10 Best 4 Bay NAS (November 2026)

A 4 Bay NAS offers centralized storage, private cloud access, and powerful media hosting for home or small office networks. It keeps your files safe and accessible across devices without relying on expensive monthly cloud subscriptions.

We compared ten top-rated 4 Bay NAS models based on performance, software features, expandability, and user feedback. Our analysis covers everything from entry-level home units to professional-grade powerhouses designed for demanding workflows.

Each pick highlights key strengths, honest trade-offs, and ideal use cases to help you choose the right device. Prices and availability can change frequently, so verify current details before making your final purchase decision online.

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 capabilities of each model to help you quickly identify which unit matches your specific performance and storage needs.

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

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 Plus

AMD Ryzen R2514 CPU

Up to 144TB Capacity

Dual 10GbE Ports

UGOS Pro Operating System

The UGREEN NAS DXP4800 Plus stands out as a versatile and high-performance solution for families and small teams seeking a private cloud. With a robust AMD Ryzen processor and expandable RAM, it handles media transcoding and Docker applications seamlessly.

Pros

• Powerful processor for multitasking
• High-speed network connectivity
• Intuitive user interface
• Flexible storage expansion options
• Strong encryption protocols

Cons

• Requires separate drive purchase
• Price higher than basic units

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Its dual 10GbE ports provide exceptional transfer speeds that eliminate bottlenecks during large file backups or video editing workflows. The UGREENNAS Pro operating system simplifies setup while offering advanced features like virtual machines and granular permission controls for secure collaboration.

While it requires purchasing drives separately and carries a premium price, the investment delivers long-term savings compared to recurring cloud subscription costs. The AI photo album further enhances its utility by organizing vast libraries automatically based on faces and scenes.

This model is ideal for power users who need a balance of speed, storage capacity, and software flexibility. It delivers professional-grade features in a compact chassis that fits comfortably in home offices or media centers.

High-Speed Networking for Pro Workflows

The dual 10GbE ports enable theoretical transfer speeds up to 2.5GB/s with link aggregation, ensuring smooth 4K/8K editing directly from the NAS without needing local storage.

AI-Powered Photo Management

Built-in AI tools recognize faces and scenes to organize photos into smart albums, while duplicate detection helps free up valuable storage space automatically.

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

4.4Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 Pro

Intel Core i3-1315U CPU

Up to 96GB RAM

DDR5 Support

13th Gen UHD Graphics

Targeted at developers and power users, the UGREEN NAS DXP4800 Pro delivers workstation-level performance with its Intel Core i3 processor and DDR5 RAM support. It serves as a private workstation for running multiple virtual machines and Docker containers efficiently.

Pros

• Pro-grade CPU performance
• DDR5 memory support
• Advanced virtualization features
• High-speed SSD cache slots
• Enterprise security certifications

Cons

• Significant investment required
• Complex for non-technical users

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The inclusion of PCIe 4.0 M.2 slots allows for ultra-fast caching or storage pools that eliminate HDD bottlenecks during intensive tasks. Its comprehensive security features including data vault encryption and TRUSTe certification ensure sensitive development data remains protected from threats.

The cost is higher than standard home units, and its advanced features require some technical knowledge to maximize effectively. However, for teams needing a centralized hub for software development or video editing, the performance gains justify the expense.

Choose this model if you require professional-grade hardware capabilities in a network-attached storage device. It scales well with demanding workflows and provides the stability needed for business-critical production environments.

Pro-Grade Core Hardware Performance

Powered by Intel Core i3-1315U with 6 cores and 8 threads, this NAS handles complex multitasking and virtualization with significant performance lead over typical NAS processors.

Ultimate Flexibility with AI

Local AI processing handles photo recognition and organization without sending data to external servers, ensuring privacy while managing massive libraries effortlessly on-device.

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3. UGREEN NAS DH4300 Plus – Best Budget 4 Bay NAS

4.2Editor scoreCheck price on Amazon

UGREEN NAS DH4300 Plus

2.5GbE Network Port

8GB LPDDR4X RAM

Up to 128TB Capacity

Docker Support Included

The UGREEN NAS DH4300 Plus offers an accessible entry point for families transitioning from cloud storage or external drives to a private network. It combines ease of use with essential features like automated photo backup and AI organization tools.

Pros

• Affordable entry-level pricing
• Beginner-friendly setup
• Smart photo backup features
• Secure encryption certified
• Magnetic dust cover design

Cons

• No virtual machine support
• Lower max speed than premium

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Equipped with a high-performance processor and 8GB RAM, it handles daily tasks like file sharing and 4K media streaming smoothly. The TRUSTe certified encryption ensures data privacy while the magnetic dust cover adds a touch of premium design to the unit.

While it lacks virtual machine support and has lower maximum speeds than higher-end models, it provides excellent value for typical home usage. The cost savings compared to ongoing cloud subscriptions become significant over years of ownership.

This unit is perfect for users who want a simple, reliable, and secure home storage solution without complexity. It delivers a private cloud experience that is intuitive for beginners but powerful enough for growing family archives.

Smart Photo Backup and AI Album

Photos and videos back up from phones in real time, while semantic search and duplicate removal help keep your growing library organized automatically.

User-Friendly App and Setup

Connect quickly via NFC and use the beginner-friendly app on any device to share files and access data remotely without needing a computer.

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4. UGREEN NAS DXP4800 GT – Best Surveillance 4 Bay NAS

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 GT

AMD Ryzen R2514 CPU

8GB RAM Expandable

Surveillance Center Built-In

Dual 10GbE Ports

The UGREEN NAS DXP4800 GT is an excellent choice for creators and office teams needing robust networking and security features. Its AMD Ryzen processor provides the power needed for multitasking workloads like backups and media processing simultaneously.

Pros

• Built-in surveillance management
• High-speed 10GbE networking
• Expandable RAM to 64GB
• Flexible RAID support
• Private cloud security

Cons

• No Wi-Fi support
• Manual Plex setup required

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A standout feature is the built-in Surveillance Center which allows you to manage IP cameras and record footage locally without extra subscriptions. Dual 10GbE ports enable lightning-fast transfers that support stable streaming and rapid backups for demanding users.

While it does not include Wi-Fi support requiring wired connections, this ensures maximum stability for professional setups. Plex can run via Docker but requires manual configuration which may challenge less technical users initially.

This model fits users who prioritize network speed and integrated security monitoring alongside standard storage needs. It offers professional capabilities and a flexible ecosystem that grows with your data and workflow requirements.

Surveillance Center Built-In

Connect compatible IP cameras to turn your NAS into a full security control center with live multi-view and event detection without separate cloud fees.

High-Performance Multitasking

Powered by 4 cores and 8 threads with expandable RAM, this NAS handles backups, media processing, and Docker apps smoothly.

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5. UGREEN NAS DXP4800 GT – Best for Video Editing 4 Bay NAS

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 GT

Up to 144TB Total

Dual 10GbE Networking

Local-like Editing Support

UGOS Pro OS

With its dual 10GbE networking and fast SSD expansion, the UGREEN NAS DXP4800 GT supports local-like editing workflows directly from the device. This makes it ideal for video editors working with high-resolution assets who need quick access to large files.

Pros

• Supports local editing speeds
• 144TB maximum capacity
• SD card slot included
• Secure encryption protocols
• Flexible RAID support

Cons

• Expensive compared to alternatives
• Requires compatible network gear

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The UOS Pro operating system simplifies management while supporting Docker applications that extend functionality to media servers and smart home hubs. An SD card slot allows creators to import footage directly without extra hardware or cables.

Achieving maximum speeds requires compatible network equipment like 10GbE switches which adds to the total setup cost. However, the performance gains in transferring large datasets make it a worthwhile investment for professionals.

Select this model if you need a centralized storage solution that functions as a high-speed workspace for creative teams. It combines massive capacity with the network performance necessary for professional content creation.

USB and SD Instant Backup

Built-in SD card slot lets creators import photos and videos without an external reader while USB ports enable fast transfers to camera footage.

Local Privacy and Security

Store files locally instead of third-party cloud servers with TLS and SSL encryption to protect logins and data transfers continuously.

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6. UGREEN NAS DH4300 Plus – Best Value for Families 4 Bay NAS

4.2Editor scoreCheck price on Amazon

UGREEN NAS DH4300 Plus

Cost-effective Storage Solution

Secure Private Cloud

4K HDMI Output

128TB Massive Capacity

The UGREEN NAS DH4300 Plus represents a smart financial move for families tired of recurring subscription fees. Over a ten-year period, owning this unit costs significantly less than paying for equivalent cloud storage plans while giving you full data control.

Pros

• Significant cost savings over cloud
• Private ownership of data
• Simple mobile app access
• Automatic backups included
• High storage capacity

Cons

• No virtual machine features
• Wired Ethernet connection only

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It offers a secure private cloud experience with advanced encryption that protects your files from unauthorized access. The 4K HDMI output allows you to connect directly to a TV for local media playback without needing extra streaming devices.

While it lacks advanced virtual machine features and requires wired connections for stability, these constraints are acceptable for typical home use. The intuitive app ensures that anyone can access files remotely from phones or computers easily.

This NAS is perfect for households looking to consolidate photos, videos, and documents into one secure location. It provides a reliable and cost-effective alternative to cloud services for long-term personal storage.

More Cost-effective Storage Solution

Save over $6,000 in ten years compared to cloud storage fees with a one-time purchase that secures your private data locally.

Your Data You Control

No third-party clouds and no hidden access ensure you retain full ownership and security over your files with local automatic backups.

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7. TERRAMASTER F4-425 – Best Home Media Hub 4 Bay NAS

4.0Editor scoreCheck price on Amazon

TERRAMASTER F4-425

Intel x86 Quad-Core CPU

4GB RAM Included

Ultra-Quiet Operation

Hardware-Level 4K Decoding

Designed for home users, the TERRAMASTER F4-425 excels as a quiet and efficient media hub. Its Intel processor handles 4K transcoding effortlessly ensuring smooth playback on various devices throughout your home network.

Pros

• Silent operation for quiet rooms
• Strong multimedia support
• Tool-free drive installation
• AI photo organization
• TRAID arrays available

Cons

• Less flexible software options
• Limited enterprise features

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The unit operates at just 21dB making it ideal for bedrooms or living rooms where noise is a concern. Tool-free HDD trays make installation simple allowing you to set up storage in seconds without special tools.

While its software ecosystem is less extensive than competitors, it covers essential needs like photo organization and cloud sync. This simplicity often translates to a more straightforward experience for non-technical users focused on storage and media.

This NAS is recommended for families who want a silent reliable device for file sharing and video streaming. It balances performance with ease of use to deliver a hassle-free home storage experience.

Home Multimedia Hub

Hardware-level 4K H.265 decoding supports Plex and Emby for smooth HD video playback while DLNA enables seamless multi-device streaming.

Ultra-Quiet and User-Friendly

Operates at 21dB for quiet environments and uses Push-Lock trays to install HDDs in seconds without tools.

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8. Yxk Zero1 Pro – Best Beginner-Friendly NAS 4 Bay NAS

4.4Editor scoreCheck price on Amazon

Yxk Zero1 Pro

Intel N100 Processor

8GB RAM Included

Up to 144TB Raw

Dual-Fan Cooling System

The Yxk Zero1 Pro offers a compelling balance of hardware power and approachable setup for first-time users. Its Intel N100 processor provides reliable performance for everyday storage and media tasks while supporting advanced Docker applications.

Pros

• Guided mobile app setup
• Aluminum housing design
• Third-party OS support
• 4K HDMI connectivity
• Dual 2.5GbE ports

Cons

• Manual OS installation needed
• Requires external drive purchase

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Installation is guided through a mobile app that walks you through registration and configuration steps easily. The aluminum alloy enclosure helps dissipate heat effectively ensuring stable operation even during overnight backups or large file transfers.

Power users can explore flexibility by installing third-party operating systems though compatibility varies by model. For most home users the pre-configured setup offers a convenient way to build a personal media library quickly.

Choose this model if you want a reliable chassis with modern features without the complexity of enterprise systems. It supports shared media access and efficient cooling to keep your home office running smoothly.

Beginner-Friendly Home NAS Setup

Install drives and follow the mobile app's guided steps to register and get started without setting up a custom OS manually.

Aluminum Housing with Dual-Fan Cooling

Aluminum enclosure helps dissipate heat while dedicated fans provide airflow for the processor and drives during heavy tasks.

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9. Synology DS423 – Best Security Focused 4 Bay NAS

4.4Editor scoreCheck price on Amazon

Synology DS423

Comprehensive Data Protection

Up to 30 IP Cameras

Immutable Snapshots

Ransomware-Resistant Backup

Synology DS423 focuses heavily on security and data protection making it a strong choice for businesses handling sensitive information. Its ransomware-resistant backup features help ensure your files remain safe even if a system breach occurs.

Pros

• Strong ransomware protection
• Reliable Synology support
• Granular permission controls
• Private cloud access
• Secure remote monitoring

Cons

• Requires license for cameras
• No high-speed networking ports

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You can protect your property by supporting up to 30 IP cameras with intuitive monitoring tools. Snapshot technology adds an extra layer of safety by allowing you to restore data instantly to a previous point in time.

While camera licenses are sold separately and networking is standard rather than high-speed this unit excels in stability and software support. The 2-year warranty reflects Synology's confidence in their hardware quality.

This model is ideal for small teams prioritizing data safety over raw transfer speeds. It provides a reliable secure private cloud that protects both documents and media from unexpected threats.

Comprehensive Data Protection

Leverage snapshots and multi-destination backups to protect against malware and ensure your critical files stay secure.

Versatile Video Surveillance

Protect home or business with monitoring and archiving tools for up to 30 IP cameras.

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10. Asustor Drivestor 4 Gen 2 – Best Entry-Level 4 Bay NAS

4.0Editor scoreCheck price on Amazon

Asustor Drivestor 4 Gen 2

Quad-Core 1.7GHz CPU

2.5GbE Network Port

Btrfs Snapshot Support

4K Media Center

The Asustor Drivestor 4 Gen 2 is one of the most budget-friendly options available without sacrificing essential networking performance. Its Realtek processor handles daily backups and data management efficiently with lower power consumption.

Pros

• Very affordable pricing
• Btrfs file system support
• 2.5GbE upgrade included
• Private cloud creation
• Multi-device sync

Cons

• Low RAM capacity
• Basic OS features

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Upgraded 2.5GbE ports provide faster file transfers than standard Gigabit units ensuring smooth media streaming. Btrfs file system support allows you to create snapshots and restore data instantly if issues arise.

While it has limited RAM and basic software compared to premium units it offers excellent value for home offices. The private cloud features let you access files securely from anywhere without third-party subscriptions.

Select this unit if you need an affordable entry point into private storage. It covers the fundamentals well and supports 4K playback for home entertainment systems.

Optimized Quad-Core Performance

The upgraded Realtek CPU provides smooth multitasking and lightning-fast processing for daily storage needs.

Enterprise-Grade Data Protection

Support Btrfs snapshots and WORM technology to protect critical documents and family memories from ransomware.

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Buying Guide – How to Choose the Best 4 Bay NAS

Selecting the right 4 Bay NAS depends on understanding your specific storage, performance, and software needs. This guide outlines key factors to consider before making a purchase.

Processor and RAM

The CPU determines how well your NAS handles multitasking such as running multiple apps or transcoding videos. Modern Intel or AMD processors offer superior performance for power users while entry-level chips suffice for simple file sharing. RAM capacity also impacts speed allowing more apps to run simultaneously without lag.

Look for at least 8GB of RAM if you plan to run Docker containers or virtual machines.

Network Speed

Networking ports dictate how fast files transfer between your NAS and other devices. Standard Gigabit ports are adequate for basic use but 2.5GbE or 10GbE ports deliver much faster speeds for large media files. Ensure your router and cables support the selected speed to avoid bottlenecks.

Choose a model with 10GbE ports if you work with high-resolution video editing directly from the device.

Storage Capacity and Expansion

A 4 Bay NAS typically supports up to 100TB or more depending on drive size. Consider future growth and whether you need expansion units for additional bays. Some models include M.2 slots for SSD caching which improves performance significantly without replacing hard drives.

Verify the maximum drive size supported by your chosen model to ensure compatibility with your storage goals.

Software Ecosystem

The operating system determines how easily you can manage users, permissions, and apps. Some brands offer polished interfaces with extensive app centers while others are more minimal. Features like photo organization or surveillance management vary widely between manufacturers.

Select an OS that matches your technical comfort level and offers the specific apps you need.

Security Features

Security is crucial for protecting sensitive data from unauthorized access or ransomware. Look for features like encryption support, two-factor authentication, and immutable snapshots. Some models offer specialized data vaults to hide and lock critical files.

Prioritize units with strong encryption and certified security standards for business or private data.

Media Streaming Capabilities

If you plan to use your NAS as a media server check for hardware transcoding support. This allows videos to play smoothly on different devices without overloading the CPU. Compatibility with popular media players like Plex ensures a smooth viewing experience.

Choose a model with dedicated graphics or hardware decoding for smooth 4K streaming across devices.

Warranty and Support

A good warranty protects your investment against hardware failures which can happen unexpectedly. Longer warranty periods often indicate higher build quality and manufacturer confidence. Check if technical support is available through local channels or online communities.

Opt for brands with responsive customer service and at least a 2-year warranty for peace of mind.

Budget and Total Cost of Ownership

While the upfront cost matters consider the total cost over time including drives and potential upgrades. Some models are cheaper initially but lack expandability forcing early replacement. Factor in electricity usage and how much you save by avoiding cloud subscriptions.

Evaluate the long-term value to ensure your choice remains cost-effective as your data grows.

How to Use and Care for Your 4 Bay NAS

Begin by installing compatible hard drives into the bays following the manufacturer's instructions for alignment. Power on the device and access the setup wizard via your web browser to configure initial settings like admin accounts and network sharing.

Install the manufacturer's mobile app on your devices to enable remote access and automatic photo backups. Create shared folders with specific permissions to control who can view or edit files within your home or office network.

Keep your firmware updated regularly to benefit from security patches and performance improvements. Monitor drive health through the built-in tools to replace any failing components before data loss occurs.

Frequently Asked Questions

Final Thoughts on Choosing the Best 4 Bay NAS