DS925+

Versatile 4 Bay Storage Solution with Expandable Capacity

The Synology DS925 is a capable 4-bay NAS solution that can adapt to growing storage demands. With support for up to nine drives with expansion unit1, two M.2 NVMe slots for caching2 and built-in

2.5GbE. Powered by Synology DiskStation Manager DSM , it offers a flexible all-in- one solution for data sharing, synchronization, backup, and surveillance.

Dependable Performance

Up to 522/565 MB/s sequential read/write throughput3 supports stable data transfers

Fast and Flexible Networking

Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy

Versatile Network Storage Leverage built-in file and photo management, data protection,

virtualization, and surveillance solutions

Capacity Expansion

Add 5 extra drive bays for up to 180

TB4 of storage with one DX525 expansion unit1

Extendable Product Support Backed by Synology's 3-year limited

hardware warranty, extendable to 5 years in select markets

Versatile Storage for Any Purpose

The DS925 offers intuitive and comprehensive file management, media organization, and backup options right out of the box. Its capable performance and compact size make it perfect for users with space constraints, including IT enthusiasts, creative professionals, and businesses of all sizes. It is an ideal edge device for branch offices or retail locations for small firms or large enterprises.

 Up to 522 MB/s sequential read and 565 MB/s sequential write performance3 enables fast file sharing, syncing, streaming, and backup for multiple users

 Two 2.5GbE ports offer fast networking, with Link Aggregation supporting failover and load balancing capabilities

 Supports 4 2.5" SATA SSD and 3.5" SATA HDD7. Synology hard drives and SSDs are designed to integrate seamlessly with Synology systems, delivering exceptional reliability

 Expandable to 9 drives with Synology DX525 expansion unit1

 Two built-in M.2 slots provide SSD caching2 capability without occupying drive bays

Ease of Use and Security Features

A suite of convenience and security features, combined with DSM's intuitive UI, ensures a seamless experience for users of all levels of expertise.

 Easily access your system from any web browser via QuickConnect

 Adaptive Multi-Factor Authentication AMFA triggers upon suspicious external logins, providing an additional layer of security

 Improve management efficiency with customizable delegation roles, allowing admins to quickly assign roles to non-admin users while restricting access to critical system settings

 Active Insight, Synology’s cloud-based fleet monitoring solution, leverages machine learning to detect malware and other malicious activity and automatically creates immutable snapshots to protect your data

Built-in Data Protection Solutions

License-free solutions help protect data and configurations on your Synology system, ensure maximum system uptime, and back up and restore all your devices, VMs, and cloud applications.

 Synology Active Backup Suite consolidates backup tasks and offers rapid restoration of Windows and Linux endpoints, VMs, Synology NAS, and SaaS applications

 Hyper Backup backs up your Synology system data to multiple destinations securely and efficiently with integrity checks and powerful deduplication, compression, and versioning options

 Snapshot Replication provides schedulable, near-instantaneous data protection with version control, ensuring that all shared folders and LUNs on your Synology system remain safe and available

 C2 Storage for Hyper Backup offers a dedicated secure public cloud destination for Synology NAS backup data

A Collaboration, Communication, and Organization Hub

Synology provides a private cloud solution for on-site and remote workers, as well as home users, to concurrently edit documents, share files, manage emails, send instant messages, manage photos, and more.

 Synology Drive serves as a centralized hub to keep your files labeled and organized for easy access, offering granular file sharing permissions and customizable security features to ensure file safety

 Synology Photos provides a comprehensive solution for storing, organizing, and sharing photos and videos, with powerful features suitable for both personal and professional use

 Synology Office enables users to collaborate on documents, spreadsheets, and presentation slides in real time, supported by convenient options such as file versioning for easy restoration and password protection

 Synology Chat brings teams together with one-on-one chats, group chats, and encrypted private channels over multiple platforms

 Synology MailPlus10 provides a secure, reliable, and private email server

 Synology Calendar helps teams keep track of priorities with convenient calendar sharing and scheduling

 Synology Hybrid Share enhances multi-site teamwork with a global hybrid cloud file system which combines the scalability of the cloud with the fast local access provided by Synology systems

Private Video Surveillance

Synology Surveillance Station transforms any Synology system into a powerful network video recorder NVR .11

8,700  supported camera models

ONVIF support for a broader selection of cameras Private, subscription-free storage of recordings

Access through web browsers, desktop clients, and mobile apps  Event-based rules to trigger specific actions

 Email, SMS, and push notification options

Simultaneous recording to the cloud with C2 Backup for Surveillance for an extra layer of data protection and more convenient sharing

Notes

   DS925 supports up to 9 drives with a Synology DX525 Expansion Unit, sold separately.

 SSD cache can be enabled by using Synology SAT5200 Series 2.5" SATA SSD drives in standard drive bays or without occupying drive bays by installing Synology SNV5400 Series M.2 NVMe SSD drives through the built-in

M.2 slots. SNV5400 Series M.2 NVMe SSD drives can also be used to create SSD storage pools. Drives are sold separately.

 Performance figures obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.

 Raw capacity. Usable storage capacity may vary depending on drives used and RAID configuration.

 Up to 5 years of warranty are available as an additional bundle with Extended Warranty Plus or Extended Warranty, both 2-year extended warranty service add-ons available in select regions. Check availability for Extended Warranty or Extended Warranty Plus.

 The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.

 Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.

 Synology Active Insight includes three free licenses. Additional licenses can be added with the purchase of an annual subscription.

 C2 Storage for Hyper Backup and Hybrid Share requires purchase of an annual or monthly subscription. A free trial is available for each newly registered device.

 Five MailPlus email accounts are included. Additional email accounts can be added with the purchase of Synology MailPlus License Packs. Learn more

  Surveillance Station includes two free licenses. Connecting more cameras and devices requires additional licenses. Learn more

 C2 Backup for Surveillance requires purchase of an eligible annual subscription. Each additional channel requires a separate subscription. A free trial is available.