Synology · NAS / storage
Synology DS925+
4-bay dual-2.5GbE NAS expandable to 9 drive bays
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1 official PDFManufacturer images
GET TO KNOW THIS PRODUCT
Product overview
Synology DS925+ is a 4-bay DiskStation NAS with 2 × 2.5GbE networking for shared files, synchronization and backup. DSM provides storage-pool, user-permission and application management.
At a glance
- ProcessorAMD Ryzen V1500B；4 cores / 8 threads；2.2 GHz
- Memory4 GB DDR4 ECC SODIMM, expandable to 32 GB
- SATA drive bays4 bays for 3.5-inch HDDs / 2.5-inch SSDs
Raw drive capacity is not the usable capacity after RAID. Allow for redundancy, snapshots and growth. Check this model’s compatibility list for HDDs, M.2 SSDs, expansion units and NICs; some application features require licences.
Typical applications
Growing-team file collaboration, endpoint backup and private cloud
Plan your configuration
Share your existing storage, required capacity and backup objectives to check drive compatibility and expansion options.
Technical specifications
Specifications from manufacturer information; confirm regional options against the quoted SKU.
- Processor
- AMD Ryzen V1500B；4 cores / 8 threads；2.2 GHz
- Memory
- 4 GB DDR4 ECC SODIMM, expandable to 32 GB
- SATA drive bays
- 4 bays for 3.5-inch HDDs / 2.5-inch SSDs
- M.2 expansion
- 2 M.2 2280 NVMe SSD slots for cache / storage pools; verify drive compatibility
- Network interfaces
- 2 × 2.5GbE RJ-45
- Storage expansion
- 1 × DX525, up to 9 drive bays; expansion unit sold separately
- Management system
- Synology DiskStation Manager (DSM)
- File systems
- Btrfs / ext4
- USB expansion
- 2 × USB 3.2 Gen 1
- Data protection
- Snapshot features supported; verify package, file system and retention settings
- File access
- SMB / NFS, according to DSM service settings
Additional information checked:
MANUFACTURER DOCUMENTS
Official PDFs & product information
Documents open on the manufacturer’s site in a new tab, in their original language. Family documents may include options not supplied in every configuration.
Sources & review dates
Specification source reviewed: 2026-10-22 · Product page published: 2026-10-23
Additional PDF links checked: 2026-10-26
Additional official PDF · global.synologydownload.comPLAN YOUR PURCHASE
Confirm the configuration before ordering
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