Synology

A storage solution that can adapt with your evolving needs

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5-bay with expansion

Up to 300 TB of raw storage with expansion unit^2,3

High-speed storage

Two built-in 2.5GbE ports, over 1,181/1,180 MB/s sequential read/write⁴, and 10GbE option⁵

Versatile applications

Back up multiple endpoints, manage 40 IP cameras⁶, or safely sync and share files across sites

Fast, out-of-the-box performance with customization options

The DS1525+ features built-in 2.5GbE networking with 10GbE option⁵ 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.^2,7

The DS1525+ achieves up to 696 MB/s read and 862 MB/s write speeds

It supports 10GbE networking

It features two built-in 2.5GbE ports

And supports two M.2 NVMe slots for caching

Expand capacity for evolving needs

Consolidate 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.³

The DS1525+ supports up to 300 TB of raw capacity after expansion when using 20 TB drives

Store, share, and protect

Manage 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 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. Learn more

A private photo storage and management solution

Boost team productivity with collaborative tools

Image showing ways to access your Synology private cloud. Packages shown are Synology Drive, Synology Drive Client, and Synology Drive ShareSync.

Image showing icons of Synology Drive, Office, Drive, MailPlus, Calendar, and Chat

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. Learn more

Cloud-powered multi-site syncing

Sync to public cloud providers

Image showing a Synology system syncing to another Synology system using Drive ShareSync

Diagram showing C2 Storage for Hybrid Share keeping headquarters and multiple branch offices in sync

Cloud Sync is compatible with major public cloud services

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

Tamper-proof protection with immutable snapshots

Backup PCs, servers, and VMs using Active Backup for Business. Backup folders and mobile photos and videos with Synology Drive. Backup Google Workspace with Active Backup for Google Workspace. Backup Microsoft 365 with Active Backup for Microsoft 365.

Hyper Backup can be used to backup Synology systems to various destinations.

Image illustrating snapshots from a Synology system mirrored offsite using Snapshot Replication.

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.⁹Learn more

Dual recording to the cloud

Image illustrating a Synology system as the center of a smart surveillance solution.

Image illustrating a Synology system used as a recording server while simultaneously backing up footage to a secondary or off-site Synology system and to the C2 cloud.

Versatile testing platform

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.¹¹

Learn more

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.¹²

Performance backed by Synology drives

Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.²

HDD

Enterprise Series 3.5″ SATAPlus Series 3.5″ SATA

SSD

Enterprise Series 2.5″ SATAEnterprise Series M.2 NVMe

Hard drives designed for Synology

See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.

Synology DiskStation DS1525+ 5-Bay NAS Enclosure

A storage solution that can adapt with your evolving needs

Fast, out-of-the-box performance with customization options

Expand capacity for evolving needs

Store, share, and protect

Private cloud for seamless data access

Streamlined file management and collaboration

A private photo storage and management solution

Boost team productivity with collaborative tools

Multi-site synchronization to empower global workflows

NAS-to-NAS synchronization

Cloud-powered multi-site syncing

Sync to public cloud providers

Comprehensive data backup, protection, and recovery solutions

Back up PCs, smartphones, cloud apps, and more

Comprehensive and flexible Synology system backups

Tamper-proof protection with immutable snapshots

Smart surveillance

Synology Surveillance Station

Dual recording to the cloud

Versatile testing platform

Centralized monitoring and management

Performance backed by Synology drives

Hard drives designed for Synology

Supercharge your setup with Synology router

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