If you’re looking for the best 4-bay NAS devices for 2026, I’ve got you covered. I’ve reviewed options with top-tier storage capacities, powerful processors, and multiple network interfaces to meet various needs. From compact models with HDMI ports to high-capacity solutions supporting over 120TB, these devices combine speed, expandability, and security. Keep exploring, and you’ll find the perfect fit with features that grow alongside your digital world.
Key Takeaways
- Prioritize models with high storage capacity up to 120TB and expandability options for future growth.
- Look for powerful processors and ample RAM to ensure smooth multitasking and fast data transfer speeds.
- Choose devices with multiple high-speed network interfaces like 2.5GbE or 10GbE for optimal connectivity.
- Consider security features such as RAID, encryption, and user permissions for data protection.
- Opt for reliable brands offering solid warranty support and user-friendly setup for hassle-free maintenance.
More Details on Our Top Picks
UGREEN NASync DH2300 2-Bay Desktop NAS
If you’re looking for a reliable and versatile NAS device for small-scale storage needs, the UGREEN NASync DH2300 2-Bay Desktop NAS stands out as an excellent choice. It supports up to 60TB with compatible drives from Western Digital, Seagate, Toshiba, and more—hard drives are sold separately. Perfect for storing millions of images, songs, or movies, it features a high-performance processor, 4GB RAM, and fast data transfer speeds up to 125MB/s. Its compact design consumes minimal power, while supporting automatic backups across various devices. Plus, robust security features like RAID, encryption, and two-factor authentication keep your data safe and private.
- Storage Capacity:Up to 60TB (expandable with drives)
- CPU Type:High-performance processor (unspecified)
- Network Speed:1GbE
- RAM Size:4GB LPDDR4X
- Drive Compatibility:3rd-party HDDs (excluding M.2 NVMe)
- Security & Backup:RAID, two-factor auth, encrypted transfers
- Additional Feature:AI photo album organization
- Additional Feature:Encrypted data transfers
- Additional Feature:One-time purchase savings
Asustor Drivestor 4 Pro Gen2 NAS (Diskless)
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View Latest PriceThe Asustor Drivestor 4 Pro Gen2 NAS (Diskless) stands out as an excellent choice for home users who want reliable, high-performance network storage without the hassle of pre-installed drives. Its powerful Realtek RTD1619B quad-core processor supports smooth 4K video transcoding, making it ideal for media streaming. The 2.5-Gigabit Ethernet port ensures fast data transfer, while the 2GB DDR4 RAM allows efficient multitasking. With features like an upgraded internal display, Wake on LAN/WAN, and Btrfs/iSCSI snapshots, it offers robust data management. Plus, the tool-free installation makes setup simple, perfect for users seeking a user-friendly, high-quality NAS solution.
- Storage Capacity:Not specified (diskless)
- CPU Type:Realtek RTD1619B quad-core
- Network Speed:2.5GbE
- RAM Size:2GB DDR4
- Drive Compatibility:3rd-party HDDs (unspecified brands)
- Security & Backup:Snapshots, remote backup, data security
- Additional Feature:4K video transcoding support
- Additional Feature:Internal display upgrade
- Additional Feature:Supports Wake on LAN/WAN
UGREEN 4-Bay NAS with Intel Pentium CPU
For those seeking a powerful and versatile NAS solution, the UGREEN 4-Bay NAS with Intel Pentium CPU stands out thanks to its robust hardware and advanced features. It’s powered by an Intel Pentium Gold 8505 5-core processor, 8GB DDR5 RAM, and a 128GB SSD, ensuring smooth performance. With a 10GbE port, 2.5GbE port, and dual M.2 NVMe slots, it supports fast data transfer and flexible storage options up to 136TB. The device offers 4K HDMI output, centralized storage, automatic backups, and secure encryption, making it ideal for both personal and professional use. Plus, its AI photo organization simplifies managing your media library.
- Storage Capacity:Up to 136TB
- CPU Type:Intel Pentium Gold 8505
- Network Speed:10GbE, 2.5GbE
- RAM Size:8GB DDR5
- Drive Compatibility:3rd-party HDDs (Western Digital, Seagate, Toshiba)
- Security & Backup:RAID, encryption, remote access
- Additional Feature:AI-powered photo recognition
- Additional Feature:10GbE rapid backup
- Additional Feature:Flexible permission management
TERRAMASTER F4-424 Pro NAS Storage (Diskless)
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View Latest PriceWith its powerful Core i3-N305 8-core processor and 32GB DDR5 RAM, the TERRAMASTER F4-424 Pro NAS is designed to handle demanding workloads, making it an excellent choice for small and medium-sized businesses seeking reliable, high-performance storage. It features dual M.2 NVMe slots for SSD caching, boosting speed, and achieves a linear data transfer rate of 283 MB/s. The NAS supports multiple RAID configurations, including RAID 0, 1, 5, 6, and 10, with dual 2.5GbE ports for fast network connectivity. Its tool-free hard drive installation and extensive backup options make setup and management straightforward, ensuring efficient, secure data handling.
- Storage Capacity:Up to 120TB (with drives)
- CPU Type:Core i3-N305 quad-core
- Network Speed:2.5GbE, 10GbE (via 2.5GbE port)
- RAM Size:32GB DDR5
- Drive Compatibility:3rd-party HDDs (unspecified brands)
- Security & Backup:RAID, snapshots, data security
- Additional Feature:Dual M.2 SSD slots
- Additional Feature:RAID 0/1/5/6/10 support
- Additional Feature:Quiet operation design
QNAP TS-464-8G-US 4-Bay Desktop NAS
If you’re searching for a powerful yet flexible NAS device that can handle demanding workloads, the QNAP TS-464-8G-US stands out as an excellent choice. It features quad-core Intel processors with burst speeds up to 2.9 GHz and comes with 8GB DDR4 RAM for smooth multitasking. The diskless design lets you customize storage with compatible drives. Dual M.2 NVMe slots enable cache acceleration, while multiple USB 3.2 ports ensure fast data transfers. With dual 2.5GbE ports, it boosts network performance for multiple users. Perfect for home or small business, it offers centralized storage, easy backups, and secure remote access via MyQNAPCloud.
- Storage Capacity:Not specified (diskless)
- CPU Type:Intel Celeron N5105/N5095
- Network Speed:2.5GbE
- RAM Size:8GB DDR4
- Drive Compatibility:Compatible with various HDD brands
- Security & Backup:RAID, remote backup, encryption
- Additional Feature:Cache acceleration with NVMe
- Additional Feature:Remote access via MyQNAPCloud
- Additional Feature:Multiple USB 3.2 ports
Synology 4-Bay DiskStation DS423 (Diskless) Black
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View Latest PriceThe Synology 4-Bay DiskStation DS423 (Diskless) Black stands out as an ideal choice for those seeking a versatile, private cloud solution that can grow with their needs. Its diskless design allows easy storage expansion, making it perfect for both home and business use. The device offers robust data protection features, including media and document backups to multiple destinations and snapshot technology to prevent malware and data corruption. It supports up to 30 IP cameras for versatile surveillance, and a 2-year warranty provides peace of mind. Plus, its sleek black finish adds a professional look, complemented by extensive support and setup guidance from Synology.
- Storage Capacity:Up to 80TB
- CPU Type:Not specified (diskless)
- Network Speed:2.5GbE
- RAM Size:Not specified
- Drive Compatibility:3rd-party HDDs
- Security & Backup:Snapshot, encryption, remote access
- Additional Feature:Snapshot technology safeguard
- Additional Feature:Supports up to 80TB
- Additional Feature:Surveillance camera support
TERRAMASTER F4-425 4-Bay NAS Storage (Diskless)
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View Latest PriceFor home users and small offices seeking reliable network storage, the TERRAMASTER F4-425 stands out with its powerful Intel quad-core processor and 4GB of RAM, ensuring smooth multitasking and 4K transcoding. Its 2.5GbE LAN port delivers ultra-fast file transfers and supports multi-user access. The diskless design allows quick setup with tool-free, push-lock HDD trays, while supporting up to 120TB total storage with flexible RAID options for data security. It handles HD video streaming, AI photo albums, and remote management seamlessly. Quiet at just 21dB, it’s an ideal multimedia hub for entertainment and efficient data management in home environments.
- Storage Capacity:Up to 120TB
- CPU Type:Intel x86 quad-core
- Network Speed:2.5GbE
- RAM Size:4GB DDR4
- Drive Compatibility:3rd-party HDDs
- Security & Backup:RAID, snapshots, data security
- Additional Feature:4K/8K transcoding
- Additional Feature:Supports Docker/VMs
- Additional Feature:AI smart photo albums
TERRAMASTER F4-425 Plus NAS Storage (Diskless)
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View Latest PricePowered by an Intel N150 Quad-Core CPU and 16GB DDR5 RAM, the TerraMaster F4-425 Plus NAS delivers impressive performance for demanding users. Its dual 5GbE LAN ports support link aggregation and SMB Multichannel, reaching up to 1020 MB/s read/write speeds. With three M.2 slots, you can add SSD cache or independent storage pools for faster data access. The durable aluminum-alloy chassis with Push-Lock HDD trays guarantees long-term reliability and security. Supporting up to 144TB capacity, it’s perfect for creative teams, small businesses, or home use, offering a flexible, high-performance storage solution with advanced data protection features like TRAID, snapshots, and HyperLock-WORM.
- Storage Capacity:Up to 144TB
- CPU Type:Intel N150 quad-core
- Network Speed:5GbE
- RAM Size:16GB DDR5
- Drive Compatibility:3rd-party HDDs
- Security & Backup:RAID, snapshots, cloud sync
- Additional Feature:1020 MB/s transfer speed
- Additional Feature:HyperLock-WORM data security
- Additional Feature:Supports multiple backup apps
QNAP TR-004 4-Bay USB-C DAS with RAID
If you’re looking to expand your storage effortlessly, the QNAP TR-004 4-Bay USB-C DAS with RAID stands out as a versatile choice. It supports four 3.5-inch SATA drives, letting you customize your setup with RAID 0, 1, 5, JBOD, or individual disk modes. Compatible with Windows, macOS, and Linux, it’s perfect for expanding storage or backing up data from NAS systems. The device features lockable drive bays for security and comes with a USB Type-C to Type-A cable. Keep in mind, it’s designed solely for direct-attached storage and can’t be integrated into NAS systems or used for running applications.
- Storage Capacity:Not specified (diskless)
- CPU Type:Intel N100 quad-core
- Network Speed:5GbE
- RAM Size:8GB DDR4
- Drive Compatibility:3rd-party HDDs
- Security & Backup:RAID, snapshots, remote access
- Additional Feature:Hardware RAID options
- Additional Feature:Lockable drive bays
- Additional Feature:External storage expansion
TERRAMASTER F4 SSD NAS Storage (Diskless)
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View Latest PriceThe TERRAMASTER F4 SSD NAS Storage (Diskless) stands out for small businesses and tech-savvy home users seeking high-performance, portable storage. Its powerful N95 quad-core processor, turboing up to 3.4GHz, combined with UHD Graphics and 8GB DDR5 RAM, delivers professional-grade speed. Supporting four NVMe SSDs up to 8TB each, it offers a total of 32TB capacity with a all-inclusive setup for quick installation. Compact enough to fit in a backpack, it features a quiet operation below 19dB and efficient cooling. With a 5GbE port and extensive backup options, it’s perfect for on-the-go access and reliable data protection.
- Storage Capacity:Up to 32TB (with drives)
- CPU Type:N95 4-core
- Network Speed:5GbE
- RAM Size:8GB DDR5
- Drive Compatibility:3rd-party SSDs/HDDs
- Security & Backup:Cloud backup, snapshots, RAID
- Additional Feature:Ultra-compact portable design
- Additional Feature:5GbE network port
- Additional Feature:Silent operation below 19dB
Synology 4-Bay DiskStation DS425+ (Diskless)
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View Latest PriceFor those seeking a high-performance NAS that offers flexibility and robust features, the Synology 4-Bay DiskStation DS425+ (Diskless) stands out. It supports drives on the official compatibility list, giving you reliable storage options. With up to 278/281 MB/s sequential read/write speeds, it ensures stable and fast data transfers. You can store up to 80 TB of data while maintaining full ownership of your information. Its built-in file and photo management, data protection features, and surveillance solutions make it a versatile choice. Backed by a 3-year warranty, it’s compatible with multiple platforms, making it an excellent all-around NAS.
- Storage Capacity:Up to 80TB
- CPU Type:Not specified
- Network Speed:2.5GbE
- RAM Size:8GB DDR4
- Drive Compatibility:Compatible with HDDs
- Security & Backup:Backup solutions, data protection
- Additional Feature:3-year hardware warranty
- Additional Feature:Supports up to 80TB
- Additional Feature:Built-in data protection
UGREEN 4-Bay NAS with 120TB Support
Looking for a powerful NAS that can handle massive storage needs without breaking the bank? The UGREEN 4-Bay NAS with 120TB support delivers just that. It can store over 41 million pictures, 4 million songs, or 125 million files, supporting third-party drives from major brands like Western Digital and Seagate. With a fast processor, 8GB RAM, 2.5GbE port, and 4K HDMI output, it offers smooth performance and multimedia support. Its user-friendly features include NFC quick connect, remote access, automatic backups, and AI-powered photo management. Plus, it’s a cost-effective, private alternative to cloud storage, making it an excellent choice for demanding users.
- Storage Capacity:Supports 120TB
- CPU Type:Not specified
- Network Speed:2.5GbE
- RAM Size:8GB DDR4
- Drive Compatibility:3rd-party HDDs
- Security & Backup:Encryption, backup, snapshots
- Additional Feature:AI photo management
- Additional Feature:Cost-effective cloud alternative
- Additional Feature:Automatic multi-device backups
Yxk Zero1 4-Bay Desktop NAS with HDMI
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View Latest PriceIf you want a NAS device that seamlessly integrates with your home entertainment setup, the Yxk Zero1 4-Bay Desktop NAS with HDMI stands out. It’s powered by an Intel N100 Quad-Core CPU and 8GB RAM, supporting up to 120TB of storage without disks. With dual 2.5GbE ports and 4K HDMI output, it handles media streaming effortlessly. Its user-friendly setup uses QR codes, and management is simple via mobile and desktop apps. Plus, it offers enterprise-grade security, RAID redundancy, and remote access. Whether for personal use or small business, this NAS combines robust performance, flexibility, and privacy in one sleek package.
- Storage Capacity:Supports 120TB
- CPU Type:Intel N100 quad-core
- Network Speed:5GbE
- RAM Size:8GB DDR4
- Drive Compatibility:3rd-party SSDs/HDDs
- Security & Backup:Data encryption, snapshots, remote access
- Additional Feature:4K HDMI output
- Additional Feature:Zero-knowledge privacy
- Additional Feature:Simplified mobile app control
Factors to Consider When Choosing a Network Attached Storage 4 Bay
When selecting a 4-bay NAS, I focus on storage capacity to guarantee it meets my needs, along with performance specs for smooth operation. Connectivity options and security features are vital for safe and easy access, while ease of setup saves me time. Considering these points helps me find the best device for my specific requirements.
Storage Capacity Needs
To choose the right 4-bay NAS device, you need to carefully evaluate your current data storage needs and anticipate future growth. Start by appraising how much data you currently store, including files, backups, and system updates. Add extra space for future growth, especially if you expect your data to expand. Look for a NAS with expandable drive bays or support for larger drives, so you won’t need a new device later. Keep in mind that many 4-bay NAS units support capacities ranging from around 60TB to over 120TB with high-capacity drives. Also, consider NAS models that support multiple RAID configurations, which can help balance redundancy and storage efficiency as your needs evolve. This ensures your storage can grow with you.
Performance Specifications
Choosing a 4-bay NAS device that meets your storage needs also involves evaluating its performance capabilities. I look for models with powerful processors, like Intel or AMD CPUs, to handle multitasking smoothly and guarantee fast data transfers. The amount of RAM is vital—I recommend at least 4GB to keep performance efficient during multiple tasks. Checking the maximum supported data transfer speeds, such as 1Gbps or higher, helps me find models that provide quick file access and backups. I also consider how well the NAS can support multiple concurrent users without lag, which depends on CPU power and network interfaces. Finally, support for SSD caching or NVMe drives can greatly enhance read/write speeds and overall responsiveness, making the device more future-proof and reliable.
Connectivity Options
Selecting a 4-bay NAS with the right connectivity options is essential for ensuring fast, reliable access to your data. Look for models supporting multiple network interfaces, like 1GbE, 2.5GbE, or 10GbE ports, to maximize speed and flexibility. Dual or multi-port network cards enable link aggregation, boosting bandwidth and providing redundancy for network stability. Wireless connectivity options, such as Wi-Fi or wireless adapters, add placement flexibility, though wired connections usually deliver higher speeds. USB and HDMI ports expand versatility, allowing direct connection to external devices like printers, displays, or additional storage. Additionally, compatibility with various network protocols—SMB, AFP, NFS, iSCSI—ensures smooth integration across different operating systems and network environments. These features are essential for maximum NAS performance and usability.
Security Features
Security features are critical when it comes to safeguarding your data on a 4-bay NAS device. I look for models that offer robust options like RAID configurations, encryption, and permission controls to keep my data protected. Two-factor authentication adds an extra layer of security, preventing unauthorized access even if login details are compromised. Encrypted data transfer protocols ensure my information stays secure during network transmission, reducing interception risks. Regular firmware updates and security certifications from trusted organizations help maintain system integrity. Advanced privacy options, such as granular user permissions and zero-knowledge policies, give me confidence that my sensitive data remains private and accessible only to authorized users. Prioritizing these features guarantees my NAS is resilient against potential threats.
Ease of Setup
Setting up a 4-bay NAS device can be much easier when it features tool-free installation options like sliding or push-lock trays, which make inserting and replacing drives straightforward. These trays eliminate the need for screwdrivers, saving time and reducing frustration. Look for models with simple, step-by-step setup processes, including guided onboarding or quick start guides, to help you get started quickly. Compatibility with common hard drives from major brands like Western Digital, Seagate, or Toshiba ensures plug-and-play ease. A user-friendly management interface allows quick configuration without technical expertise. Additionally, many NAS devices offer mobile apps or remote setup options, making initial setup and ongoing management more accessible and hassle-free. These features help streamline the entire setup process, so you’re up and running faster.
Backup and Recovery
When choosing a 4-bay NAS, it’s crucial to take into account its backup and recovery features to protect your data effectively. Look for models that support multiple backup options like snapshots, versioning, and remote backups, ensuring your data stays safe from corruption or loss. Flexible RAID configurations—such as RAID 0, 1, 5, 6, or 10—are indispensable for redundancy, guarding against drive failure. Compatibility with various backup software, including native and third-party tools, makes recovery seamless. Consider how easy it is to restore data, whether through quick restore options, snapshots, or cloud backups. Additionally, automated backup scheduling and support for incremental backups can save storage space and reduce manual effort, keeping your data protected and accessible at all times.
Compatibility Compatibility
Choosing the right 4-bay NAS means ensuring it supports the drives and protocols you rely on daily. I recommend checking if it’s compatible with the types and sizes of drives you plan to install, including third-party brands like Western Digital, Seagate, or Toshiba. Make sure the hardware interfaces, such as SATA or NVMe slots, match your existing storage for easy setup. It’s also essential to verify that the NAS supports the file systems and protocols you use, like SMB, NFS, or AFP, to ensure smooth access across all your devices. Additionally, confirm that the device aligns with your network environment, including Ethernet speeds like 1GbE, 2.5GbE, or 10GbE. Finally, review the manufacturer’s compatibility list to guarantee seamless integration with your current infrastructure and future expansion plans.
Price and Warranty
Price and warranty are crucial factors to contemplate because they directly impact your overall investment and peace of mind. When choosing a 4-bay NAS, consider your budget upfront, as prices can vary widely from affordable options to high-end models. Look beyond the initial cost and examine the warranty period—ideally, 2 to 3 years—since longer warranties offer better protection and support. Check what the warranty covers, including parts, labor, and potential data recovery, to ensure thorough coverage. Keep in mind that higher-priced models often come with better warranty terms and extended support, which can be especially beneficial for business use. A device with a solid warranty and reliable customer service can save you money and frustration if issues happen down the line.
Frequently Asked Questions
How Does a 4-Bay NAS Enhance Data Redundancy and Protection?
A 4-bay NAS enhances data redundancy and protection by allowing me to set up RAID configurations like RAID 5 or RAID 10. These setups ensure that if one drive fails, my data stays safe and accessible. I also appreciate its automatic backups and snapshot features, which add extra layers of security. Overall, a 4-bay NAS gives me peace of mind knowing my data is well shielded and easily recoverable.
Can These NAS Devices Support Multiple Users Simultaneously?
Like a Swiss Army knife of data storage, these NAS devices support multiple users simultaneously with ease. I’ve found they handle concurrent access smoothly, whether for streaming, backups, or shared workspaces. They’re perfect for small teams or families, offering seamless performance without a hitch. You’ll appreciate how effortlessly they keep everyone connected and data accessible, making collaboration feel like a breeze.
What Are the Energy Consumption Differences Among These NAS Models?
Energy consumption varies among these NAS models, with some designed to be more power-efficient. I’ve noticed that models with advanced power management features use less energy during idle times, saving you money on electricity. Higher-performance units tend to consume a bit more, especially under load. Overall, I recommend checking each device’s specifications for precise energy use, but most modern NAS devices aim to balance performance with low power consumption.
Are There Specific Security Features Included in These NAS Devices?
Yes, these NAS devices come with robust security features. I’ve found they often include encrypted data transfer, multi-factor authentication, and regular firmware updates to patch vulnerabilities. Some models also offer VPN support, intrusion detection, and user access controls. I recommend checking each device’s specs, but overall, they’re designed to keep your data safe and secure against threats.
How Easy Is It to Expand Storage Capacity Later?
Expanding storage on these NAS devices is like adding more pages to a story — straightforward and seamless. Most models support hot-swappable drives, allowing you to upgrade or add disks without shutting down. Some even offer expansion units that connect easily via USB or eSATA. I find the process intuitive, especially with clear manufacturer guides, so growing your storage feels like turning a new chapter rather than a hurdle.
Conclusion
Choosing the right 4-bay NAS feels like building a personal digital fortress—each drive slot a brick, each feature a sturdy wall. Picture your data safely stored behind a sleek, humming device, ready to spring to life whenever you need it. Whether it’s for backups, media, or business, these options offer a solid foundation. Find your perfect match, and turn your storage into a reliable, accessible sanctuary for all your digital treasures.
