The Synology DiskStation DS925+ is a high-performance 4-bay NAS (Network Attached Storage) solution designed for small businesses, professional users, and advanced home environments. It provides secure centralized storage, fast networking, backup protection, collaboration tools, virtualization support, and private cloud capabilities through Synology DiskStation Manager (DSM).

With support for 4 SATA drives, 2.5GbE networking, SSD cache, Synology RAID (SHR), Btrfs file system, and expandable storage, the DS925+ is built for reliable data management and demanding workflows.

Key Highlights

• 4-Bay Desktop NAS System
• AMD Ryzen Embedded Processor
• 4GB DDR4 ECC Memory
• Expandable Memory Support
• Dual 2.5GbE Network Ports
• Up to 9-Bay Storage Expansion Support
• PCIe Gen3 Expansion Slot
• M.2 NVMe SSD Cache Support
• Synology Hybrid RAID (SHR)
• Btrfs File System
• Snapshot Technology
• Private Cloud Storage
• Advanced Backup Solutions
• Virtual Machine & Business Application Support

Hardware Specifications

Storage Specifications

Drive Bays

• 4 × SATA Drive Bays

Compatible Drives

• 3.5-inch SATA HDD
• 2.5-inch SATA HDD
• 2.5-inch SATA SSD

Expansion

Supports storage expansion using:

• Synology DX525 Expansion Unit
• Up to 9 drive bays total

RAID Support

Supported RAID configurations:

• Synology Hybrid RAID (SHR)
• RAID 1
• RAID 5
• RAID 6
• RAID 10
• RAID 0
• JBOD
• Basic

Benefits

• Drive failure protection
• Flexible storage management
• Easy capacity expansion
• Optimized data redundancy

Networking

Network Benefits

• Faster file transfer
• Smooth multi-user access
• Efficient collaboration
• High-speed backup workflows

SSD Cache & Expansion

M.2 NVMe SSD Support

• Dual M.2 NVMe SSD slots
• Supports SSD caching

Benefits

• Faster frequently accessed files
• Improved application responsiveness
• Better workload performance

Operating System

Synology DiskStation Manager (DSM)

The DS925+ runs DSM, a powerful NAS operating system.

DSM Features

• Synology Drive
• File Station
• Hyper Backup
• Active Backup Suite
• Snapshot Replication
• Surveillance Station
• Security Advisor
• Package Center

Backup Features

Complete Data Protection

Supports:

• PC backup
• Mac backup
• Server backup
• Virtual machine backup
• Cloud backup
• NAS-to-NAS backup

Compatible with:

• Microsoft 365
• Google Workspace
• Amazon S3
• Dropbox
• Google Drive
• OneDrive

File Sharing & Collaboration

Synology Drive

Features:

• Private cloud access
• File synchronization
• Version history
• Team collaboration
• Remote file sharing

Security Features

Built-in protection:

• AES encryption
• Firewall
• 2-factor authentication
• Security Advisor
• Account protection
• Automatic updates
• Snapshot protection

Virtualization Support

Compatible with:

• VMware vSphere
• Microsoft Hyper-V
• Citrix Hypervisor

Supports:

• Virtual machine storage
• iSCSI targets
• Business applications

Surveillance Features

Supports Synology Surveillance Station:

• IP camera recording
• Live monitoring
• Motion detection
• Video management

Connectivity Ports

File System

Supported:

• Btrfs
• EXT4

Btrfs Advantages

• Snapshot technology
• File recovery
• Data integrity protection
• Advanced storage management

Power & Efficiency

Dimensions & Weight

Package Contents

• Synology DiskStation DS925+
• AC Power Adapter
• Power Cable
• Ethernet Cable
• Drive Bay Accessories
• Quick Installation Guide
• Warranty Documentation

Ideal For

✅ Small business storage
✅ Professional file management
✅ Team collaboration
✅ Private cloud solution
✅ Backup server
✅ Media libraries
✅ Surveillance storage
✅ Virtualization environments

Marketplace Highlights

• 4-Bay NAS Storage Server
• AMD Ryzen Embedded Processor
• 4GB DDR4 ECC Memory
• Dual 2.5GbE Networking
• M.2 NVMe SSD Cache Support
• Synology DSM Platform
• SHR & RAID Data Protection
• Btrfs Snapshot Technology
• Expandable Storage Up to 9 Bays
• Advanced Backup & Collaboration