Synology DiskStation DS925+ 4-Bay Desktop NAS

The Synology DiskStation DS925+ is a powerful 4-bay Plus Series desktop NAS designed for centralized file storage, backup, business workflows, media access, surveillance storage, and scalable data management.

With an AMD Ryzen V1500B processor, 4GB DDR4 ECC memory, support for up to 32GB memory, 2 x 2.5GbE LAN ports, 2 x USB 3.2 Gen 1 ports, 2 x M.2 NVMe SSD slots, expansion support up to 9 drive bays with DX525, and compatibility with 3.5" SATA HDDs, 2.5" SATA SSDs, and M.2 2280 NVMe SSDs, the DS925+ is built for reliable professional and small business storage.

Product Overview

The Synology DiskStation DS925+ is designed for customers who need a scalable 4-bay NAS solution for centralized file storage, backup, collaboration, surveillance, virtualization support, and business data workflows.

With four drive bays as standard and expansion support for up to nine drive bays when paired with a compatible DX525 expansion unit, the DS925+ gives users room to grow as storage requirements increase.

Powered by an AMD Ryzen V1500B 4-core / 8-thread processor with 2.2GHz CPU frequency, plus 4GB DDR4 ECC SODIMM memory, the DS925+ supports Synology DSM features for storage management, file services, backup, Synology Drive, Synology Photos, Surveillance Station, Synology High Availability, Virtual Machine Manager, and supported business applications.

Key Features

• 4-bay Synology Plus Series desktop NAS
• AMD Ryzen V1500B processor
• 4-core / 8-thread CPU
• 2.2GHz CPU frequency
• 4GB DDR4 ECC SODIMM system memory
• Maximum memory capacity of 32GB with compatible memory expansion
• Hardware encryption engine
• Supports 3.5" SATA HDDs
• Supports 2.5" SATA SSDs
• Supports M.2 2280 NVMe SSDs
• 2 x M.2 NVMe SSD slots
• Supports M.2 SSD storage pools
• Supports SSD read/write cache
• Supports SSD TRIM
• Hot-swappable drive support for main drive bays
• Expands up to 9 drive bays with one DX525 expansion unit
• 2 x RJ-45 2.5GbE LAN ports
• 2 x USB 3.2 Gen 1 ports
• 1 x USB-C expansion port
• Supports Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10
• Supports RAID migration from Basic to RAID 1, Basic to RAID 5, RAID 1 to RAID 5, and RAID 5 to RAID 6
• Maximum single volume size of 108TB, or up to 200TB with 32GB memory
• Compact 166mm x 199mm x 223mm desktop design
• Backed by a 3-year hardware warranty

Recommended Use Cases

• Small business file storage
• Professional file sharing
• Centralized document backup
• Business backup workflows
• Synology Drive file access and synchronization
• Synology Office collaboration
• Synology Photos management
• Surveillance storage
• Virtual Machine Manager workloads
• iSCSI storage
• Shared folder snapshots
• M.2 NVMe storage pools
• SSD cache deployments
• Scalable storage expansion with DX525
• RAID 5, RAID 6, or RAID 10 storage configurations
• Business continuity and data protection workflows

Specifications

• Brand: Synology
• Model: DS925+
• Product Type: 4-Bay Plus Series Desktop NAS
• CPU Model: AMD Ryzen V1500B
• CPU Quantity: 1
• CPU Cores: 4
• CPU Threads: 8
• CPU Architecture: 64-bit
• CPU Frequency: 2.2GHz
• Hardware Encryption Engine: Yes
• System Memory: 4GB DDR4 ECC SODIMM
• Pre-installed Memory: 4GB x 1
• Total Memory Slots: 2
• Maximum Memory Capacity: 32GB
• Drive Bays: 4
• Maximum Drive Bays with Expansion Unit: 9 with DX525 x1
• M.2 Drive Slots: 2 x NVMe
• Compatible Drive Type: 3.5" SATA HDD
• Compatible Drive Type: 2.5" SATA SSD
• Compatible Drive Type: M.2 2280 NVMe SSD
• Hot Swappable Drive: Yes for main drive bays
• LAN Port: 2 x RJ-45 2.5GbE
• USB Ports: 2 x USB 3.2 Gen 1
• Expansion Port: 1
• Expansion Port Type: USB Type-C
• Size: 166mm x 199mm x 223mm
• Weight: 2.26kg
• System Fan: 92mm x 92mm x 2
• Fan Speed Modes: Full-Speed Mode, Cool Mode, Quiet Mode
• Adjustable Front LED Indicators: Yes
• Power Recovery: Yes
• Scheduled Power On / Off: Yes
• Wake on LAN / WAN: Yes
• Noise Level: 20.5 dB(A)
• Power Supply Unit / Adapter: 100W / 120W
• AC Input Power Voltage: 100V to 240V AC
• Power Frequency: 50/60Hz, Single Phase
• Power Consumption: 37.91W during access
• Power Consumption: 12.33W during HDD hibernation
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 60°C
• Operating Humidity: 8% to 80% RH
• Storage Humidity: 5% to 95% RH
• Certification: FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS
• Environment: RoHS Compliant
• Warranty: 3-Year Hardware Warranty

Performance and Reliability Features

• 4-bay Plus Series NAS designed for professional and small business storage workflows
• AMD Ryzen V1500B 4-core / 8-thread processor for supported DSM business workloads
• 4GB DDR4 ECC SODIMM memory for enhanced data integrity
• Supports memory expansion up to 32GB using compatible Synology memory
• Hardware encryption engine support
• Supports 3.5" SATA HDDs and 2.5" SATA SSDs
• Supports M.2 2280 NVMe SSDs for storage pools or SSD cache
• M.2 SSD storage pool support with Synology-verified SSDs
• SSD read/write cache support
• SSD TRIM support
• Hot-swappable main drive bays for easier drive maintenance
• Expansion support up to 9 drive bays with compatible DX525 expansion unit
• Dual 2.5GbE LAN connectivity for faster network access
• USB Type-C expansion port for compatible expansion unit connection
• Supports Btrfs and ext4 file systems on internal drives
• Supports Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10
• Supports RAID migration from Basic to RAID 1, Basic to RAID 5, RAID 1 to RAID 5, and RAID 5 to RAID 6
• Supports volume expansion with larger HDDs
• Supports volume expansion by adding a HDD for Synology Hybrid RAID, JBOD, RAID 5, and RAID 6 with expansion unit
• Supports global hot spare for Synology Hybrid RAID, RAID 1, RAID 5, RAID 6 with expansion unit, and RAID 10 with expansion unit
• Supports DSM file services including SMB, AFP, NFS, FTP, WebDAV, and Rsync
• Supports Synology High Availability
• Supports Synology Photos facial recognition and object recognition
• Supports Synology Drive for file access and synchronization
• Supports Synology Office collaboration workflows
• Supports Virtual Machine Manager with recommended virtual machine instances
• Includes 2 default Surveillance Station licenses
• 3-year warranty support

Compatibility Note

Please check that your selected hard drives, SSDs, M.2 NVMe SSDs, memory upgrades, and expansion units are compatible with the Synology DS925+ before ordering.

This NAS supports 3.5" SATA HDDs, 2.5" SATA SSDs, and M.2 2280 NVMe SSDs. Storage drives, M.2 SSDs, memory upgrades, and expansion units are not included unless specifically stated by the seller.

For memory expansion, please use compatible Synology memory modules for optimum compatibility and reliability. For multi-module memory configurations, all modules must be identical and share the same model number.

Before ordering, please confirm:

• Your selected drives are compatible with the Synology DS925+
• Your selected M.2 NVMe SSDs are compatible with the Synology DS925+
• Your selected memory modules are compatible with the Synology DS925+
• Your selected expansion unit is compatible with the Synology DS925+
• Your required storage capacity matches your intended use
• Your intended RAID, file system, backup, or storage setup
• Your network and device compatibility requirements
• Your intended DSM package and workload requirements
• Whether multiple drives are required for your intended RAID configuration

What’s in the Box

• Synology DS925+ main unit x1
• Accessory pack x1
• AC power adapter x1
• AC power cord x1
• RJ-45 LAN cable x2