10 Best Best 4 Bay Nas 2025 of 2025

Tested and Reviewed: Top 10 Best 4 Bay Nas 2025 deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

UGREEN

UGREEN NASync DXP4800 Plus 4-Bay Desktop NAS, Intel Pentium Gold 8505 5-Core CPU, 8GB DDR5 RAM, 128G SSD, 1 * 10GbE, 1 * 2.5GbE, 2 * M.2 NVMe Slots, 4K HDMI, Network Attached Storage (Diskless)

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Editor's bottom line:

“This best 4 bay nas 2025 is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

High-Performance NAS with Powerful Procesor: DXP4800 Plus is ideal for small offices, & More. You can enjoy smooth performance and seamless collaboration, while making use of advanced features like Docker and virtual machines. It works semalessly across every device inluding Windows, macOS, Linux, iOS, Android or Google services and so on.
Better Way to Store Than External Drives: NAS offers centralized storage, automatic backups, remote access, and a wide range of RAID options for easy data recovery even if a drive fails. Massive Storage Capacity: Never worry about storage limits again. With up 136TB capacity, you can store 47 million photos or 92,000 movies! *Hard Drives not included.
Super-Fast Transfers: Back up 1GB in less than a second using either the 10GbE network port or the 10Gbps USB ports.
Secure Private Cloud: Retain 100% data ownership with advanced encryption to protect your files. Flexible permission management makes it easy to protect your privacy when collaborating with others.
AI-Powered Photo Album: Automatically organizes your photos by recognizing faces, scenes, objects, and locations. It can also instantly remove duplicates, freeing up storage space and saving you time.
User-Friendly App: Simple setup and easy file-sharing on Windows, macOS, Android, iOS, web browsers, and smart TVs, giving you secure access from any device.
Widely Compatible: UGREEN NASync is compatible with Western Digital, Seagate, Toshiba, and more third-party hard drives. Please check our compatibility list for full details. Note: Storage hard drives are not included and need to be purchased separately.
2-Year Warranty: Enjoy 2 years of protection with UGREEN. You will get 24h specialist support, 30-day free returns. We are here, standing with you. Please feel free to contact our specialist support.
NAS Knowledge & Support Center: Any questions or issures, please contact Amazon Customer Service or visit the UGREEN Knowledge Center or the Support section in the NAS app. There are also user manual, trouble shooting guide on the product page where Safety and Product Resources is.

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Picked by 397 people today

9.5

BUFFALO

BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 16TB (4x4TB) with Hard Drives Included

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Main Highlights

Low Cost Professional Grade Network Attached Storage - Optimized to organize, store, share, and back up your important and everyday files.
Purpose-Built for Data Protection Secure NAS with 256-bit drive encryption, a closed system, and flexible replication and backup features to keep your data safe.
Fast Data Transfers Native 2.5GbE port for high speed file transfers with no cable upgrade needed.
Reliable Storage with Effortless Setup Hard drives included and RAID pre-configured for hassle-free, out-of-the-box protection, and can be changed to other RAID modes to best suit your needs.
Cloud Integration Sync with Amazon S3, Dropbox, Azure and OneDrive to create a hybrid cloud for extra data security, cost savings, and flexible scalability.
16 TB Capacity 4 pre-tested hard drives included. Ships in RAID 5 for 12 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 16 TB.
Peace of Mind Included 3-year warranty (includes hard drive coverage) with 24/7, award-winning US-based support and data recovery service. (Additional warranty options available.)
Made in Japan Quality made data storage and fully TAA compliant.

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9.5

BUFFALO

BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 32TB (4x8TB) with Hard Drives Included

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Main Highlights

Low Cost Professional Grade Network Attached Storage - Optimized to organize, store, share, and back up your important and everyday files.
Purpose-Built for Data Protection Secure NAS with 256-bit drive encryption, a closed system, and flexible replication and backup features to keep your data safe.
Fast Data Transfers Native 2.5GbE port for high speed file transfers with no cable upgrade needed.
Reliable Storage with Effortless Setup Hard drives included and RAID pre-configured for hassle-free, out-of-the-box protection, and can be changed to other RAID modes to best suit your needs.
Cloud Integration Sync with Amazon S3, Dropbox, Azure and OneDrive to create a hybrid cloud for extra data security, cost savings, and flexible scalability.
32 TB Capacity 4 pre-tested hard drives included. Ships in RAID 5 for 24 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 32 TB.
Peace of Mind Included 3-year warranty (includes hard drive coverage) with 24/7, award-winning US-based support and data recovery service. (Additional warranty options available.)
Made in Japan Quality made data storage and fully TAA compliant.

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9.2

BUFFALO

BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 24TB (4x6TB) with Hard Drives Included

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Main Highlights

Low Cost Professional Grade Network Attached Storage - Optimized to organize, store, share, and back up your important and everyday files.
Purpose-Built for Data Protection Secure NAS with 256-bit drive encryption, a closed system, and flexible replication and backup features to keep your data safe.
Fast Data Transfers Native 2.5GbE port for high speed file transfers with no cable upgrade needed.
Reliable Storage with Effortless Setup Hard drives included and RAID pre-configured for hassle-free, out-of-the-box protection, and can be changed to other RAID modes to best suit your needs.
Cloud Integration Sync with Amazon S3, Dropbox, Azure and OneDrive to create a hybrid cloud for extra data security, cost savings, and flexible scalability.
24 TB Capacity 4 pre-tested hard drives included. Ships in RAID 5 for 18 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 24 TB.
Peace of Mind Included 3-year warranty (includes hard drive coverage) with 24/7, award-winning US-based support and data recovery service. (Additional warranty options available.)
Made in Japan Quality made data storage and fully TAA compliant.

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9.0

BUFFALO

BUFFALO LinkStation 220 4TB 2-Bay NAS Network Attached Storage with HDD Hard Drives Included NAS Storage That Works as Home Cloud or Network Storage Device for Home

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Main Highlights

Value NAS with RAID for centralized storage and backup for all your devices. Check out the LS 700 for enhanced features, cloud capabilities, macOS 26, and up to 7x faster performance than the LS 200.
Connect the LinkStation to your router and enjoy shared network storage for your devices. The NAS is compatible with Windows and macOS*, and Buffalo's US-based support is on-hand 24/7 for installation walkthroughs. *Only for macOS 15 (Sequoia) and earlier. For macOS 26, check out our LS 700 series.
Subscription-Free Personal Cloud Store, back up, and manage all your videos, music, and photos and access them anytime without paying any monthly fees.
Storage Purpose-Built for Data Security A NAS designed to keep your data safe, the LS200 features a closed system to reduce vulnerabilities from 3rd party apps and SSL encryption for secure file transfers.
Back Up Multiple Computers & Devices NAS Navigator management utility and PC backup software included. NAS Navigator 2 for macOS 15 and earlier. You can set up automated backups of data on your computers.
Securely Share Files With Family & Friends Configure individual access restrictions for folders to ensure your data remains private while securely share storage space or files with others.
4TB Total Capacity With 2 Drive Bays Ships in RAID 1 (Automatic Backup and 2TB useable capacity) but can be set to RAID 0 to use the full 4TB.
Secure and Centralize Your Data Use the NAS as a central storage and backup location. No more searching through different external drives or cloud accounts.
Made in Japan Quality Devices.
24/7 US-based support, with 2-year warranty, including hard drives.

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8.8

AOOSTAR

AOOSTAR WTR PRO AMD Ryzen 7 5825u 4 Bay NAS Mini PC, NO RAM NO SSD, 4K HDMI, 2 * M.2 NVMe Slots, 2.5/3.5 SATAx 4 Storage (Up to 4 * 22TB)

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Main Highlights

AMD Ryzen 7 5825U AOOSTAR The latest WTR PRO is powered by AMD Ryzen 7 5825U processor 8 cores 16 threads with integrated Radeon Vega graphics Advanced 7nm Zen 3 architecture, Base clock: 2.0 GHz Maximum boost clock: 4.5 GHz, Graphics clock: 2000 MHz Superior performance in gaming, video playback and graphics tasks.
4 Bays Nas &Dual ChannelWTR PRO mini pc has 4 bays, perfect for use as soft routing, Diy Nas, etc., can run 24/7, 15W - 25W low power consumption, energy saving and power saving. mini pc uses dual channel 3200MHz DDR4 RAM, 2 slots, maximum capacity support 64GB (32*2). This Mini PC is expandable up to 4 x 22TB with four 3.5 SATA hard drives and two M.2 2280-NVME.
4K Video Output & 3 ScreensThis mini pc can connect up to three 4K-resolution displays simultaneously via DP144Hz/HDMI/Type-C, enabling efficient multitasking and more screens for an even better working environment. It is suitable for a wide range of applications including office, gaming, new media, video editing and telecommuting.
Extreme Heat Dissipation & Ultra-QuietThe WTR PRO Mini PC is equipped with a through-the-wall construction and 12CM fan for superior cooling performance. It efficiently dissipates heat while maintaining silent operation. Intelligent fan control ensures optimum cooling according to the load, while the dustproof design prevents dust from entering the interior and ensures stable operation over long periods of time.
High Speed & Rich PortsMini PC support WOL call startup, Wake on LAN. Interface: 2 x USB3.0, 2 x USB2.0, 1 x DP1.4 (4K144Hz), 2 x LAN (2.5G), 1 x 3.5mm Audio Jack, 1 x HDMI 2.1, 1 x Micro SD, Card Port x 1, DC x 1
AOOSTAR provide 12 months after-sales service from the date of order, you have any questions about the product, please contact us by inquiry/e**mail

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8.6

BUFFALO

BUFFALO TeraStation WS5420DN 4-Bay Windows Server IoT 2025 Desktop NAS 48TB (4x12TB) w/HDD Included

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Main Highlights

Native Windows Server IoT 2025 for Storage Workgroup edition.
Pre-tested NAS-grade hard drives included with RAID pre-configured.
No CAL (Client-Access Licenses) required.
Cost-effective small business NAS with Windows Server enhanced data management and security features.
Cloud service integration with Azure, OneDrive, and other Microsoft-compatible services enables to create a hybrid cloud for additional security and flexibility.
Includes NovaBACKUP software license(s) for versatile, professional-level server and PC backups.
48 TB Capacity 4 pre-tested, NAS-grade hard drives included. Ships in RAID 5 for 32 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 48 TB.
3-year warranty (5-year optional extension) with 24/7 North America-based support and Simple Logical Data Recovery service qualification when product is registered.
Made in Japan/TAA Compliant.

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8.3

BUFFALO

BUFFALO TeraStation WS5420DN 4-Bay Windows Server IoT 2025 Desktop NAS 16TB (4x4TB) w/HDD Included

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Main Highlights

Native Windows Server IoT 2025 for Storage Workgroup edition.
Pre-tested NAS-grade hard drives included with RAID pre-configured.
No CAL (Client-Access Licenses) required.
Cost-effective small business NAS with Windows Server enhanced data management and security features.
Cloud service integration with Azure, OneDrive, and other Microsoft-compatible services enables to create a hybrid cloud for additional security and flexibility.
Includes NovaBACKUP software license(s) for versatile, professional-level server and PC backups.
16 TB Capacity 4 pre-tested hard drives included. Ships in RAID 5 for 12 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 16 TB.
3-year warranty (5-year optional extension) with 24/7 North America-based support and Simple Logical Data Recovery service qualification when product is registered.
Made in Japan/TAA Compliant.

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8.1

Asustor

Asustor Drivestor 4 Pro Gen2 AS3304T v2, 4 Bay NAS, 1.7GHz Quad-Core, 2.5GbE Port, 2GB RAM DDR4, Best Value for Home Media Server, Network Attached Storage(Diskless)

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Main Highlights

Equipped with Realtek RTD1619B 1.7GHz quad-core processor
Superfast 2.5-Gigabit Ethernet. 2 GB DDR4 RAM
Upgraded powerful internal display, smooth transcoding of 4K videos
Supports Wake on LAN and Wake on WAN. Btrfs/iSCSI Snapshots
Tool-free installation

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8.1

TERRAMASTER

TERRAMASTER F2-425 2-Bay NAS Storage - Intel x86 Quad-Core CPU, 4GB RAM, 2.5GbE LAN, Network Attached Storage Multimedia Server for Home Users (Diskless)

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Main Highlights

Powerful Performance: Equipped with an Intel x86 quad-core processor and 4GB RAM, the F2-425 network attached storage effortlessly handles 4K transcoding and multitasking. The 2.5GbE port ensures ultra-fast file transfers and supports multi-user concurrent access.
Home Multimedia Hub: The F2-425 media server supports hardware-level 4K H.265 decoding, compatible with Plex, Emby, and Jellyfin for smooth HD video playback, with DLNA for seamless multi-device streaming. The Photos app features AI smart album and efficiently organizes millions of photos.
TNAS Mobile Full Control: Initialize setup for your F2-425 NAS storage via the TNAS Mobile app without a PC. The mobile app supports automatic photo and video backups, plus real-time local/remote synchronization, all managed through a single client.
Ultra-Quiet & User-Friendly: The F2-425 NAS server operates at just 19dB(A), ideal for quiet environments like bedrooms. Its tool-free Push-Lock design HDD trays enable to install HDDs in 10 seconds.
Massive Storage & Security: The F2-425 2-bay NAS supports up to 60TB storage (2 x 30TB for each bay), 50+ independent user accounts, and flexible TRAID arrays, saving 30% more storage space than traditional RAID while ensuring data redundancy. SPC security module and CloudSync (supporting Google Drive, OneDrive, Dropbox) guarantee worry-free data protection. Additionally, TerraSync enables two-way sync between the F2-425 and PCs/Macs.

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Our Best Overall Choice

Best Choice

9.7

UGREEN

UGREEN NASync DXP4800 Plus 4-Bay Desktop NAS, Intel Pentium Gold 8505 5-Core CPU, 8GB DDR5 RAM, 128G SSD, 1 * 10GbE, 1 * 2.5GbE, 2 * M.2 NVMe Slots, 4K HDMI, Network Attached Storage (Diskless)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

High-Performance NAS with Powerful Procesor: DXP4800 Plus is ideal for small offices, & More. You can enjoy smooth performance and seamless collaboration, while making use of advanced features like Docker and virtual machines. It works semalessly across every device inluding Windows, macOS, Linux, iOS, Android or Google services and so on.
Better Way to Store Than External Drives: NAS offers centralized storage, automatic backups, remote access, and a wide range of RAID options for easy data recovery even if a drive fails. Massive Storage Capacity: Never worry about storage limits again. With up 136TB capacity, you can store 47 million photos or 92,000 movies! *Hard Drives not included.
Super-Fast Transfers: Back up 1GB in less than a second using either the 10GbE network port or the 10Gbps USB ports.
Secure Private Cloud: Retain 100% data ownership with advanced encryption to protect your files. Flexible permission management makes it easy to protect your privacy when collaborating with others.
AI-Powered Photo Album: Automatically organizes your photos by recognizing faces, scenes, objects, and locations. It can also instantly remove duplicates, freeing up storage space and saving you time.
User-Friendly App: Simple setup and easy file-sharing on Windows, macOS, Android, iOS, web browsers, and smart TVs, giving you secure access from any device.
Widely Compatible: UGREEN NASync is compatible with Western Digital, Seagate, Toshiba, and more third-party hard drives. Please check our compatibility list for full details. Note: Storage hard drives are not included and need to be purchased separately.
2-Year Warranty: Enjoy 2 years of protection with UGREEN. You will get 24h specialist support, 30-day free returns. We are here, standing with you. Please feel free to contact our specialist support.
NAS Knowledge & Support Center: Any questions or issures, please contact Amazon Customer Service or visit the UGREEN Knowledge Center or the Support section in the NAS app. There are also user manual, trouble shooting guide on the product page where Safety and Product Resources is.

Show Price

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