Feature
High-Capacity Expandable Storage: The
Synology DS1825+ comes with 8 drive bays and supports expansion up to 18 bays using two Synology DX525 expansion units, allowing for a raw capacity of up to 360 TB when using 20 TB drives.
Powerful Performance with SSD Caching: Equipped with an AMD Ryzen V1500B quad-core processor and 8 GB DDR4 RAM (expandable to 32 GB), it supports both 2.5"/3.5" SATA HDDs/SSDs and M.2 NVMe SSDs for cache acceleration, delivering sequential read/write speeds up to 2,239/1,573 MB/s.
Advanced Connectivity Options: It features dual built-in 2.5GbE ports and supports optional 10/25GbE network interface cards via a PCIe slot, ensuring fast and scalable network performance for demanding environments.
Comprehensive Data Protection & Management: The DS1825+ supports Synology’s 3-2-1 backup strategy, centralized management tools, and Active Insight for real-time monitoring, making it ideal for business continuity and IT administration.
Versatile Application Ecosystem: It enables multi-endpoint backup, IP camera management (up to 40 channels), and secure file sharing across locations, all managed through Synology’s intuitive DiskStation Manager (DSM) software.
The DS1825+ 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 2280 slots for use as cache. Its support for expansion cards allows configuration flexibility, supporting faster networking of up to 25GbE.
Consolidate your data with large amounts of raw storage across 8 bays. Need more space? Add capacity with two DX525 units.
Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.
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, and more 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.

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. Synology's 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.
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 8700 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
Create a versatile environment for application testing and evaluation, supporting Docker containers and virtual machines. For package and security testing, Virtual DSM acts as a dedicated test environment, ensuring isolation between applications, systems, and data.
Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.
Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.
Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.