Best Synology 4 Bay 2026

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Last Updated - 27.03.2026

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01

Synology

Synology DS925+ Bundle 16TB Western Digital (WD Red Plus 4X 4TB) 4Bay Desktop NAS, 2.5GbE Ports, 4GB RAM

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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: includes file and photo management, data protection, virtualization, and monitoring features
Successor model of the DS923+. Since DSM 7.3 also compatible with third-party drives
Reliable performance - up to 522/565 MB/s sequential read/write throughput for stable data transfers
Fast and flexible networking - Two 2.5GbE ports provide fast network speeds and improved redundancy
Expandable product support - 3-year limited hardware warranty, expandable to 5 years in select markets
Capacity Expansion - Expand up to 9 bays with the DX525 for up to 180TB of storage

1.427,45 €
02

Synology

Synology DS425+ 16TB Bundle Seagate (4X 4TB Seagate Ironwolf) 4 Bay Desktop NAS with Intel Celeron J4125 Quad Core Processor, 2GB DDR4 RAM

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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

Manage all your documents, photos and other files, back up applications and devices, and protect your assets with professional video surveillance.
DS425+ provides built-in 2.5GbE networking capability, supports SATA SSDs, 2.5"/3.5" HDDs, and M.2 NVMe drives via M.2 port for fast cache access.
Compact 4-bay chassis, successor to the DS423+
Built-in 2.5GbE port and over 278/281 MB/s sequential read/write
Also compatible with third-party drives since DSM 7.3

1.239,00 €
03

Synology

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

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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

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

599,00 €
Value for Money

04

Synology

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

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16% 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.

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Main highlights

robustness
Flexible design
Durable

700,43 € 829,50 €(16% Off off)
05

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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9.1

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

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

489,00 €
06

Synology

Synology 4-Bay DS423+ - Celeron J4125

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9.0

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
High-quality material
Flexible design
Durable

799,00 €
07

Synology

Synology Diskstation DS423 NAS System

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8.9

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

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

389,00 €
08

UGREEN

UGREEN NASync DXP4800 Plus, 4-Bay Desktop NAS, Intel Pentium Gold 8505 Processor with 5 Cores, 8GB DDR5 RAM, 128GB SSD, 1×10GbE, 1×2.5GbE, 2×M.2 NVMe Slots, HDMI 4K (No Hard Drives)

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11% Off
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

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.
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.
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.
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.

646,92 € 729,99 €(11% Off off)
09

Synology

Synology DS225+ 8TB (Seagate Ironwolf 2x4TB) 2-Bay Plus Series - Intel Celeron J4125 Quad-Core, 2GB Non-ECC DDR4 SODIMM 1x2.5GbE and 1x1GbE RJ-45 LAN Port

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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.

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Main highlights

The new model of the 2-Bay Plus series in the Intel Celeron J4125 quad-core processor is positioned to replace DS224+
Supports new memory module: D4NS01-4G
DS225+ also compatible with third-party drives since DSM 7.3
Built-in 1 x 2.5 GbE and 1 x 1 GbE RJ-45 LAN port
2GB Non-ECC DDR4 SODIMM standard and upgradable to 6GB (2GB + 4GB)

727,00 €
10

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)

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16% Off
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.

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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: 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.

369,00 € 439,99 €(16% Off off)