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 caching 2 and built-in 2.5GbE. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-inone 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 TB of storage with one DX525 expansion unit
• 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 performance 3 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 HDD. Synology hard drives and SSDs are
• designed to integrate seamlessly with Synology systems, delivering exceptional reliability
• Expandable to 9 drives with Synology DX525 expansion unit
• Two built-in M.2 slots provide SSD caching 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, Synologys 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 MailPlus 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).

• 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