Best Test 4 Bay Nas 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

Synology

SYNOLOGY DS925+ 4-Bay DiskStation (up to 9-Bay), AMD Ryzen V1500B, 4GB RAM

Show more
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

SYNOLOGY DS925+ 4-bay DiskStation (up to 9-bay), AMD Ryzen V1500B, 4GB RAM

599,00 €
Value for Money

02

UGREEN

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

Show more

16% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

WIDELY USED COMPATIBILITY UGREEN NASync is compatible with Western Digital, Seagate, Toshiba and other third party hard drives. Please check our compatibility list for full details. Note: Storage hard drives are not included and must be purchased separately.
User-friendly app: Manage your storage and access your files from all your devices easily with our customized software – all without multiple tools or complicated third-party software. Available for Android, iOS, Windows, Mac, web browser and smart TVs.
Professional data security: With secure encryption, user accounts and data are fully protected.
Lightning-fast 10GbE and 2.5GbE network ports: The NASync DXP4800 Plus delivers data rates of up to an impressive 1250 MB/s via two separate ports. Ideal for anyone who needs fast and smooth transmission of 4K videos and large files.
4 Bays and maximum 136TB: The four SATA bay supports up to 30TB each. In addition, two compact M.2 NVMe SSDs with up to 8TB each can be installed (for SSD caching or additional fast storage). With full utilization of all slots, the maximum capacity is an impressive 136TB.
12. Gen 5-core Intel processor: This powerful Intel CPU delivers an exceptionally smooth experience and delivers significant performance gains over previous generations.

589,99 € 699,99 €(16% Off off)
03

UGREEN

UGREEN NASync DH4300 Plus 4-Bay Desktop NAS, 2.5GbE LAN Port, 8GB LPDDR4X RAM, NFC One-Touch Connection, AI Families and Baby Album, Personal Cloud for Home/Office (Diskless)

Show more

10% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Your data in your hand: Store your data securely locally. Advanced encryption, firewall and two-factor authentication reliably protect your files from unauthorized access - even UGREEN has no access to your private data.
User-friendly app: Hassle-free setup and easy file sharing on Windows, macOS, Android, iOS, web browsers and smart TVs – secure access from any device, anytime and anywhere.
Powerful and efficient hardware: Powered by powerful & efficient SoC and 2.5GbE, everything runs energy efficient and fluid – even with multiple applications. 1GB transfers in just 3 seconds - ideal for video editing, 4K streaming and everyday data storage.
Note: Memory drives are not included and must be purchased separately.
NO MONTHLY FEE A purchase to save all your family memories. Eliminating cloud storage costs will save you €719.88 per year*(Based on the standard package of €59.99/month for 12TB)
Huge storage capacity of 120TB - Provides ample space to safely back up all your files, photos, videos and memories with extra room for future growth.
AI automatically organizes photos by faces, scenes and locations, removes duplicates and creates personalised baby growth albums - so all precious moments are easily preserved and easy to share with family via QR code or link.

386,99 € 429,99 €(10% Off off)
04

TERRAMASTER

TERRAMASTER F4-212 4-Bay NAS - Quad Core CPU, 2GB DDR4 RAM, Networked Memory Personal Cloud (Diskless)

Show more
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

The ultimate home network storage solution: The F4-212 NAS storage is an affordable and powerful 4-bay NAS optimized for home and SOHO users and runs on the latest TOS 5.1 operating system.
Powerful hardware: The F4-212 Network Attached Storage uses an ARM v8 quad-core CPU with 1.7GHz and 2GB RAM (NOT upgradeable). This NAS server has a powerful 4K video hardware decoding function and is compatible with the uPnP/DLNA protocol, making it an ideal solution for use as a multimedia center at home.
Extensive backup solutions: The F4-212 backup solution can take robust measures and ensure the well-being of your valuable information by leveraging its visual user interfaces and trusted storage solutions, thanks to its integration with multiple backup applications such as Duple Backup, TSSS, TFM Backup, CloudSync and more, which can meet the backup needs under all circumstances.
Cross-platform file services: The F4-212 file server supports all major file services: SMB, NFS, SFTP/FTP, AFP, iSCSI, WebDAV; and it features multiple permission management for users, user groups and folders, enabling cross-platform file services in different network environments.

178,19 €
05

QNAP

QNAP TS-433 NAS

Show more
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

4 GB onboard (not expandable)
1x 1Gbit LAN; 1x 2.5Gbit LAN; x 25Gbit LAN; 1x USB 3.0
1 x 2.5 Gigabit Ethernet port, 1 x Gigabit Ethernet port

398,90 €
06

UGREEN

UGREEN NASync DXP4800 4-Bay NAS Server, Intel N100 Quad-Core, 8GB DDR5, 2×2.5GbE LAN, 2×M.2 NVMe Slots, 4K HDMI, Compatible with Third Party NAS Hard Drives/HDD for Home & Office (Diskless)

Show more

15% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

User-friendly app: Easy setup and easy file sharing on Windows, macOS, Android, iOS, web browsers and smart TVs, so you have secure access from any device.
The better alternative to external hard drives: With NAS you benefit from centralized storage, automatic backups, remote access, and versatile RAID options that allow easy data recovery, even in the event of a hard drive failure.
Super fast transmissions: Secure 1GB in less than 2 seconds with the 2x 2.5GbE network ports or the 10Gbps USB ports.
Secure your own cloud: Maintain 100% of data sovereignty with advanced encryption to protect your files. Flexible permissions management allows you to maintain your privacy when collaborating with others.
Note Hard drives are not included and must be purchased separately."
Huge storage capacity: No more storage problems. With a capacity of up to 136 TB, you can store 47 million photos or 92,000 movies!
AI Photo Album: Automatically organizes your photos by recognizing faces, scenes, objects and places. It can also immediately remove duplicate photos, freeing up storage space and saving time.

467,99 € 549,99 €(15% Off off)
07

Synology

DS425+ 4-Bay Synology NAS - 3 Year Warranty, Compact Storage Solution with Integrated 2.5GbE Port

Show more
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

· Two M.2 2280 NVMe slots for caching or storage pool creation
· Supports new memory module: D4NS01-4G
· 2GB DDR4 Non-ECC SODIMM (upgradable to 6GB with an additional 4GB module)
· 1 × 2.5 GbE and 1 × 1 GbE RJ-45 LAN ports
New model of the Plus series with 4 bays and an Intel Celeron J4125 quad-core processor

489,99 €
08

QNAP

QNAP TR-004 4 Bay Desktop NAS Expansion Enclosure

Show more
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Use the TR-004 as an alternative to traditional NAS expansion enclosures: As an external hardware RAID device, the TR-004 operates independently and does not require any additional NAS system resources.
Supports multiple RAID levels: The TR-004 supports a variety of RAID configurations. You can switch between hardware or software-controlled RAID modes as needed.
Lockable hard drive bays for increased security to prevent accidental drive removal.
Flexible storage configuration and management: Compared to other RAID enclosures, the TR-004 offers software-driven configurations for greater management flexibility.
Effective storage expansion with RAID support: The TR-004 is an ideal solution for memory expansion for PCs, especially for laptops that cannot install larger, more powerful hard drives.

242,85 €
09

Synology

Synology Diskstation DS423 NAS System

Show more

15% Off
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Versatile Surveillance - Protect your home or business with intuitive monitoring, archiving, and analysis tools for up to 30 IP cameras
SECURE SHARE AND SYNC - Secure access to files and media from anywhere and keep friends, partners or colleagues on the same page
Easy data protection - Secure your media and documents in multiple locations and take snapshots to protect against malware
Centralized Data Storage - Consolidate up to 72TB of data and enjoy 100% data ownership and multi-platform access from anywhere

381,90 € 449,99 €(15% Off off)
10

TERRAMASTER

TERRAMASTER F4-425 4-Bay NAS Storage - Intel x86 Quad-Core CPU, 4GB RAM, 2.5GbE LAN, Networked Storage Multimedia Server for Home Users (No Hard Drive)

Show more
8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Ultra-quiet and easy to use: The F4-425 NAS server operates at only 22 dB(A), making it ideal for quiet environments such as bedrooms. Thanks to its tool-free push-lock design, the hard drive bays can be installed in just 10 seconds.
TNAS Mobile Full Control: Initialize the setup of your F4-425 NAS storage via the TNAS Mobile App without a PC. The mobile app supports automatic photo and video backups as well as real-time local/remote synchronization, all managed from a single client.
Powerful: Equipped with an Intel x86 quad-core processor and 4GB RAM, the F4-425 network storage effortlessly handles 4K transcoding and multitasking. The 2.5GbE port ensures ultra-fast file transfers and supports multiple users simultaneous access.
Multimedia Hub for Home The F4-425 media server supports hardware level 4K H.265 decoding, is compatible with Plex, Emby and Jellyfin for smooth HD video playback, and features DLNA for seamless streaming on multiple devices. The Photos app provides an AI smart album and organizes millions of photos efficiently.
Enormous storage capacity and security: The F4-425 4-bay NAS supports up to 120TB of storage space (4 x 30 TB per bay), more than 50 independent user accounts, and flexible TRAID arrays, saving 30% more storage space than traditional RAID systems, while ensuring data redundancy. The SPC security module and CloudSync (supports Google Drive, OneDrive, Dropbox) guarantee worry-free data protection. In addition, TerraSync allows bi-directional synchronization between the F4-425 and PCs/Macs.

429,99 €