10 Best 4 Bay NAS in 2026

A 4 Bay NAS offers versatile storage options for media enthusiasts and professionals who need reliable data access. These systems support multiple hard drives for redundancy and expansion while providing centralized file management across various devices in your home or office network.

We evaluated leading models based on processing power, network connectivity, software ecosystem, and ease of use. Our analysis considers real-world performance for media transcoding, backup automation, and simultaneous user access to ensure you find a system that grows with your needs.

Each review highlights key strengths and limitations to help you make an informed decision. Prices and availability can change frequently so check current listings before purchasing. Our top picks balance cost and capability for different user profiles ranging from beginners to power users.

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 comparison of all ten models reviewed in this guide to help you quickly identify key specifications and features that matter most for your specific storage needs.

1. TERRAMASTER F4-425 – Best Entry-Level Media Server

4.0Editor scoreCheck price on Amazon

TERRAMASTER F4-425

Intel x86 Quad-Core

2.5GbE network port

AI photo organization

TRAID+ array support

The TERRAMASTER F4-425 is a reliable 4 Bay NAS designed for home media and file storage with impressive performance for its price point. It handles 4K transcoding smoothly and supports multiple concurrent users without lag. Its compact design makes it suitable for living rooms or quiet offices where noise levels matter.

Pros

• Strong media transcoding
• Quiet operation at 21dB
• Tool-free drive installation
• Mobile app control

Cons

• Limited RAM capacity
• Basic software ecosystem

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Equipped with an Intel x86 quad-core processor and 2.5GbE networking, this unit ensures fast data transfers and responsive streaming. The TNAS Mobile app allows initialization without a PC and supports automatic photo backups. Hardware-level 4K decoding works well with Plex and Jellyfin for seamless home theater integration.

While the 4GB RAM is non-upgradeable and the software lacks advanced enterprise features, it offers solid value for personal use. The tool-free HDD trays make drive swaps quick and easy. TRAID+ arrays provide more storage space than traditional RAID while maintaining data redundancy.

This NAS is ideal for families wanting a private cloud without monthly subscription fees. It excels at media serving and basic file sharing. If you need simple reliable storage with strong video performance, the F4-425 delivers excellent results.

Media Streaming Performance

Hardware decoding for H.265 ensures smooth playback on supported devices without requiring a powerful client.

Mobile Management

The TNAS app enables remote file access and photo backups making it easy to manage content on the go.

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2. UGREEN NAS DXP4800 GT – Best All-Rounder for Professionals

4.6Editor scoreCheck price on Amazon

UGREEN NAS DXP4800 GT

AMD Ryzen R2514 CPU

Dual 10GbE network

Surveillance Center included

Up to 64GB RAM

The UGREEN DXP4800 GT stands out as a powerful 4 Bay NAS for creators and small teams requiring high throughput and advanced functionality. Its AMD Ryzen processor handles multitasking effortlessly while dual 10GbE ports enable data transfer speeds that rival local storage. This makes it perfect for 4K or 8K video editing workflows directly from the NAS.

Pros

• High-speed 10GbE ports
• Expandable memory capacity
• Built-in surveillance system
• UGOS Pro interface

Cons

• Higher price point
• ECC RAM requires upgrade

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UGOS Pro simplifies management with a clean interface and guided setup. The system supports Docker virtual machines and SAN Manager for flexible deployment. Surveillance Center supports ONVIF cameras allowing local security footage storage without cloud fees. SD and USB slots facilitate quick data imports from cameras or drives.

The main considerations are the cost and the need for manual ECC RAM upgrades for error correction. Plex requires Docker setup which may challenge beginners. However the hardware quality and networking options justify the investment for users who need speed and reliability.

Choose this model if you require professional-grade performance and extensive storage capabilities. It balances price and capability better than most competitors. Whether for media production or office collaboration the DXP4800 GT delivers exceptional versatility.

Networking Capabilities

Dual 10GbE ports provide aggregate bandwidth up to 2.5GB/s for fast file transfers and stable streaming.

Privacy and Security

Local storage with TLS SSL encryption and flexible permissions ensures your data stays under your control.

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3. Synology DS425+ – Best Enterprise Features for Business

4.6Editor scoreCheck price on Amazon

Synology DS425+

Intel Celeron N1500

4GB DDR4 RAM

Granular access controls

3-year warranty

The Synology DS425+ is engineered for business productivity and media hosting with robust security and centralized data management. It supports over ten concurrent users with fast transfer speeds and granular permission settings. The DSAM system provides intuitive file sharing and backup automation that minimizes manual oversight.

Pros

• Superior software ecosystem
• Strong data protection
• Concurrent multi-user support
• Enterprise-grade security

Cons

• Premium pricing
• Limited RAM expansion

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Data protection features include RAID redundancy automated backups and snapshot technology to prevent loss from any cause. The Professional Surveillance System supports up to thirty IP cameras with motion detection and remote access. A three-year warranty and dedicated account management add peace of mind for critical workloads.

While the hardware specs are modest compared to high-end rivals the software experience is unmatched. The cost reflects Synologys reputation for reliability and support. It is particularly well-suited for small offices needing secure file sharing and media distribution.

Invest in this model if data integrity and software polish are priorities. It handles professional workloads efficiently while remaining user-friendly. For businesses requiring scalable secure storage the DS425+ is a top-tier choice.

Data Protection

Multi-layered protection using RAID snapshots and automated backups safeguards files against accidental deletion or corruption.

User Management

Granular access controls and audit logs ensure only authorized users can view or modify sensitive company files.

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4. UGREEN DXP4800 Plus – Best for Families

4.6Editor scoreCheck price on Amazon

UGREEN DXP4800 Plus

Intel N305 Processor

10GbE network port

AI photo album

Easy file sharing

The UGREEN DXP4800 Plus is a versatile 4 Bay NAS optimized for family storage and creative projects with powerful processing and fast networking. Its Intel N305 CPU ensures smooth collaboration across devices while the 10GbE port delivers near-instant backups for large files. This model excels at centralizing photos and documents for easy access.

Pros

• High-speed transfers
• AI photo organization
• Cross-platform compatibility
• Secure private cloud

Cons

• No Wi-Fi support
• Requires manual Plex setup

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An AI-powered photo album automatically recognizes faces and scenes to organize your library efficiently. The app ecosystem supports Docker and virtual machines for advanced users yet remains simple for beginners. Flexible permissions let you protect privacy when sharing with others ensuring sensitive files stay secure.

Notable limitations include wired Ethernet only and Plex requiring Docker configuration. However the overall performance and feature set offer strong value for households needing robust storage. The 2-year warranty and specialist support provide additional reassurance for long-term use.

Choose this NAS if you want fast reliable storage with smart photo tools. It bridges the gap between consumer and prosumer needs effectively. For families managing large media collections the DXP4800 Plus provides excellent organization and speed.

Photo Management

Smart organization features help you find specific moments quickly while removing duplicates to free up storage space.

Connectivity

USB and network options support rapid data movement for cameras and external drives without relying on a computer.

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5. UGREEN DH4300 Plus – Best for Beginners

4.2Editor scoreCheck price on Amazon

UGREEN DH4300 Plus

Intel N97 Processor

8GB RAM included

NFC quick setup

Cost-effective storage

The UGREEN DH4300 Plus is an entry-level 4 Bay NAS designed for home users seeking a secure private cloud without complexity. It supports Docker for app flexibility and features a user-friendly mobile app for quick setup. Smart photo backup and AI albums make managing family memories effortless and organized.

Pros

• Easy setup process
• Strong encryption
• Magnetic dust cover
• Long-term savings

Cons

• No virtual machines
• Limited to wired Ethernet

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Its advanced encryption is certified by TÜV SÜD and TRUSTe ensuring high security standards. The design includes a magnetic dust cover for easy access and better cooling. With automatic backups and remote access you can protect data from hardware failures or loss without cloud subscriptions.

While it lacks virtual machine support and Wi-Fi connectivity it covers essential storage needs effectively. The performance is solid for everyday file sharing and photo management. Long-term cost savings over cloud services are significant for heavy users.

Ideal for families moving away from cloud dependencies this NAS offers simplicity and security. It provides enough power for common tasks without overwhelming beginners. For straightforward private storage with reliable performance the DH4300 Plus is a smart choice.

Ease of Use

Beginner-friendly setup and NFC connection reduce the time needed to get your network storage running smoothly.

Data Ownership

Local storage ensures you retain full control over your files without relying on third-party cloud providers.

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6. Synology DS925+ – Best for High-Speed Transfer

4.2Editor scoreCheck price on Amazon

Synology DS925+

Intel Celeron N1500

Dual 2.5GbE ports

565 MB/s throughput

File management built-in

The Synology DS925+ is a robust 4 Bay NAS balancing speed and stability for home and small office use. It features dual 2.5GbE ports for fast network transfers and increased redundancy. The throughput reaches up to 565 MB/s ensuring smooth file access and media streaming across devices.

Pros

• Fast network speeds
• Reliable warranty
• Flexible storage options
• Surveillance support

Cons

• Moderate RAM base
• No Wi-Fi option

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Built-in tools cover file and photo management data protection and virtualization needs. The system is backed by Synologys three-year limited hardware warranty providing long-term reliability. Its compatibility with a wide range of drives allows flexible expansion based on your capacity requirements.

While it does not offer Wi-Fi connectivity and RAM is fixed the performance remains strong for most workloads. The software ecosystem simplifies daily tasks and security settings. It is a dependable option for users prioritizing consistent performance and official support.

Choose this model if you need reliable data transfer speeds with minimal hassle. It handles backups and media sharing effectively. For consistent performance and solid warranty coverage the DS925+ is a worthwhile investment.

Network Speed

Dual 2.5GbE ports support link aggregation for faster transfers and better network redundancy.

Data Protection

Built-in snapshots and redundancy options safeguard your files from accidental deletion or hardware failure.

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7. Yxk Zero1 Pro – Best for Home Theater Setup

4.4Editor scoreCheck price on Amazon

Yxk Zero1 Pro

Intel N100 CPU

4K HDMI output

M.2 NVMe slots

Aluminum enclosure

The Yxk Zero1 Pro is a 4 Bay NAS ideal for home users wanting a shared media library with direct display output. Its Intel N100 processor handles everyday tasks efficiently while dual 2.5GbE ports ensure fast network access. The 4K HDMI port allows you to connect directly to a TV for local playback.

Pros

• Direct HDMI connection
• Strong cooling design
• Flexible OS options
• AI photo tools

Cons

• Diskless purchase required
• Setup requires some effort

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A dedicated cooling system with dual fans keeps the unit quiet during heavy use. The aluminum housing dissipates heat effectively. Docker support allows customization for apps like Plex or Home Assistant. You can also install third-party OS options if you prefer alternative software environments.

Initial setup involves manual drive installation which may deter non-technical users. However the photo organization tools help keep your library tidy. The build quality and flexible options make it a solid choice for home enthusiasts.

Select this NAS if you want versatile storage with media-centric features. It balances performance and accessibility well. For those building a home theater or office archive the Zero1 Pro offers significant value.

Home Integration

Direct HDMI output lets you use the NAS as a media player connected straight to your television.

Customization

Docker support and OS flexibility allow you to tailor the system to your specific application needs.

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8. Asustor Drivestor 4 Gen 2 – Best Budget Option

4.0Editor scoreCheck price on Amazon

Asustor Drivestor 4 Gen 2

Realtek RTD1619B

2.5GbE port

Btrfs snapshots

1GB DDR4 RAM

The Asustor Drivestor 4 Gen 2 is a budget-friendly 4 Bay NAS offering essential features for home cloud and backup needs. Its quad-core processor handles automated backups efficiently while 2.5GbE networking speeds up file transfers compared to standard Gigabit systems. This makes it a cost-effective choice for basic data management.

Pros

• Affordable pricing
• Btrfs protection
• 4K media support
• Simple remote access

Cons

• Limited RAM
• Basic hardware features

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Enterprise-grade data protection includes Btrfs snapshots and WORM technology to prevent ransomware damage. The system supports smooth 4K streaming for smart TVs and mobile devices. Personal cloud features allow secure remote access without relying on third-party services.

With only 1GB RAM performance may lag with heavy multitasking. However for single-user or low-demand scenarios it remains effective. The price point makes it accessible for those starting their NAS journey.

Choose this model if you need a reliable storage solution on a tight budget. It covers core backup and streaming requirements well. For simple private cloud needs the Drivestor 4 Gen 2 is an economical option.

Data Safety

Btrfs snapshots protect your data from accidental deletion and allow quick restoration of previous file versions.

Streaming Capabilities

Direct 4K playback ensures high-quality media enjoyment without requiring transcoding on client devices.

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9. Synology DS423 – Best for Home Business

4.4Editor scoreCheck price on Amazon

Synology DS423

Intel Celeron N5105

2.5GbE port

Secure private cloud

Surveillance support

The Synology DS423 is a practical 4 Bay NAS for family and small business backup needs. It supports secure remote access and file sharing with granular permissions. Surveillance features allow monitoring with up to thirty IP cameras ensuring comprehensive protection for home or office environments.

Pros

• Secure file sharing
• Ransomware protection
• Versatile surveillance
• 2-year warranty

Cons

• Camera licenses sold separately
• Moderate processing power

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Data protection includes immutable snapshots and multi-destination backups to guard against malware. The system acts as a local file server replacing expensive cloud subscriptions for document sharing. Two-year warranty and expert support provide confidence in hardware longevity.

Some features require additional camera licenses which can increase costs. However the base performance is reliable for general use. The interface is user-friendly and setup is straightforward for most users.

Select this model if you need balanced storage with strong security features. It suits small businesses and tech-savvy households. For reliable backup and sharing the DS423 is a solid investment.

Security

Ransomware-resistant backups ensure your critical files remain recoverable even after a security incident.

Collaboration

Local file sharing and team folders allow efficient collaboration without exposing data to public clouds.

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10. UGREEN DXP4800 Pro – Best for Power Users

4.4Editor scoreCheck price on Amazon

UGREEN DXP4800 Pro

Intel i3-1315U

DDR5 RAM expandable

Dual-speed networking

Data Vault encryption

The UGREEN DXP4800 Pro is engineered for demanding workflows requiring serious processing power. Its Intel Core i3-1315U handles virtual machines and Docker containers effortlessly. With DDR5 RAM expandable to 96GB and mixed networking ports it offers the fastest performance in this lineup.

Pros

• Pro-grade CPU
• DDR5 memory support
• 144TB capacity
• Strong privacy controls

Cons

• Higher price
• Advanced features may be unused

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The system supports massive 144TB storage and includes dual M.2 slots for high-speed cache. AI photo albums work entirely on-device for privacy. Data Vault adds an extra layer of encryption for sensitive files ensuring compliance with strict security standards.

While expensive it provides unmatched flexibility for developers and IT professionals. The UGOS Pro system integrates all essential tools into a single interface. If you need a personal workstation with storage capabilities this model excels.

Choose this if you need maximum speed and control. It justifies its price with enterprise-grade features in a compact design. For professional workloads and advanced storage the DXP4800 Pro is top-tier.

Virtualization Support

Comprehensive Docker and VM support allows you to run complex services and development environments locally.

Performance

DDR5 RAM and dual-speed network ports deliver blazing-fast data access and processing for heavy workloads.

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Buying Guide – How to Choose the Best 4 Bay NAS

Selecting the right 4 Bay NAS requires balancing processing power, network speed, and software features against your specific use case. Here are key factors to consider when making your choice.

Processor and RAM

The CPU determines how well your NAS handles multitasking, transcoding, and virtual machines. Look for at least a quad-core Intel or AMD processor with 4GB to 8GB of RAM for smooth operation. Higher-end models may offer expandable memory for future growth and heavier workloads.

Prioritize models with upgradable RAM if you plan to run multiple Docker containers or virtual machines over time.

Network Connectivity

Ethernet ports dictate transfer speeds. Standard Gigabit ports cap at 125MB/s, while 2.5GbE and 10GbE ports offer significantly faster performance. Dual ports also allow link aggregation for increased bandwidth and redundancy across your network.

Choose at least 2.5GbE ports if you frequently move large files or stream high-resolution media locally.

Storage Expansion

4 Bay systems typically support up to 100TB+ total capacity using high-capacity hard drives. Some models include M.2 slots for SSD caching or additional storage. Ensure the NAS supports the drive sizes you intend to use for maximum future-proofing.

Check compatibility lists for specific drive models to avoid performance bottlenecks or firmware issues.

Operating System and Apps

Software affects ease of use and feature depth. Synology offers mature ecosystems with broad app support, while others like UGREEN provide modern interfaces. Ensure the OS supports Docker if you want to self-host services like Plex or Home Assistant.

Look for intuitive interfaces that simplify setup and remote access without requiring command-line expertise.

Data Protection Features

RAID configurations, snapshots, and encryption are vital for data safety. Advanced models include immutable snapshots to prevent ransomware damage. Ensure the NAS supports at least RAID 5 or 10 for redundancy without sacrificing capacity.

Regular automated backups to external drives are still recommended as a secondary protection layer.

Surveillance and Media

If you need security monitoring, verify camera limits and license costs. Many systems support ONVIF cameras for broad compatibility. For media, check for hardware transcoding support to ensure smooth playback on various devices.

Models with HDMI output provide direct local playback without relying on network streaming.

Warranty and Support

Standard warranties range from two to three years. Dedicated support and easy return policies reduce risk. Established brands often provide longer hardware support and more frequent software updates to keep systems secure.

Extended warranties are worth considering for business environments where downtime has significant costs.

Cost Efficiency

Evaluate total cost including drives and cables. While cheaper models save upfront, they may lack features you need later. Higher-end units often pay for themselves by replacing multiple cloud subscriptions over several years.

Focus on value per TB of usable capacity rather than just the initial purchase price of the unit.

How to Use and Care for Your 4 Bay NAS

Begin by installing compatible hard drives and connecting the NAS to your network via Ethernet cable. Use the mobile app or web browser to initialize the system, create admin accounts, and configure RAID settings. This setup process typically takes about twenty minutes with guided steps.

Set up automatic backups for your computers and mobile devices immediately. Schedule backups during off-peak hours to avoid slowing down regular network activities. Ensure your devices have unique names so file management remains organized and accessible across all platforms.

Keep the NAS in a well-ventilated area away from direct sunlight or heat sources. Dust accumulates over time so clean air vents monthly to maintain proper cooling. Regularly update the operating system to benefit from security patches and new features.

Frequently Asked Questions

Final Thoughts on Choosing the Best 4 Bay NAS

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