Synology DX525 5-Bay Tower Expansion Unit

Effortless Storage Expansion for Growing Demands

Expand your Synology DiskStation’s storage capacity on the fly with the DX525 — a 5-bay expansion unit featuring hot-swap drive support, seamless DSM integration, and reliable backup solutions.

Highlights

• Adds 5 drive bays to compatible Synology DiskStations1

• Supports both 2.5" and 3.5" SATA HDDs and SSDs

• Hot-swappable drive bays enable non-disruptive upgrades

• Plug-and-play installation for immediate online expansion

• Functions as a dedicated local backup volume for system protection

• Managed directly through Synology DiskStation Manager (DSM)

• Includes a 3-year limited warranty with optional extension

Ideal Use Cases

• Business Storage Expansion: Effortlessly scale as your data grows

• Local Backup Solution: Create a dedicated volume for critical system backup

• Surveillance Deployments: Expand archival storage for IP camera footage

• Creative Studios: Add storage for media asset libraries without downtime

Key Features

Storage & Expansion

• Bays: 5 x 3.5"/2.5" SATA HDD or SSD bays

• Compatibility: Supports Enterprise and Plus Series Synology drives1

• Drive Hot-Swap: Supported for seamless maintenance and upgrades

Setup & Management

• Installation: Plug-and-play via direct connection to host NAS

• Online Volume Expansion: New storage immediately available via DSM

• Management: Unified under Synology DiskStation Manager's Storage Manager

Backup & Data Protection

• Dedicated Volume: Option to configure as a separate backup target

• Local Safeguard: Protects data in case of host system failure

Reliability & Protection

• Build: Synology-grade hardware and integration

• Warranty: 3-year hardware warranty, extendable to 5 years with Extended Warranty3

Summary

The Synology DX525 makes storage expansion fast, easy, and non-disruptive, enabling businesses and power users to seamlessly add up to five additional drives to their DiskStation. With hot-swap support, intuitive DSM integration, and the flexibility to serve as a backup destination, it is a must-have for scaling operations, increasing system resilience, and future-proofing your data infrastructure.