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 Specification Details Product Type 4-Bay NAS Storage System Processor AMD Ryzen Embedded R1600 CPU Architecture 64-bit x86 Processor Cores Dual Core Base Frequency 2.6 GHz Turbo Frequency Up to 3.1 GHz System Memory 4GB DDR4 ECC SODIMM Memory Expansion Up to 32GB (configuration dependent) 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 Specification Details LAN Ports 2 × 2.5GbE RJ-45 Link Aggregation Supported Failover Support Supported File Protocols SMB, AFP, NFS, FTP, WebDAV 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 Port Quantity 2.5GbE RJ-45 2 USB 3.2 Gen 1 2 M.2 NVMe Slots 2 Expansion Port 1 File System Supported: Btrfs EXT4 Btrfs Advantages Snapshot technology File recovery Data integrity protection Advanced storage management Power & Efficiency Feature Details Power Supply External Adapter Cooling Active Cooling Fan Energy Saving Low-power NAS architecture Dimensions & Weight Specification Details Form Factor Desktop Tower NAS Drive Bays 4 Design Compact Business NAS 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