Synology DS925+ DiskStation 4-Bay 2.5GbE Tower NAS

Consolidate, Expand, and Protect with High-Speed 2.5GbE Storage

The Synology DS925+ delivers powerful, scalable storage designed for seamless file management, multi-site synchronization, endpoint backup, and smart surveillance — all in a compact 4-bay NAS with built-in 2.5GbE networking.

Highlights

• 4-bay NAS expandable to 9 bays with DX525 expansion unit

• Supports up to 180 TB of raw storage with expansion2

• Dual 2.5GbE ports delivering 522/565 MB/s sequential read/write performance3

• Built-in M.2 NVMe slots for cache acceleration or additional storage pools

• Centralized file storage, sharing, and versioning across sites and devices

• Comprehensive data backup for endpoints, servers, and cloud applications

• Scalable IP camera management for up to 40 devices with Surveillance Station4

• Extendable 3-year warranty with optional 2-year extension

Ideal Use Cases

• Growing Businesses: Centralize file storage, sync across offices, and scale on demand

• Remote & Hybrid Work: Real-time multi-site file syncing and mobile access

• Enterprise IT: Data protection, endpoint backup, and tamper-proof snapshots

• Smart Surveillance: Manage up to 40 IP cameras with flexible cloud and on-prem recording

Key Features

Storage & Expansion

• Bays: 4 x 3.5"/2.5" SATA HDD/SSD bays

• Expansion: Supports DX525 for additional 5 bays (total 9 bays)

• Maximum Raw Capacity: 180 TB with 20 TB drives and expansion2

• M.2 Slots: 2 x M.2 NVMe for cache or storage pool5

Performance

• Network Ports: 2 x 2.5GbE

• Sequential Read/Write: 522 MB/s read, 565 MB/s write3

• Aggregated Link Support: Combine both ports for increased bandwidth

File Management & Cloud Collaboration

• Private Cloud Access: File sharing via desktop, mobile apps, and browsers

• File Versioning: Rollback to previous versions in case of accidental deletions

• Multi-site Sync: Drive ShareSync for automatic site-to-site file updates

• Cloud Integration: Sync with major public cloud providers

Backup & Data Protection

• Endpoint Backup: PCs, Macs, and mobile devices

• SaaS Backup: Microsoft 365, Google Workspace backup

• Immutable Snapshots: Protect against ransomware and accidental deletion

• System Backup: Full Synology NAS backup with Snapshot Replication

Surveillance

• Surveillance Station: Manage, monitor, and archive video from up to 40 IP cameras4

• Smart Event Detection: Motion, people, vehicle recognition

• Dual Recording: Local and cloud storage options available

Management & Monitoring

• Central Management System: Manage multiple Synology NAS devices centrally

• Active Insight: Cloud-based monitoring of device health, performance, and backups9

Hardware & Protection

• Processor: High-performance CPU optimized for storage and surveillance tasks

• RAM: Expandable for heavier multitasking demands

• Build: Compact tower chassis designed for professional installations

• Warranty: 3-year hardware warranty, extendable to 5 years with optional plan10

Summary

The Synology DS925+ is a compact yet powerful NAS built for organizations seeking scalable storage, real-time multi-site collaboration, complete data protection, and professional-grade surveillance management. Powered by 2.5GbE networking, integrated NVMe cache, and extensive Synology software solutions, it is the ultimate platform for modern data-centric businesses, enabling smooth operations whether in a single office or across multiple global locations.

Synology DS925+ DiskStation 4-Bay 2.5GbE Tower NAS

The Synology DS925+ is a powerful and compact 4-bay NAS designed for small offices and power users. Featuring dual 2.5GbE ports, AMD Ryzen CPU, ECC memory support, and expandable storage up to 9 drives, it delivers outstanding performance, reliability, and scalability for modern business needs.

Specifications