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Synology DX525 5-Bay Expansion Unit, Diskless
SKU: SYDSDX525 MFR: DX525
Earn VIP Reward PointsKey Features
- Expand your Synology DiskStation with 5 extra drive bays for maximum storage capacity.
- Safeguard crucial data using RAID management via Synology DSM for enhanced data security.
- Enjoy seamless operation; this expansion unit synchronizes power with your Synology DiskStation.
- Supports both 3.5" HDDs and 2.5" SSDs, offering flexibility in your storage drive choices.
- Hot-swappable drive bays allow for easy maintenance without system downtime, boosting uptime.
- Rely on Synology's trusted brand for a dependable expansion solution, backed by a 3-year warranty.
Temporarily On Backorder?Expected Availability: 10/2025
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Available to U.S. customers only.
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About Synology DX525
Expansion Unit DX525
Seamless capacity expansion for Synology DiskStation
Storage expansion without downtime
Easily add five additional drive bays to your Synology DiskStation. The DX525 supports both 2.5" and 3.5" SATA drives and features plug-and-play setup and hot-swap capability for uninterrupted operation during capacity expansion.
Dedicated local backup solution
The Synology DX525 provides a dedicated local backup solution for your Synology DiskStation. When configured as a separate volume, it safeguards data on its local disks in case of system failure.
Online volume expansion
Managed through the host NAS's DiskStation Manager (DSM), the DX525's additional bays are immediately available upon connection. On-the-fly volume expansion ensures uninterrupted service and storage expansion on the host.
Synology DX525 Features
- Capacity Expansion: Add 5 additional 3.5"/2.5" SATA HDD/SSD to your DiskStation
- Fast and Intuitive Setup: Configure new storage in minutes with Synology DSM's unified tools
- Uninterrupted Storage Expansion: Add new volumes or expand current volumes without service interruptions
Warranty Information
This product has a limited warranty of 36 months for parts and 36 months for labor.