DiskStation DS1525+ Versatile all-purpose data hubA storage solution that can adapt with your evolving needs5-bay with expansionUp to 300TB of raw storage with expansion unitHigh-speed storageTwo built-in 2.5GbE ports, over 1181/1180 MB/s sequential read/write, and 10GbE optionVersatile applicationsBack up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sitesFast, out-of-the-box performance with customization optionsThe DS1525+ features built-in 2.5GbE networking with 10GbE option 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. Up to 1181/1180 MB/s read/write Up to 10GbE networking Built-in dual 2.5GbE ports 2 x M.2 NVMe cacheExpand capacity for evolving needsConsolidate your data with up to 100 TB of raw storage across 5 bays. Need more space? Add capacity with two DX525 for up to 300 TB of total raw storage. 5 bays 100TB 15 bays 300TBStore, share, and protectManage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.Private cloud for seamless data accessStreamlined file management and collaborationStore, 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 solutionEffortlessly 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 toolsEnhance 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 workflowsNAS-to-NAS synchronizationImprove 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 syncingEmpower 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 providersAutomatically 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 solutionsBack up PCs, smartphones, cloud apps, and moreConsolidate 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 backupsProtect 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 snapshotsSafeguard 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 surveillanceSynology Surveillance StationProtecting 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 cloudSecure 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.Versatile testing platformCreate 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.Centralized monitoring and managementMonitor and manage your Synology fleet from a central interface, on-prem or in the cloud.Central Management SystemManage Synology servers from a central console using group policies, task delegation, batch updates, and more.Active InsightMonitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.Performance backed by Synology drivesDesigned for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.HDD Enterprise Series 3.5" SATA Plus Series 3.5" SATASSD Enterprise Series 2.5" SATA Enterprise Series M.2 NVMe