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Synology DiskStation DS425+ 4-Bays – DS425+
Brand: Synology
AED 2,005.00 excl. VAT
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AED 2,005.00 excl. VAT
Best Price: AED 1,954.88 on Bank Transfer / Cash Payment (-AED 50.13)
Estimated delivery between Mar 17, 2026 - Mar 24, 2026
For urgent delivery, please contact sales before ordering. Orders usually ship as per the estimated delivery date in certain case backorders may take 4–12 weeks. Images are for illustration only and may differ from the actual item.
Synology DiskStation DS425+ 4-Bays – DS425+
“Synology Diskstation 425+ Intel Celeron J4125 2GB 4bay 2 (NVMe)”

DiskStation DS425+
A compact storage hub with 100% data ownership
Hardware Ports & Slots

1. Status indicator
2. Drive status indicators
3. Drive tray lock
4. USB 3.2 Gen 1 port
5. Power button and indicator
6. Drive trays

7. Fans
8. 1GbE RJ-45 port
9. 2.5GbE RJ-45 port
10. Reset button
11. USB 3.2 Gen 1 port
12. Power port
13. Kensington security slot

14. M.2 NVMe SSD slots
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Overview
Features
Conquer data chaos
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Compact 4-bay
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Speedy storage
Built-in 2.5GbE port and over 278/281 MB/s sequential read/write4
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Versatile applications
Back up multiple endpoints, manage 40 IP cameras5, or safely sync and share files across sites

2.5GbE connectivity and diverse storage options
The DS425+ features built-in 2.5GbE networking and supports both SATA SSDs and HDDs in 2.5″/3.5″ internal bays, as well as M.2 NVMe drives via M.2 slots for use cache.2,6
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance.
Private cloud for seamless data access

Streamlined file management and collaboration
Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with versioning. Learn more

A private photo storage and management solution
Effortlessly back up and organize photos, videos, and other visual assets using intuitive management tools. Automatically organize your content into albums and create secure share links for stakeholders and teammates. Learn more

Boost team productivity with collaborative tools
Enhance workplace collaboration with Synology’s productivity solutions. Create, edit, and share documents across teams in real time. Host an on-premises mail server to provide web-based email access while maintaining full data ownership. Additionally, stay connected through secure one-on-one chats, public channels, encrypted private channels, and group conversations. Learn more
Multi-site synchronization to empower global workflows

NAS-to-NAS synchronization
Improve workflow efficiency and team alignment across data sites with automatic one- or two-way site-to-site syncing. Files and folders are kept up-to-date across sites, so everyone stays aligned, whether at home, in the office, or across different branches — all while maintaining full control of your data. Learn more

Cloud-powered multi-site syncing
Empower global workflows with high-speed access to data from anywhere in your network. Our hybrid cloud solution caches frequently used files locally for rapid access, while less frequently accessed data is stored in the cloud, reducing your on-site storage requirements.7

Sync to public cloud providers
Automatically keep data in sync between Synology NAS and major cloud providers, including BackBlaze B2, Dropbox, Google Drive, and Microsoft OneDrive. Multiple protocol support, client-side encryption, and customizable sync and bandwidth controls enable efficient storage management across various platforms. Learn more
Comprehensive data backup, protection, and recovery solutions

Back up PCs, smartphones, cloud apps, and more
Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in backup solutions designed to protect your data with seamless 3-2-1 backup configurations.

Comprehensive and flexible Synology system backups
Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups, including bare-metal backups, to local and remote servers, external drives, or cloud storage destinations, including Synology C2 Storage.7Learn more

Tamper-proof protection with immutable snapshots
Safeguard critical LUNs and shared folders with automated immutable snapshots backed by custom retention policies. Built-in support for offsite replication further ensures robust business continuity. Learn more
Smart surveillance

Synology Surveillance Station
Protecting your business has never been easier, with centralized management, support for over 8,700 IP camera models, and remote monitoring and playback. Synology’s scalable video management system provides all the tools you need for live monitoring, investigation, management, and backup.8Learn more

Dual recording to the cloud
Secure your surveillance footage with robust cloud backup that supports end-to-end encryption. Our cloud-based surveillance backup solution safeguards your Surveillance Station recordings, allowing you to access, view, share, and download footage through a convenient web portal. Ensure your data remains available even if your on-premises system is compromised.9Learn more
Centralized monitoring and management
Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.
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Central Management System
Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.
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Active Insight
Monitor your global Synology fleet’s performance, backup status, login activity, and more with the power of the cloud.10




Performance backed by Synology drives
Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.2

Supercharge your setup with Synology router
Pair your NAS with Synology RT6600ax or WRX560 to maximize 2.5GbE connectivity. Enjoy high-speed transfers and secure your network with VLANs, threat prevention, and web filtering — all through a familiar Synology interface. Learn more
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Detailed Tech Specs
Hardware Specs
|
CPU |
CPU Model | Intel Celeron J4125 |
|---|---|---|
| CPU Quantity | 1 | |
| CPU Core | 4 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2.0 (base) / 2.7 (turbo) GHz | |
| Hardware Encryption Engine | ||
|
Memory |
System Memory | 2 GB DDR4 non-ECC |
| Total Memory Slots | 1 | |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | |
| Notes |
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Storage |
Drive Bays | 4 |
| M.2 Drive Slots | 2 (NVMe) | |
| Drive Type (See all supported drives) |
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| Hot Swappable Drive* | ||
| Notes |
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External Ports |
RJ-45 1GbE LAN Port | 1 |
| RJ-45 2.5GbE LAN Port | 1 | |
| USB 3.2 Gen 1 Port | 2 | |
| Notes | This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. | |
|
Appearance |
Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
| Weight | 2.18 kg | |
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Others |
System Fan | 92 mm x 92 mm x 2 pcs |
| Fan Speed Mode |
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| Brightness Adjustable Front LED Indicators | ||
| Power Recovery | ||
| Noise Level* | 21.6 dB(A) | |
| Scheduled Power On / Off | ||
| Wake on LAN / WAN | ||
| Power Supply Unit / Adapter | 90 watts | |
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption | 28.25 watts (Access) 6.10 watts (HDD Hibernation) | |
| British Thermal Unit | 96.33 BTU/hr (Access) 20.79 BTU/hr (HDD Hibernation) | |
| Notes |
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Temperature |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Operating Humidity | 8% to 80% RH | |
| Storage Humidity | 5% to 95% RH | |
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Certification |
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Warranty |
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus | |
| Notes |
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Environment |
RoHS Compliant | |
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Packaging Content |
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Optional Accessories |
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Software Specs
| Maximum Single Volume Size | 108 TB | |
| Maximum Internal Volume Number | 32 | |
| M.2 SSD Storage Pool Support* | ||
| SSD Read/Write Cache (Determining cache size) | ||
| SSD TRIM | ||
| Supported RAID Type |
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| RAID Migration |
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| Volume Expansion with Larger HDDs |
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| Volume Expansion by Adding a HDD |
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| Global Hot Spare Supported RAID Type |
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| Notes |
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| Internal Drives |
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| External Drives |
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| File Protocol |
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| Maximum Number of SMB Connections (FSCT-Based) | 10 | |
| Windows Access Control List (ACL) Integration | ||
| NFS Kerberos Authentication | ||
| Notes |
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| Maximum Local User Accounts | 512 | |
| Maximum Local Groups | 128 | |
| Maximum Shared Folder | 128 | |
| Maximum Shared Folder Sync Tasks | 4 | |
| Maximum Hybrid Share Folders | 10 | |
| Folder and Package Backup | ||
| Entire System Backup | ||
| Synology High Availability | ||
| Syslog Events per Second | 800 | |
|
Virtualization |
VMware vSphere | ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5 |
| Microsoft Hyper-V | Windows Server 2022 | |
| Citrix XenServer | XenServer 8, Citrix Hypervisor 8.2 LTSR CU1 | |
| OpenStack | Cinder | |
| Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Supported Browsers |
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| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 | |
| Notes | For an updated list of supported browser versions, check the DSM Technical Specifications. | |
|
Add-on Packages view the complete package list |
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Synology AI Console |
Third-Party AI Model Integration | |
| Maximum Number of Users | 100 | |
| Notes |
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Download Station |
Maximum Concurrent Download Tasks | 80 |
| Maximum iSCSI Target Number | 2 | |
| Maximum LUN | 4 | |
| LUN Clone/Snapshot, Windows ODX | ||
| Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
| Maximum Number of Users | 20 | |
| Notes |
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| DLNA Compliance | ||
| Facial Recognition | ||
| Object Recognition | ||
| Notes | Object recognition requires an upgrade of memory capacity to a minimum of 4 GB. | |
| Maximum Snapshots per Shared Folder | 128 | |
| Maximum Snapshots per LUN | 32 | |
| Maximum Snapshots per System | 1,024 | |
| Maximum Replication Tasks for Shared Folders | 16 | |
| Maximum Replication Tasks for LUNs | 8 | |
| Maximum Replication Tasks per System | 16 | |
| Default Licenses | 2 (Additional cameras require purchase of licenses) | |
| Maximum IP Cameras and Total FPS (H.264) |
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| Maximum IP Cameras and Total FPS (H.265) |
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| Notes |
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| Maximum Number of Users | 20 | |
| Maximum Number of Hosted Files | 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
| Notes |
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| Maximum Number of Users | 20 | |
| Notes |
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| Recommended Virtual Machine Instances | 2 (Learn more) | |
| Recommended Virtual DSM Number (Licenses required) | 2 (including 1 Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| Maximum Connections | 4 | |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.

















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