Synology DiskStation DS425+ 4-Bay NAS Server, Intel Celeron J4125 Quad Core Upto 2.7 GHz
DiskStation DS425+
A compact storage hub with 100% data ownership
Conquer data chaos
Compact 4-bay
Up to 80 TB of raw storage[1],[2]
Speedy storage
Built-in 2.5GbE port and over 278/281 MB/s sequential read/write[3]
Versatile applications
Back up multiple endpoints, manage 40 IP cameras[4], 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.[1],[5]
- Up to 278/281 MB/s read/write[3]
- Built-in 2.5GbE networking
- 2 x M.2 NVMe cache[5]
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.
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.
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.
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.
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.[6]
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.
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.[6]
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.
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.[7]
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.[8]
Centralized monitoring and management
Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.
Central Management System
Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.
Active Insight
Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.[9]
Performance backed by Synology drives
Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.[1]
Trusted by experienced IT professio?nals
With a 4.7/5 rating[11] and 92% recommendation rate on Gartner in the Primary Storage Platform category,[12] Synology is highly regarded by professionals in the IT industry.
Hardware Overview
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
Notes:
1. Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives.
2. Raw capacity calculated using 20 TB drives. Usable storage capacity may vary depending on drives used and RAID configuration.
3. Performance figures are obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.
4. This figure represents the recommended number of IP cameras operating at 1080p.
5. Synology Enterprise Series M.2 NVMe SSD drives can be installed through the built-in M.2 slots to enable SSD caching or create SSD storage pools. Drives are sold separately.
6. C2 Storage for Hyper Backup and Hybrid Share requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered account.
7. Surveillance Station includes two free licenses. Connecting more cameras and devices requires additional licenses.
8. C2 Backup for Surveillance requires purchase of an eligible annual subscription. Each additional channel requires a separate subscription. A free trial is available.
9. Synology Active Insight includes three free licenses. Additional licenses can be added with the purchase of an annual subscription.
10. The warranty period starts from the date of purchase as stated on your purchase receipt.
11. As of 8 January 2025, Synology Inc. has an overall rating of 4.7 out of 5 in the Primary Storage Platforms category, based on 232 reviews on Gartner Peer Insights™.
12. Gartner® and Peer Insights™ are trademarks of Gartner, Inc. and/or its affiliates. All rights reserved. Gartner Peer Insights content consists of the opinions of individual end users based on their own experiences, and should not be construed as statements of fact, nor do they represent the views of Gartner or its affiliates. Gartner does not endorse any vendor, product or service depicted in this content nor makes any warranties, expressed or implied, with respect to this content, about its accuracy or completeness, including any warranties of merchantability or fitness for a particular purpose.
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
Yes
Memory
System Memory
2 GB DDR4 non-ECC
Total Memory Slots
1
Maximum Memory Capacity
6 GB (2 GB + 4 GB)
Notes
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
Storage
Drive Bays
4
M.2 Drive Slots
2 (NVMe)
Drive Type
3.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
Hot Swappable Drive*
Yes
Notes
The hot swappable drive feature is not supported by M.2 SSD slots.
Compatible drives are mandatory. Please consult compatibility list from Synology website before purchasing hard drives.
External Ports
RJ-45 1GbE LAN Port
1
RJ-45 2.5GbE LAN Port
1
USB 3.2 Gen 1 Port
2
Notes
MTU value of 1GbE LAN port has a limit of 1500.
Appearance
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
Weight
2.18 kg
Others
System Fan
92 mm x 92 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Brightness Adjustable Front LED Indicators
Yes
Power Recovery
Yes
Noise Level*
21.6 dB(A)
Scheduled Power On / Off
Yes
Wake on LAN / WAN
Yes
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
Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8%.
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)
Relative Humidity
5% to 95% RH
Other
Certification
FCC
CE
BSMI
VCCI
RCM
UKCA
EAC
CCC
KC
BIS
Environment
RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
As an international traveller you are entitled to bring a certain amount/value of goods that are free of Customs duty and exempt Goods and Services tax (GST) into New Zealand. This is called your duty free allowance and personal goods concession. It is important to review these for any purchases you make on The Mall.
Your duty free allowance entitles you to bring into New Zealand the following quantities of alcohol products free of customs duty and GST provided you are over 17 years of age. You do need to be 18 years or over to purchase.
- Up to six bottles (4.5 litres) of wine, champagne, port or sherry or
- Up to twelve cans (4.5 litres) of beer
- And three bottles (or other containers) each containing not more than 1125ml of spirits, liqueur, or other spirituous beverages
Goods other than alcohol and tobacco, whether purchased overseas or purchased duty free in New Zealand, that have a combined total value not exceeding NZ$700 may also be brought as part of your personal goods concession.
When travelling overseas there are legal limits on the amount of duty free alcohol and other goods you can take with you. These amounts will vary depending on the country you are flying into. We always recommend you check the latest limits and exemptions.
Your order can be picked up at an Auckland Airport Collection Point. There is one in departures and one at arrivals in the international terminal. Alternatively, if you are arriving between 11pm and 6am you will be able to collect your order from our lockers. See map
Please bring your order confirmation email and your passport. If you are collecting from lockers you will have been sent an email with your access code, be sure to have this on you in order to collect your order.
If you’re departing Auckland Airport, we recommend that you come to the Auckland Airport Collection Point at least 60 minutes before your flight. If you miss your pickup time or your flight details have changed please let us know as soon as possible.
When you collect your order you will have the opportunity to inspect the items and sign for them.
If you need to return an item, our Collection Point team are there to help you. If you are collecting after hours please return the item to your locker and our team will be in touch as soon as possible. You may also like to view our Returns & refunds which provides information on how this works and outlines the individual retailer's returns and refunds policies.
After Hours Collections
If your order needs to be collected after the Auckland Airport Collection Point desk is closed, your order will be placed in the lockers next to the desk. All the details you will need to collect your order will be provided in your Order Confirmation and Ready to Collect Email.