Synology DiskStation DS925+ 4-Bay NAS (Diskless)
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DS925+ – 4-Bay Diskless NAS | Powerful & Scalable
Synology DiskStation DS925+ 4-Bay NAS (Diskless)
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DiskStation DS925+ 4-Bay NAS
Synology DS925+ – 4-Bay Diskless NAS | Powerful & Scalable

Synology DiskStation DS925+ 4-Bay NAS (Diskless)

In stock
€561.00
Delivered within 24/48h

The Synology DS925+ is a professional 4-bay diskless NAS for SMBs. It offers 2× 2.5GbE ports, 2 M.2 NVMe slots, and up to 9-drive expansion with DX525.

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Synology DS925+ – 4-bay NAS without disks

📌 General presentation

The Synology DS925+ is a professional 4-bay NAS (without disks), designed for SMBs, IT departments, and demanding environments. It features an AMD Ryzen V1500B processor (4 cores / 8 threads at 2.2 GHz) and 4 GB of DDR4 ECC RAM, expandable up to 32 GB. With a compact and scalable design, it supports up to 9 drives via the Synology DX525 expansion unit (optional).

This model is delivered diskless, offering full flexibility in storage configuration. It supports only Synology-validated drives, ensuring full DSM integration.

🔧 Key features

  • Processor: AMD Ryzen V1500B – 4 cores / 8 threads @ 2.2 GHz

  • RAM: 4 GB DDR4 ECC (expandable to 32 GB)

  • Storage: 4 × SATA bays 3.5″ / 2.5″ (Synology certified HDD or SSD)

  • SSD Cache: 2 × M.2 NVMe 2280 (Synology only)

  • Network: 2 × RJ45 2.5 GbE (Link Aggregation supported)

  • Expansion: Up to 9 drives with DX525 (USB-C)

🔐 Security & reliability

  • AES-NI hardware encryption

  • Btrfs snapshots with instant recovery

  • File integrity verification

  • Network redundancy: Link Aggregation and Failover

  • Compatible with UPS systems: Synology, APC, Eaton

💼 Recommended use cases

  • Centralized backup for workstations and servers

  • Private cloud with Synology Drive and Office

  • Hosting virtual machines and containers

  • IP video surveillance with Surveillance Station

  • Long-term storage with high availability

📦 Box contents

  • 1 × Synology DS925+ NAS (diskless)

  • 1 × 120 W power supply + power cord

  • 2 × RJ45 Cat5e cables

  • Screw kit

  • Quick installation guide (EN / FR)

📊 Technical specifications

Component Detail
Processor AMD Ryzen V1500B – 4 cores @ 2.2 GHz
RAM 4 GB DDR4 ECC (expandable to 32 GB)
Drive bays 4 × SATA 3.5″ / 2.5″
M.2 NVMe 2 × 2280 (cache only)
Network 2 × 2.5 GbE RJ45
USB ports 2 × USB 3.2 Gen 1
Expansion Up to 9 drives with DX525 (USB-C)
Cooling 2 × 92 mm fans (~20.5 dB)
Power supply External 120 W
Dimensions / weight 166 × 199 × 223 mm / ~2.26 kg

🧩 Compatible accessories

  • Synology NVMe SSD SNV3400 / SNV3410

  • DX525 expansion unit

  • HAT5300 / HAT3300 hard drives

  • SATA SSDs SAT5210 / SAT5220

  • Compatible UPS: Synology, APC, Eaton

✅ Warranty & support

  • NAS warranty: 3 years (extendable to 5 years)

  • Professional Synology support via DSM

ℹ️ Drive compatibility

The DS925+ supports only Synology-validated drives (HAT5300, HAT3300, SAT5200, SNV3400…). Using non-validated drives may trigger compatibility warnings or limit certain features.

Model
Synology DiskStation DS925+
CPU type
AMD Ryzen V1500B
Number of CPU sockets
1
Number of Cores / Threads
4C / 4T
CPU frequency
2.2 GHz
Memory capacity
4GB
Memory type
DDR4 ECC SODIMM
Number of memory slots
2 slot
Maximum memory capacity
32 GB (16 GB x 2)
Hardware Encryption Engine (AES-NI)
Oui
Number of disk bays
4
Maximum number of disk bays with extension
4 + 5 (DX525 x 1)
M.2 drive slot
2 (NVMe)
Compatible disc type
2.5" SATA SSD
3.5" SATA HDD
M.2 2280 NVMe SSD
Hotswap disk
Oui
Installed disk capacity
0TB
Disk model installed
None
Disk interface
Serial ATA 6Gb/s (SATA Revision 3)
Supported RAID type
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
SHR
Supported file system
BTRFS
EXT3
EXT4
FAT
HFS+
NTFS
Number of expansion ports
1 port USB Type-C
Scalable
Yes
PCIe Expansion
1 x Gen3 x2
Number of USB Ports
2 x USB 3.2 Gen 1*
Number of network ports
2 x 2.5GbE (RJ45)
Size (Height x Width x Depth)
166 mm x 230 mm x 223 mm
Weight
2.26 kg
Sound level
20.6 dB(A)
Mains input voltage
100V to 240V AC
Power frequency
50/60Hz, single phase
Color
Black
Brand
Synology
DS925+NU
4711174726004
DS925+NU
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