Synology DiskStation DS925+ 4-Bay NAS - AMD Ryzen V1500B 2.2GHz Quad-Core CPU, 4GB RAM, Diskless
Flexible storage for everything from home office to edge
The Synology DS925+ is a capable 4-bay NAS solution that can adapt to growing storage demands. With support for up to nine drives with expansion unit, two M.2 NVMe slots for caching and built-in 2.5GbE. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronisation, backup and surveillance.
Features
- Dependable Performance - Up to 522/565MB/s sequential read/write throughput supports stable data transfers
- Fast and Flexible Networking - Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy
- Versatile Network Storage - Leverage built-in file and photo management, data protection, virtualisation and surveillance solutions
- Capacity Expansion - Add 5× extra drive bays for up to 180TB of storage with one DX525 expansion unit
Specifications
Processor
- CPU Model: AMD Ryzen V1500B
- CPU Architecture: Quad-Core 2.2GHz
- Hardware Encryption Engine: Yes
Memory
- System Memory: 4GB DDR4 ECC SO-DIMM
- Total Slots: 2×
- Maximum Memory Capacity: 32GB (2× 16GB)
Storage
- Drive Bays: 4-Bays (Hot Swappable)
- Compatible Drive Types: 3.5" SATA HDD, 2.5" SATA HDD/SSD
M.2 Slots
- 2× M.2 2280 NVMe SSD Slots (For SSD Cache)
Expansion Unit Support
- 1× DX517 (up to 5× Additional Drives)
- Maximum Total Drive Bays: 9×
External Ports
- 2× USB3.2 Gen1
- 1× Expansion Port (USB Type-C)
Lan
- 2× RJ45 1GbE LAN
- Supports Link Aggregation (Failover / Load Balancing)
File System
- Internal Drives: Btrfs, EXT4, External Drives, Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT
Supported RAID Types
- Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Networking Protocols
- SMB, AFP, NFS, FTP, WebDAV, Rsync
Performance and Features
- SSD Cache Support
- Link Aggregation and Failover Support
- Wake on LAN / WAN
Environment
- Operating Temperature: 0~40°C
- Storage Temperature: -20~60°C
- Relative Humidity: 5~95% RH
- Maximum Operating Altitude: 5,000m
Physical
- Form Factor: Desktop
- Dimensions (H × W × D): 166 × 199 × 223mm
- Weight: Approx. 2.24kg
Power
- AC Input Power Voltage: 100~240V AC
- Power Frequency: 50/60Hz
- Power Consumption (Access): Approx. 25.5W
- Power Consumption (HDD Hibernation): Approx. 10.20W
Safety and Certification
Warranty
- 3-Year Hardware Warranty (Extendable to 5-Years with Extended Warranty Plus)