£987.99

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  • Up to 276 MB/s sequential read and 224 MB/s sequential write performance enables fast file sharing, syncing, streaming, and backup for multiple users
  • Includes one 2.5GbE port and one 1GbE port, providing fast networking with failover support
  • Supports 2 2.5" SATA SSD and 3.5" SATA HDD.7 Synology hard drives and SSDs are designed to integrate seamlessly with Synology systems, delivering exceptional reliability
  • Expandable to 7 drives for up to 140 TB of raw storage with Synology DX525 expansion unit1
  • Two built-in M.2 slots provide SSD caching capability without occupying drive bays

Compact and capable storage for home, small business, and edge

Take your data management to the next level
2-bay with expansion
Up to 140 TB of raw storage with expansion unit

High-speed storage
Built-in 2.5GbE port and over 276/224 MB/s sequential read/write

Versatile applications
Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites

2.5GbE connectivity and diverse storage options
The DS725+ 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 as cache.

Expand capacity for evolving needs
Consolidate your data with up to 40 TB of raw storage across 2 bays. Need more space? Add capacity with the DX525 for up to 140 TB of total raw storage.

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.

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.

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.

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.

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.

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

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.

Extra protection with Extended Warranty Plus
Add an additional two years to your standard three-year limited hardware warranty and gain access to premium services that accelerate recovery in the event of a disaster.

Storage
Supported file systems BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4
Hot-swap drive bays Yes
RAID levels 0, 1, 5, 6, 10, JBOD
RAID support Yes
Number of M.2 (M & B) slots 2
Maximum supported storage capacity 140 TB
Storage drive sizes supported 3.5,M.2,2.5
Storage drive size 3.5"
Supported storage drive interfaces M.2, Serial ATA
Storage drive interface Serial ATA III
Supported storage drive types HDD & SSD
Installed storage drive type No
Number of storage drives supported 7
Storage drives installed No
Processor
Processor threads 4
Processor cores 2
Processor boost frequency 3.1 GHz
Processor frequency 2.6 GHz
Processor model R1600
Processor generation AMD Ryzen Embedded R1000 Series
Processor family Ryzen Embedded
Processor manufacturer AMD
Memory
Memory form factor SO-DIMM
ECC Yes
Memory slots 2
Maximum RAM supported 32 GB
Internal memory type DDR4
Internal memory 4 GB
Network
Wake-on-LAN ready Yes
Ethernet LAN data rates 2500 Mbit/s
Ethernet LAN Yes
Ports & interfaces
Expansion ports quantity 1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 1
USB port Yes
Ethernet LAN (RJ-45) ports 2
Design
LED indicators Yes
Drive bay locking Yes
Fan diameter 9.2 cm
Number of fans 1 fan(s)
Product colour Black
Cooling type Active
Performance
On/off switch Yes
Access Control List (ACL) Yes
System log Yes
Web-based management Yes
Snapshot Yes
Noise level 17.9 dB
Number of users 512 user(s)
Multilingual support Yes
Backup features Cloud, iSCSI LUN
Backup function Yes
Device class Home & Home Office
Type NAS
Power
AC input frequency 50 - 60 Hz
AC input voltage 100 - 240 V
Power consumption (HDD standby) 7.87 W
Power consumption (typical) 20.41 W
Power supply unit (PSU) capacity 65 W
Power supply location External
Weight & dimensions
Weight 1.51 kg
Height 166 mm
Depth 223 mm
Width 106 mm
General
Product family DiskStation
Packaging content
Power cables quantity 1
Cables included AC, LAN (RJ-45)
External power adapter Yes
Operational conditions
Storage temperature (T-T) -20 - 60 °C
Storage relative humidity (H-H) 5 - 95%
Operating relative humidity (H-H) 5 - 95%
Operating temperature (T-T) 0 - 40 °C
Other features
Certification FCC,CE,BSMI,VCCI,RCM,UKCA,EAC,CCC,KC,BIS
Compliance certificates RoHS
Warranty period 3 year(s)