. Understanding these factors helps prevent costly mistakes and ensures your investment aligns with your operational needs.

Performance and Processing Power

Look for a NAS with a capable CPU and sufficient RAM to handle your workload, especially if you’re running multiple users or demanding applications. High-performance processors like Intel i5 or AMD Ryzen equivalents offer better multitasking and data transfer speeds. Overlooking processing power can lead to sluggish performance during peak loads, limiting productivity.

Network Connectivity and Speed

Multiple Gigabit or 10GbE ports provide faster data transfer and future-proofing for larger team expansion. Invest in systems with at least dual 1GbE ports, or better yet, 10GbE support if your network infrastructure can handle it. Failing to match your NAS to your network speeds can create bottlenecks, hampering file access and backups.

Expandability and Storage Flexibility

Check for M.2 slots, PCIe expansion, and support for additional drives or SSD caching. These features extend the lifespan of your NAS by allowing upgrades as your data needs grow. Not considering future expansion options may mean outgrowing your device prematurely, leading to additional costs or migration headaches.

Ease of Use and Management

User-friendly interfaces and comprehensive apps are essential for small business owners without dedicated IT staff. Devices like Synology are praised for their intuitive OS, reducing setup time and ongoing maintenance. Overly complex systems may save money initially but cause headaches in daily management.

Cost and Total Ownership

Initial price, included drives, and ongoing maintenance costs shape your total ownership. For small businesses, balancing affordability with necessary features is key. While diskless units are cheaper upfront, they require additional investments in drives and setup time, which can add up. Avoid choosing a NAS solely on price without considering long-term value.

Frequently Asked Questions

Do I need a 10GbE port on my NAS?

A 10GbE port can significantly improve data transfer speeds if your network supports it, especially when transferring large files or backing up multiple workstations simultaneously. However, if your current network infrastructure is limited to Gigabit Ethernet, investing in 10GbE may not provide immediate benefits. Consider future network upgrades before choosing a NAS with 10GbE support to avoid needing an upgrade soon after purchase.

Should I buy a diskless NAS or one with drives included?

Buying a diskless NAS offers flexibility to choose your drives and upgrade storage over time, which can be cost-effective. However, it requires additional effort to select compatible drives and set up the system. Pre-populated options are simpler and faster to deploy but often come at a higher initial cost and less flexibility. Your choice depends on whether you prefer convenience or customization.

Is an Intel-based NAS better than AMD for small businesses?

Intel processors are generally known for compatibility and a wide ecosystem of software, making them a popular choice for small business NAS systems. AMD-based options, like Ryzen or R7 CPUs, can offer comparable or better performance at similar or lower costs, with some models supporting higher core counts and faster processing. The decision depends on your workload, software preferences, and budget.

How important is expandability for my small business NAS?

Expandability is vital if you anticipate your storage needs will grow rapidly or require high-performance caching. Features like M.2 slots for SSD caching, PCIe expansion, and multiple drive bays give flexibility for future upgrades. Neglecting expandability can result in needing to replace your NAS earlier than planned, leading to higher costs and complexity.

What’s the most affordable way to get a reliable NAS for my business?

Opting for a well-reviewed diskless NAS with the ability to add drives later often provides the best balance between cost and reliability. Choosing a model with a proven track record and good software support minimizes maintenance issues. While initial savings are tempting, investing a bit more upfront in a reputable model can save money and hassle long term by avoiding frequent replacements or technical support costs.

Conclusion

For small business owners prioritizing ease of use and reliable ecosystem support, the Synology DS620slim remains the best overall choice. Those needing raw speed and expandability should consider the Ugreen NAS DXP6800 Plus or the Asustor Lockerstor 6 Gen2+. Budget-conscious buyers might favor the pre-populated BUFFALO LinkStation 220 or BUFFALO TeraStation Essentials for straightforward storage. For advanced users or growing teams, systems with dual 10GbE ports and PCIe expansion, like the QNAP TS-673A, offer future-proof performance. Ultimately, your choice depends on your current needs and plans for growth—aim for the device that best balances features with your budget and technical comfort level.

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