10 Best 4 Bay NAS in 2026

Finding the right 4 Bay NAS can transform how you manage data at home or in small offices. These devices offer centralized storage, automatic backups, and media streaming capabilities that exceed traditional hard drives.

We evaluated ten leading models based on processing power, network speed, software ease, and expansion options. Each entry was analyzed for its ability to handle multitasking, secure data, and support diverse user needs.

Every pick highlights key strengths and ideal use cases. While prices fluctuate, this list focuses on value and capability. Expect detailed insights to help you invest wisely in your next network attached storage solution.

Top 3 Picks for Best 4 Bay NAS

Top 10 Best 4 Bay NAS in 2026 Compared

This side-by-side comparison highlights the core specifications and unique selling points of each reviewed model. Use this table to quickly identify which system matches your performance, budget, and storage expansion needs.

1. TERRAMASTER F4-425 – Best Value Media Hub

4.0Editor scoreCheck price on Amazon

TERRAMASTER F4-425

Intel Quad-Core CPU

4K Transcoding

2.5GbE Port

120TB Max

The TERRAMASTER F4-425 stands out as a powerful entry for home media enthusiasts seeking value. With an Intel x86 quad-core processor and 4GB RAM, it handles 4K transcoding efficiently. Its rating reflects solid performance for the price point.

Pros

• Fast file transfers
• Quiet operation
• Tool-free drive access
• AI photo organization
• Affordable pricing

Cons

• Basic software features
• Limited app ecosystem

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Hardware acceleration for H.265 decoding ensures smooth streaming via Plex or Emby. The 2.5GbE port accelerates large file transfers. AI photo albums keep your media organized without heavy manual tagging.

While software may lack depth compared to premium rivals, the setup is straightforward. The tool-free design simplifies drive installation. It operates quietly, making it suitable for living rooms.

Buy this if you prioritize raw performance and storage capacity over advanced enterprise features. It delivers reliable storage for families managing large video libraries.

Efficient Media Streaming

Dedicated hardware transcoding allows multiple users to stream high-definition content without buffering.

Simple Drive Installation

Push-Lock trays allow you to install hard drives in seconds without tools.

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2. UGREEN DXP4800 GT – Best High Performance NAS

4.6Editor scoreCheck price on Amazon

UGREEN DXP4800 GT

AMD Ryzen R2514

Dual 10GbE

64GB RAM Max

144TB Storage

The UGREEN DXP4800 GT is designed for creators needing speed and multitasking. Powered by an AMD Ryzen processor and dual 10GbE ports, it handles heavy workloads. Its high rating signals strong approval from tech enthusiasts.

Pros

• 10GbE networking
• High RAM expandability
• Surveillance center
• USB and SD slots
• Robust security

Cons

• Higher price point
• Manual Plex setup

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With up to 64GB RAM support, virtual machines and Docker containers run smoothly. The built-in surveillance center adds security value. Local privacy features ensure data remains under your control.

Some users may find the manual setup for certain apps complex. The price reflects its premium hardware. However, the throughput justifies the cost for professional workflows.

This unit is ideal for editing teams or power users who demand fast local access. It bridges the gap between consumer and enterprise-grade storage.

Blazing Fast Throughput

Dual 10GbE ports enable theoretical speeds up to 2.5GB/s with link aggregation.

Versatile Connectivity

Built-in SD slot and high-speed USB ports simplify direct device transfers.

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3. Synology DS425+ – Best for Team Productivity

4.6Editor scoreCheck price on Amazon

Synology DS425+

Team Focus

10+ User Access

Granular Controls

30 Cameras

The Synology DS425+ targets businesses needing reliable document management. It supports concurrent access for over ten users efficiently. Granular controls ensure sensitive files stay secure. Its rating underscores trust in business environments.

Pros

• Granular access controls
• Audit logs
• Snapshot protection
• Professional support
• Enterprise warranty

Cons

• Expensive
• Limited gaming media features

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Features like audit logs and layered protection prevent data loss. Surveillance support extends its utility beyond file storage. Centralized repositories streamline collaboration.

Cost is a barrier for home users. However, for small teams, the value is high. Synology's enterprise support adds peace of mind.

Choose this if your priority is secure document sharing. It excels in environments where data integrity is paramount.

Secure Document Sharing

Audit logs track file access ensuring accountability for team members.

Robust Data Protection

Combination of RAID and snapshots protects against accidental deletion.

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4. UGREEN DXP4800 Plus – Balanced Family Performance

4.6Editor scoreCheck price on Amazon

UGREEN DXP4800 Plus

High-Performance Processor

10GbE Network

AI Photo Features

144TB Max

The UGREEN DXP4800 Plus offers a balance of speed and usability. It features fast 10GbE networking and AI photo albums. Families benefit from intuitive file sharing across devices. Its high rating suggests strong user satisfaction.

Pros

• Fast transfers
• User-friendly app
• Wide compatibility
• AI organization
• Flexible RAID

Cons

• No Wi-Fi
• Manual Plex setup

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Apps work across Windows and macOS. Automatic backups simplify data protection. The design avoids unnecessary complexity.

Lack of Wi-Fi limits placement flexibility. Yet, wired connections ensure stability. The warranty provides adequate support.

This NAS fits households needing reliable storage. It simplifies media management for non-technical users.

Smart Photo Management

AI recognition organizes photos by people and locations automatically.

Universal Compatibility

Seamless operation across major operating systems and smart TVs.

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5. UGREEN DH4300 Plus – Best Entry-Level Home NAS

4.2Editor scoreCheck price on Amazon

UGREEN NAS DH4300 Plus

Entry-Level NAS

2.5GbE Network

Smart Photo Backup

128TB Capacity

The UGREEN DH4300 Plus simplifies private storage for home users. It avoids recurring cloud fees with one-time purchase benefits. Easy setup and app support make it accessible. Ratings reflect satisfaction among beginners.

Pros

• Cost-effective
• Beginner-friendly
• Private cloud
• Secure storage
• Good warranty

Cons

• No virtual machines
• Basic processing power

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Features like AI photo albums help organize memories. Security certifications ensure privacy. Magnetic covers offer thoughtful design touches.

Limited to Docker without full VM support. But for basic storage and backups, it suffices. Savings over cloud plans are significant.

Select this for straightforward home needs. It delivers privacy without technical hurdles.

Private Data Control

Local storage ensures your files remain private from third-party clouds.

Long-Term Savings

One-time cost beats monthly subscriptions over many years.

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6. Synology DS925+ – Versatile Mid-Range NAS

4.2Editor scoreCheck price on Amazon

Synology DS925+

565MB/s Throughput

Dual 2.5GbE

Virtualization

3-Year Warranty

The Synology DS925+ brings reliable performance to mid-tier users. Dual 2.5GbE ports ensure network redundancy. Its software supports virtualization well. Ratings indicate stable operation in diverse settings.

Pros

• High read speeds
• Dual networking
• Virtualization support
• Reliable brand
• File management

Cons

• Expensive hardware
• Complex OS for newbies

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File management tools are comprehensive. Surveillance integration is robust. Warranty terms are standard for the brand.

Price points are higher than competitors. The learning curve exists for newcomers. Yet, reliability justifies the expense.

Opt for this if stability is key. It balances power and usability effectively.

Network Redundancy

Dual Ethernet ports prevent single-point network failures.

Virtualization Ready

Integrated tools allow running lightweight virtual machines.

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7. Yxk Zero1 Pro – Best for Home Theater

4.4Editor scoreCheck price on Amazon

Yxk Zero1 Pro

Intel N100

8GB RAM

4K HDMI

Third-Party OS

The Yxk Zero1 Pro caters to home media setups. HDMI output connects directly to TVs. Intel N100 provides sufficient power for general tasks. Ratings highlight its ease of use.

Pros

• HDMI output
• Affordable CPU
• Third-party support
• Beginner setup
• Aluminum housing

Cons

• Limited official support
• Basic RAM capacity

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Aluminum casing manages heat efficiently. Support for third-party OS offers flexibility. Shared media libraries are easy to configure.

Official support may lag behind bigger brands. Hardware is entry-level. However, value is high for hobbyists.

Buy this for DIY home servers. It offers great customization for media lovers.

Direct HDMI Streaming

Connect directly to your TV for local media playback.

Open Software Support

Install custom operating systems for advanced control.

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8. Asustor Drivestor 4 Gen 2 – Best Budget NAS

4.0Editor scoreCheck price on Amazon

Asustor Drivestor 4 Gen 2

Realtek Quad-Core

1GB RAM

Btrfs Snapshots

2.5GbE Network

The Asustor Drivestor 4 Gen 2 is an affordable solution for small needs. WORM technology protects against ransomware. Streaming supports 4K smoothly. Ratings show decent satisfaction for the price.

Pros

• Low cost
• Btrfs protection
• 4K streaming
• Simple setup
• USB options

Cons

• Low RAM base
• Basic multitasking

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Setup is straightforward. USB ports allow quick backups. The OS is user-friendly.

RAM may limit heavy multitasking. Performance is sufficient for basic tasks. Value remains strong.

Choose this for tight budgets. It delivers essential features without bloat.

Ransomware Protection

Immutable snapshots lock data against malicious encryption attacks.

Cost Efficiency

Lower entry price makes private cloud accessible to all.

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9. Synology DS423 – Best for Secure Backup

4.4Editor scoreCheck price on Amazon

Synology DS423

Private Cloud

Snapshot Protection

Surveillance

2-Year Warranty

The Synology DS423 excels at secure sharing. Versioned files protect against errors. Surveillance options integrate well. Ratings reflect trust in data safety.

Pros

• Secure sharing
• Ransomware resistance
• Family friendly
• Simple interface
• Reliable OS

Cons

• Mid-range price
• Limited expansion

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Remote access is smooth. File server features replace cloud subscriptions. Warranty is standard.

Price sits higher than budget models. Expansion options are minimal. Security remains top priority.

Ideal for families and small businesses prioritizing safety. It simplifies secure collaboration.

Data Versioning

Recover files from previous states instantly after accidental changes.

Family Friendly

Private cloud setup is intuitive for non-tech family members.

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10. UGREEN DXP4800 Pro – Best Workstation Powerhouse

4.4Editor scoreCheck price on Amazon

UGREEN DXP4800 Pro

Intel i3-1315U

96GB RAM Max

10GbE/2.5GbE

PCIe 4.0 SSD

The UGREEN DXP4800 Pro delivers workstation-class performance. Powerful CPUs run VMs effortlessly. Dual network options ensure speed. Ratings reflect high-end capability.

Pros

• Strong CPU
• High RAM
• Dual NICs
• Data Vault
• Privacy certs

Cons

• Premium price
• Complex OS

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Privacy certifications offer trust. Data Vault hides sensitive files. AI processing stays local.

Cost is a significant factor. Learning curve exists. But performance is unmatched.

Select this for professional workflows. It handles heavy data processing with ease.

Pro Performance

Intel i3-1315U delivers desktop-class speed for multitasking.

Data Privacy

Certified security ensures data stays private from external parties.

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Buying Guide – How to Choose the Best 4 Bay NAS

Selecting the right NAS requires balancing speed, storage, and budget. This guide outlines critical factors to ensure your choice fits your long-term needs.

Processor Power

The CPU dictates multitasking ability. Look for Intel or AMD chips if you plan to run virtual machines. Low-power CPUs suffice for simple file storage.

Choose a faster processor for media transcoding or heavy app usage.

Network Connectivity

Network ports affect transfer speeds. 2.5GbE or 10GbE is vital for large files. Gigabit ports limit throughput on fast networks.

Ensure your router matches the NAS speed to avoid bottlenecks.

RAM Capacity

RAM handles simultaneous user connections. More users or apps require more memory. Upgradability adds future value.

Opt for models with expandable RAM to support growth over time.

Software Features

Operating systems differ in ease of use. Synology offers intuitive interfaces while others allow more customization. Check supported apps like Docker or Surveillance.

Test software demos to ensure the interface suits your skill level.

Security Options

Data protection is essential. Look for encryption, snapshots, and secure remote access. Ransomware resistance is becoming standard in modern systems.

Prioritize systems with robust encryption and permission management tools.

Expansion Capabilities

Consider how you can add drives later. Some models support M.2 slots or additional enclosures. Capacity limits vary by model and drive size.

Check if future upgrades are possible without replacing the unit.

Warranty and Support

Reliable support ensures minimal downtime. Manufacturers often offer two to three years of coverage. Check community forums for troubleshooting help.

Select brands with dedicated support teams for critical business use.

Budget vs Value

Higher costs often bring better build quality. Calculate long-term savings versus cloud subscriptions. Balance features against your actual usage needs.

Invest in durability if the NAS will run 24/7 continuously.

How to Use and Care for Your 4 Bay NAS

Start by installing hard drives securely. Most units have tool-free trays. Align cables and connect to your router before powering on.

Configure your storage space via the admin panel. Create user accounts and set permissions carefully. Regularly update firmware to maintain security.

Keep the device in a cool, dry spot. Ensure fans are not blocked by dust. Periodically check health status to avoid drive failure surprises.

Frequently Asked Questions

Final Thoughts on Choosing the Best 4 Bay NAS

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