Best Synology 4 Bay 2026

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Last Updated - 22.07.2026

Best Choice

01

Synology

Synology DS923+ 4-Bay Diskstation NAS (AMD Ryzen 4 Threads R1600 Dual-Core 4GB Ram 2xRJ-45 1GbE LAN Port) 24TB Bundle with 4X 6TB Seagate IronWolf

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9.8

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.

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Main highlights

Versatile network storage: Leverage integrated solutions for file and photo management, data protection, virtualization, and video surveillance
Reliable performance: Up to 625/559 MB/s sequential read and write throughput for fast and efficient file management
LONGER SUPPORT Synology 3-year limited hardware warranty can be extended to 5 years in select regions
Fast and stable connectivity: Two 1GbE ports for easy integration into existing environments and optional 10GbE connectivity2 for more specialized and bandwidth-intensive applications
Easy capacity expansion: Expand 5 bays to a maximum of 9 storage drives with a DX517 expansion unit

1.919,00 €
02

Synology

Synology 4-Bay DiskStation DS923+ (Diskless)

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9.7

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.

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Main highlights

Up to 625/559MB/s sequential read/write throughput makes file operations fast and efficient
Leverage integrated file and photo management, privacy, virtualization and monitoring solutions
Dual 1GbE ports for easy integration into existing environments with optional 10GbE connectivity for specialized, bandwidth-intensive applications
Add 5 additional drive bays with a DX517 expansion unit for a maximum of 9 storage drives

999,00 €
03

Synology

Synology DiskStation DS425+ 4-Bay 3.5" DiskStation without Disk Intel Celeron J4125 1x1GbE + 1x2.5GbE 2GB RAM 2xUSB 3.2

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9.5

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.

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Main highlights

Plus Series 3.5" SATA Hard Drive: HAT3300 Series
Maximum IP camera: 25 (total 750 FPS at 720p, H.264) (including two free camera licenses; additional cameras require purchase of additional licenses)
Enterprise Series M.2 2280 NVMe SSD:SNV3400 Series
DDR4 Non-ECC SODIMM:D4NS01-4G
Built-in M.2 2280 NVMe SSD slots allow cache acceleration without occupying storage drive bays
Back up critical data and reduce your recovery time goal (RTO) with snapshot replication
3.5" SATA Hard Drive Enterprise Series: HAT5300 Series
2GB DDR4 integrated (expandable up to 6GB by adding 1 x D4NS01-4G)
2.5" SATA SSD Enterprise Series: SAT5200 Series

485,99 €
Value for Money

04

Synology

SYNOLOGY NAS DS925+ 4 Bay Expandable Capacity (No Hard Drive)

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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.

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Main highlights

Versatile network storage: Leverage integrated file and photo management, data protection, virtualization, and surveillance solutions
Reliable performance: up to 522/565 MB/s sequential read/write throughput for stable data transfers
Hard Drives Only support Synology HDD and SSD hard drives to give you exceptional reliability.
Fast and flexible network: Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy
Expandable product support – guaranteed by Synology's 3-year limited hardware warranty, expandable to 5 years.
Capacity expansion: add 5 additional drive bays for up to 180TB of 4 storage with a DX525 expansion unit

713,88 €
05

Synology

Synology DS923+ 4 Bay Desktop NAS Ryzen R1600 Dual-Core

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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.

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Main highlights

robustness
Flexible design
Durable

959,05 €
06

Synology

Synology DiskStation DS423 NAS

18% Off

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9.2

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.

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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

368,63 € 449,99 €(18% Off off)
07

UGREEN

UGREEN NASync DXP4800 Plus, 4-Bay Desktop NAS, Intel Pentium Gold 8505 Processor with 5 Cores, 8GB DDR5 RAM, Built-in 128GB SSD, 10GbE & 2.5GbE LAN, 2 × M.2 NVMe Slots, HDMI 4K (without Hard Drives)

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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.

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Main highlights

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 144TB: The four SATA bay supports up to 32TB 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 144TB.
12. Gen 5-core Intel processor: This powerful Intel CPU delivers an exceptionally smooth experience and delivers significant performance gains over previous generations.

599,99 €
08

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 (Without HDD)

15% Off Limited Time Deal

15% Off

Limited Time Deal

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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.

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Main highlights

Your hardware, your choice: Expand your storage without restrictions. With wide support for NAS hard drives from different manufacturers, you can scale capacity and performance individually.
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: Hard drives are not included and must be purchased separately; the specified maximum capacity of 128 TB is achieved by configuring multiple hard drives in RAID 0 mode.
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 128TB - 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.

339,00 € 399,00 €(15% Off off)
09

UGREEN

UGREEN NASync DXP4800 Pro, 4-Bay Desktop NAS, Intel i3-1315U 6-Core Processor, 8GB DDR5 (up to 96GB), Built-in 128GB SSD, 10GbE & 2.5GbE LAN, 2 × M.2 NVMe Slots, HDMI 4K (No Hard Drives)

13% Off

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8.5

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.

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Main highlights

Your hardware, your choice: Expand your storage without restrictions. With wide support for NAS hard drives from different manufacturers, you can scale capacity and performance individually.
Wide Compatibility UGREEN NASync is compatible with Western Digital, Seagate, Toshiba and other third party hard drives. Note: Hard drives are not included and must be purchased separately.
Ultra-fast 10GbE and 2.5GbE network ports: The NASync DXP4800 Pro delivers transfer speeds of up to 1250 MB/s over two dedicated ports. Ideal for transferring 4K videos and large files quickly and smoothly.
Two M.2 NVMe SSD slots: Support SSD caching to significantly speed up everyday tasks such as photo previews, app launch times and overall system performance.
Professional data security: User accounts and data are fully protected by secure encryption.
Note: 1. NAS hard drives and NAS HDD are not included and must be purchased separately. 2. Do not modify or reinstall the operating system yourself, do not turn off the device improperly and do not let it become powerless during the system update. Otherwise, this may result in the loss of drivers (e.g. for the network card) and network interference. 3. Actual network transfer speed is limited by factors such as home router, CPU, hard drive and file size; transfer speed may decrease.
Intuitive and easy-to-use app: Manage your storage and access your files from all your devices with our specially designed software, without multiple tools or complicated third-party programs. Available for Android, iOS, Windows, macOS, web browser and smart TVs.
Intel Core i3-1315U processor: Tackles demanding tasks effortlessly in parallel – from docker containers and virtual machines to file synchronization and media transcoding.
High expandability: The standard 8GB DDR5 memory ensures smooth multitasking, video editing and demanding applications. The memory can be expanded up to 96GB to support maximum performance and future needs.

699,00 € 799,99 €(13% Off off)
10

Synology

Synology DS223j 2-Bay Diskstation NAS (Realtek RTD1619B 4-Core 1.7 GHz 1GB DDR4 RAM 1xRJ-45 1GbE LAN Port) 8TB Bundle with 2 x 4TB Seagate IronWolf NAS HDDs (ST4000VN006)

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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.

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Main highlights

Versatile camera surveillance
Secure sharing and synchronization
Next Generation File System
Easy data backup
Central data storage

581,89 €