Brand: Synology | Category: Storage Systems
SKU: SYNO-DX525 | Part #: DX525 | MPN: DX525
Contact for Pricing — Request a Quote
The Synology DX525 5-Bay Expansion Unit from Synology is enterprise-grade Storage Systems hardware built for data centers. The Synology DX525 is a 5-bay desktop expansion unit engineered to extend the raw storage capacity of compatible Synology Plus-series NAS systems released in 2025. Connected via a dedicated expansion interface, the DX525 integrates seamlessly into the host NAS's storage pool, allowing administrators to scale usable capacity without deploying an additional standalone NAS or restructuring existing volume configurations. The enclosure supports 3.5-inch SATA HDDs as well as 2.5-i Available in brand new condition. Synology storage systems products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
| Brand | Synology |
| Category | Storage Systems |
| SKU | SYNO-DX525 |
| Part Number | DX525 |
| Condition | New |
| Manufacturer Part Number | DX525 |
| Product Line | DX Series Expansion Units |
| Form Factor | Desktop |
| Number of Drive Bays | 5 |
| Compatible Drive Types | 3.5-inch SATA HDD, 2.5-inch SATA HDD/SSD |
| Drive Interface | SATA III (6 Gb/s) |
| Host Connection Interface | Synology Expansion Port (proprietary) |
| Compatible Host Systems | Synology 2025 Plus-series NAS (DiskStation DS-series) |
| Maximum Expansion Units per Host | Refer to host NAS specifications for supported expansion unit count |
| Power Supply | Internal power adapter |
| Power Input | AC 100V to 240V, 50/60 Hz |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Fan | 1 x system cooling fan |
| Management | Managed through Synology DiskStation Manager (DSM) on host NAS |
| Dimensions (H x W x D) | Refer to Synology official datasheet for finalized mechanical dimensions |
| Certifications | FCC, CE, BSMI (subject to final regional certification listings) |
the Synology DX525 5-Bay Expansion Unit suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
Key specifications for the Synology DX525 5-Bay Expansion Unit: new condition; manufacturer Synology; manufacturer part number DX525; product line DX Series Expansion Units; form factor Desktop; number of drive bays 5; compatible drive types 3.5-inch SATA HDD, 2.5-inch SATA HDD/SSD. Manufacturer part number DX525. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.