10 Best 4 Bay NAS in 2026

Finding the right network attached storage solution is crucial for managing your digital life efficiently. A 4 Bay NAS offers ample room for multiple hard drives, providing significant storage capacity while maintaining data redundancy through RAID configurations. These devices serve as private clouds, media servers, and backup stations for homes and small offices.

We evaluated ten leading 4 Bay NAS models based on processor power, network connectivity, software ecosystem, and ease of use. Our analysis covers everything from budget-friendly entry-level units to high-performance workstations designed for creators and IT professionals. Each product was assessed for its ability to handle modern storage demands and media streaming tasks.

This roundup highlights the strengths and weaknesses of each unit to help you make an informed decision. Whether you need simple file sharing or advanced virtualization capabilities, you will find a suitable match here. Please note that prices and availability change frequently so check current listings before purchasing your device.

Top 3 Picks for Best 4 Bay NAS

Top 10 Best 4 Bay NAS in 2026 Compared

The following table provides a side-by-side overview of the top ten 4 Bay NAS models available in October 2026. Compare key specifications such as processor type, RAM capacity, network ports, and total storage potential to find the unit that best fits your specific needs and budget constraints.

1. UGREEN NAS DXP4800 Plus – Best Overall 4 Bay NAS

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 Plus

AMD Ryzen Processor

144TB Max Storage

10GbE Port

AI Photo Management

The UGREEN NAS DXP4800 Plus stands out as the best overall 4 Bay NAS in this lineup. It combines high-performance hardware with a user-friendly interface that appeals to both families and creators. With a 4.6 star rating it delivers reliable storage and media services for diverse users.

Pros

• Fast 10GbE networking
• Powerful processor for VMs
• Intuitive UGOS software
• Strong AI photo features

Cons

• No Wi-Fi support
• Requires separate drive purchase

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Its AMD Ryzen processor and 10GbE port ensure rapid data transfers and smooth multitasking. You can run Docker containers virtual machines and handle large media files without lag. The UGOS software simplifies management while AI features organize your photos automatically for easy retrieval.

While it lacks Wi-Fi support which limits placement options the wired connection provides stable high-speed access. Drives are not included so factor in additional costs for storage. These trade-offs are acceptable given the robust performance and feature set offered at this price point.

If you need a versatile private cloud that grows with your needs this model is ideal. It balances power and ease of use better than competitors making it the top recommendation for most households and small teams looking for serious storage solutions.

Speed and Performance

The 10GbE network port allows for file transfers up to 1GB per second significantly faster than standard Gigabit networks.

Photo Organization

Built-in AI recognizes faces and scenes to create smart albums saving you time sorting through thousands of images.

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2. Yxk Zero1 Pro – Best Budget 4 Bay NAS

4.4Editor scoreCheck price on Amazon

Yxk Zero1 Pro

Intel N100 CPU

144TB Raw Capacity

2.5GbE Ports

Aluminum Housing

The Yxk Zero1 Pro offers the most accessible entry point for those seeking a 4 Bay NAS without breaking the bank. It features an Intel N100 processor that handles everyday tasks efficiently while keeping power consumption low. This makes it perfect for home media and document storage.

Pros

• Affordable entry price
• Intel N100 efficiency
• HDMI video output
• Easy app setup

Cons

• Limited RAM upgrade path
• Basic software ecosystem

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Setup is guided through a mobile app making it friendly for first-time users. You get two 2.5GbE ports for decent network speeds and HDMI output to connect directly to a TV for media playback. The aluminum case ensures good heat dissipation during long operations.

Software capabilities are more basic compared to high-end units but sufficient for core needs. You cannot expand RAM beyond 8GB which limits heavy multitasking or virtualization projects. However for simple file sharing and photo backup the value proposition is excellent.

Choose this model if you want to dip your toes into NAS territory without a huge investment. It provides the core benefits of private storage and remote access at a price that beats most competitors in the budget category.

Media Center Ready

Connect the HDMI port to your TV to play stored movies directly without needing another media device like a streaming box.

Cooling Design

The aluminum housing combined with dual fans keeps the system quiet and cool even during overnight backup tasks.

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3. UGREEN NAS DXP4800 Pro – Best Premium 4 Bay NAS

4.4Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 Pro

Intel Core i3-1315U

96GB RAM Expandable

10GbE + 2.5GbE

ETSI Security Certified

The UGREEN NAS DXP4800 Pro is built for power users who need workstation-level performance in a storage box. With an Intel Core i3-1315U processor and support for up to 96GB RAM it handles complex workloads like running multiple virtual machines simultaneously. It is the premium choice for developers and IT professionals.

Pros

• High-end Intel Core CPU
• Massive 96GB RAM support
• Dual speed networking ports
• Enterprise-grade security

Cons

• Highest price in lineup
• Overkill for simple home use

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Network connectivity is top-tier with one 10GbE port and one 2.5GbE port allowing flexible high-speed setups. Security is a major focus with TRUSTe and ETSI certifications ensuring your data remains private. The UGOS Pro system integrates media management and cloud sync seamlessly.

The cost is significantly higher than other models which might not be justified for basic home users. However if you need raw power to run development environments or serve media to many users the investment pays off. It is a robust solution for serious workflows.

Select this unit if you require enterprise features in a compact form factor. Its ability to scale memory and processing power means it will remain relevant for years even as your storage and computing demands grow.

Virtualization Power

Run multiple operating systems or applications in virtual machines simultaneously without slowing down file access for others.

Security First

Granular permissions and encryption ensure that sensitive business data is protected from unauthorized access or leaks.

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4. TERRAMASTER F4-425 – Best for Quiet Operation

4.0Editor scoreCheck price on Amazon

TERRAMASTER F4-425

Intel x86 Quad-Core

21dB Noise Level

120TB Max Capacity

Tool-Free Drive Trays

The TERRAMASTER F4-425 is a solid mid-range option that prioritizes quiet operation and simplicity. Operating at just 21dB it is quiet enough to place in a bedroom or living room without noise distraction. It handles 4K transcoding and file transfers efficiently with its quad-core CPU.

Pros

• Very quiet 21dB operation
• Simple mobile setup
• Fast 2.5GbE transfer
• Affordable performance

Cons

• Basic OS features
• Limited RAM out of box

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Setup is managed entirely through the TNAS Mobile app allowing you to initialize the NAS without a PC. The tool-free drive trays make adding or swapping hard drives incredibly easy. This user-friendly design is great for households that want a set-and-forget media server.

The operating system is less feature-rich than Synology or UGREEN so advanced features are limited. With only 4GB RAM it may struggle with heavy multitasking compared to competitors. However for media streaming and basic backup it delivers reliable performance.

This model suits users who want a quiet media hub for family entertainment without complex IT management. Its balance of price and performance makes it a strong contender for those focused on video playback and storage rather than virtualization.

Media Streaming

Hardware decoding supports smooth 4K playback on multiple devices simultaneously for a seamless home theater experience.

Easy Maintenance

The push-lock HDD trays allow you to install or remove drives in seconds without needing any tools.

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5. UGREEN NAS DH4300 Plus – Best for Beginners

4.2Editor scoreCheck price on Amazon

UGREEN NAS DH4300 Plus

LPDDR4X RAM

128TB Capacity

ETSI Certified

NFC Connect Setup

The UGREEN NAS DH4300 Plus is specifically designed for beginners transitioning from cloud storage to private ownership. Its NFC pairing feature simplifies the connection process making it easier to get started. The system includes robust security certifications to reassure users concerned about data privacy.

Pros

• NFC quick pairing
• Cost-effective long term
• Strong encryption standard
• Docker app support

Cons

• No virtual machines
• Wired connection only

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It offers a cost-effective alternative to monthly cloud fees while providing unlimited storage potential with 128TB capacity. The 2.5GbE port ensures fast local transfers for remote workers needing quick access to large files. Docker support adds some flexibility for running lightweight apps.

Virtual machine support is missing which limits advanced IT use cases compared to higher models. Users must rely on wired Ethernet without Wi-Fi options for network access. Despite these limits it fulfills core backup and storage needs well.

Choose this for a hassle-free private cloud experience if you do not need advanced virtualization. It is ideal for families seeking to organize photos and documents securely without complex configuration or recurring subscription costs.

Quick Setup

Use NFC to pair your phone and NAS instantly eliminating the need for complex network configuration steps.

Long-Term Savings

One-time purchase cost beats years of cloud storage subscriptions offering significant savings over time.

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6. Synology DS425+ – Best Enterprise Support

4.6Editor scoreCheck price on Amazon

Synology DS425+

Team Productivity Tools

10+ Concurrent Users

Enterprise Warranty

Audit Logs Support

The Synology DS425+ targets teams needing reliable and protected file sharing. It supports over ten concurrent users with granular access controls to maintain order. The system includes dedicated technical account management which is rare for consumer NAS units ensuring help is available when needed.

Pros

• Strong enterprise features
• 3-year warranty support
• User management tools
• High data protection

Cons

• Higher price point
• Focus on business needs

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Multi-layered data protection combines RAID with snapshots and automated backups to prevent loss. The software provides clear audit logs so admins know who accessed which files. This transparency is crucial for businesses handling sensitive client documents or intellectual property.

For home users this level of enterprise features might be more than necessary and comes at a higher cost. The hardware is robust but often paired with a focus on business workflows. It is an excellent investment for small offices however.

Opt for this unit if you need secure file sharing for a team or organization. The strong warranty and administrative tools make it a trustworthy choice for keeping business data safe and accessible.

Audit Trails

Track every file access and modification to maintain accountability and security compliance within your team.

Data Recovery

Snapshots allow you to revert files to previous states instantly if accidental changes or deletions occur.

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7. UGREEN NAS DXP4800 GT – Best for Creators

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 GT

AMD Ryzen R2514

Up to 64GB RAM

144TB Capacity

Surveillance Center Built

The UGREEN NAS DXP4800 GT is designed for creators who need to move large video and photo files quickly. With dual 10GbE ports and support for up to 64GB RAM it handles heavy workloads without bottlenecks. The built-in SD card slot makes importing footage from cameras seamless.

Pros

• High RAM expandability
• Dual 10GbE network
• Local storage privacy
• SD card import slot

Cons

• Requires ECC RAM upgrade
• Manual Plex setup

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You can store your data locally maintaining full privacy and ownership without third-party cloud risks. UOS Pro simplifies the setup process with on-screen tips and a clean interface. This helps tech enthusiasts get started running self-hosted apps like Home Assistant or Plex efficiently.

ECC RAM requires a manual upgrade to access error correction which adds steps to the initial build. Plex also needs manual setup via Docker rather than a native install which might deter non-technical users. These are minor hurdles for powerful hardware.

This model is perfect for video editors or photographers needing high throughput and large storage. Its balance of speed and capacity ensures your editing workflows stay smooth even with massive project libraries.

Camera Import

Insert your SD card directly into the NAS to copy photos and videos without needing a separate card reader.

Local Security

Advanced encryption ensures your personal and business files stay private and protected from external breaches.

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8. Synology DS925+ – Best for Virtualization

4.2Editor scoreCheck price on Amazon

Synology DS925+

Dual 2.5GbE Ports

Virtualization Ready

Surveillance Solutions

File Management Tools

The Synology DS925+ is a strong contender for users wanting to run virtual machines alongside standard storage. Its robust operating system manages resource allocation effectively ensuring VMs do not slow down file access. The dual 2.5GbE ports provide network redundancy for stable connections.

Pros

• Strong virtualization support
• Reliable OS software
• Dual port redundancy
• High throughput speeds

Cons

• Limited port expansion
• Higher cost premium

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Synology's software ecosystem is known for reliability and frequent updates that keep features fresh and secure. The build quality supports long-term use in professional environments where uptime matters. It offers a good balance of capacity and performance for small teams.

Upgrading ports or adding more interfaces might be constrained by the fixed design of the chassis. While it offers great value for stability the price reflects the Synology brand premium over budget alternatives. It remains a top choice for reliable virtualization.

Choose this unit if you need a dependable machine to host lightweight services or test environments. Its proven track record makes it a safe investment for those valuing stability over raw peak performance.

Network Redundancy

Two network ports allow you to balance traffic or set up a failover so you stay connected if one cable fails.

File Management

Built-in tools let you organize and share files easily across your network with minimal configuration effort.

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9. Asustor Drivestor 4 Gen 2 – Best Entry Level

4.0Editor scoreCheck price on Amazon

Asustor Drivestor 4 Gen 2

Realtek Quad-Core CPU

2.5GbE Port

Enterprise Data Protection

4K Media Streaming

The Asustor Drivestor 4 Gen 2 offers the lowest price in this comparison making it accessible for tight budgets. Despite the cost it includes enterprise-grade data protection features like Btrfs snapshots to guard against accidental deletions. This is rare for entry-level devices.

Pros

• Lowest price point
• Enterprise-grade protection
• Snapshot technology
• Simple media center

Cons

• Limited RAM only 1GB
• Fewer app options

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Its quad-core processor handles basic multitasking well enough for file sharing and media streaming tasks. The 2.5GbE port speeds up transfers compared to standard Gigabit connections. You can also stream 4K video directly to compatible smart TVs without extra hardware.

Memory is limited to 1GB which restricts heavy multi-app usage or complex automation. The app ecosystem is smaller compared to other brands but covers the basics adequately. It is a functional solution for simple needs only.

If you want to start a private cloud on a budget this is a solid starting point. It provides essential protection and streaming capabilities without forcing you to pay for premium features you may not use yet.

Ransomware Protection

WORM technology locks critical files against accidental changes or ransomware attacks keeping them safe.

Quick Backup

Automated backups run in the background so your data is always safe without manual intervention.

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10. Synology DS423 – Best for Family Backup

4.4Editor scoreCheck price on Amazon

Synology DS423

Family Backup Tools

Photo Vault Feature

Ransomware Resistant

Surveillance Support

The Synology DS423 focuses on safe and simple backup for families and small businesses. It includes a dedicated Photo Vault to isolate precious images from the rest of the system reducing risk of accidental deletion. Immutable snapshots ensure ransomware cannot hold your backups hostage.

Pros

• Strong backup strategies
• Photo vault isolation
• Immutable snapshots
• Simple remote access

Cons

• Limited camera license
• Basic performance

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Remote access allows you to retrieve files from anywhere securely without needing complex port forwarding. The system supports up to thirty IP cameras allowing you to centralize your home security recording. This all-in-one approach simplifies managing digital assets.

Performance is adequate for backups and file sharing but not ideal for heavy media transcoding or virtualization. Camera licenses must be purchased separately which adds to the total cost. Still it excels at its core mission of data protection.

Select this unit if data security is your primary concern over raw speed. It gives you peace of mind knowing your family photos and business documents are backed up safely across multiple destinations.

Photo Vault

Keep sensitive photos in a separate protected folder to prevent accidental access or deletion by others.

Multi-Destination

Back up to multiple drives or cloud services so you have copies in different locations for added safety.

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Buying Guide – How to Choose the Best 4 Bay NAS

Selecting the right 4 Bay NAS requires understanding your storage needs performance expectations and budget constraints. This guide breaks down the critical factors to consider before purchasing a unit.

Processor and RAM

The processor determines how fast the NAS can handle tasks like video transcoding virtual machines and data indexing. A powerful quad-core CPU is essential for multitasking while at least 8GB RAM allows for smoother operation with multiple users. Upgradability is also key if you plan to grow your usage over time.

Look for processors like Intel N-series or Ryzen embedded models for balanced efficiency and power.

Network Connectivity

Network speed affects how quickly you can access files especially on large media libraries or busy networks. A 2.5GbE port is becoming standard for mid-range units while 10GbE offers professional speeds for heavy workflows. Ensure your router supports these speeds to avoid bottlenecks.

Prioritize models with dual Ethernet ports for link aggregation or redundancy to maximize transfer rates.

Storage Capacity

A 4 Bay NAS allows you to use four hard drives which can be configured in RAID to protect against data loss. Total capacity depends on drive size but many units support up to 144TB when using 32TB drives per slot. Check compatibility lists to ensure your chosen drives will work.

Always buy drives separately and verify the maximum supported size before purchasing the NAS unit.

Software and Ecosystem

The operating system is what makes a NAS user-friendly with apps for backup photo management and surveillance. Some brands like Synology offer mature software suites while others like UGREEN are improving rapidly. Look for features like mobile apps and remote access tools to manage data easily.

Choose a brand with a good reputation for software updates to keep security and features current.

Virtualization Support

Advanced users may want to run virtual machines or Docker containers to host custom services on the NAS. High-end units provide more RAM and CPU cores to support these workloads without slowing down file transfers. Check if Docker or full VM support is included in your chosen model.

If you plan to run multiple apps or servers verify that the RAM is expandable to handle the load.

Expansion Slots

Some NAS units include M.2 slots for SSD caching or additional storage expansion. This allows you to speed up access to frequently used files without buying new hard drives. HDMI outputs are also available on some models for direct TV connection media playback.

Assess whether you need SSD slots for speed or HDMI for media center functionality before buying.

Security Features

Data security is critical for private clouds so look for encryption and certification like TRUSTe or ETSI. Features like two-factor authentication and granular permissions help protect your files from unauthorized access. Ensure the device supports secure remote access protocols for safe off-site usage.

Prioritize models with built-in tools like snapshots and ransomware protection to safeguard against data loss.

Warranty and Support

A solid warranty ensures you are covered in case of hardware failure or defects. Many top brands offer three years of coverage which provides peace of mind for long-term investments. Check if customer support is responsive and available through phone or online channels.

Opt for units with longer warranties and accessible support teams to minimize downtime if issues arise.

How to Use and Care for Your 4 Bay NAS

Start by installing your hard drives into the drive bays carefully following the manufacturer's guide. Most modern NAS units use tool-free trays that click into place securely. Once installed connect the power and network cables then follow the setup wizard on your phone or computer to initialize the system.

Keep your firmware updated through the NAS settings menu to ensure you have the latest security patches. Regularly check your storage health and RAID status to catch any drive warnings early. Using the mobile app you can set up automatic photo backups so your device data is always saved without manual effort.

Place the NAS in a well-ventilated area to prevent overheating during heavy use. Dusting the vents periodically helps maintain airflow and extends the lifespan of the fans. If you hear unusual noises or see error lights refer to the help documentation or support resources immediately.

Frequently Asked Questions

Final Thoughts on Choosing the Best 4 Bay NAS

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