Synology DS425+ NAS – 4 bays with 4× SAT5210 7 TB (28 TB)
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ NAS – 4 bays with 4× SAT5210 7 TB (28 TB)
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache

Synology DS425+ NAS – 4 bays with 4× SAT5210 7 TB (28 TB)

In stock
€7,675.20
VAT included Delivered within 24/48h

4-bay DS425+ NAS with 4× SAT5210 7 TB SSDs (28 TB raw). Intel Celeron, 2.5 GbE, 2 NVMe slots. Enterprise SSD high-capacity storage. Warranty 3-year NAS / 5-year SSDs.

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Synology DS425+ – 4-Bay NAS with 4 × SAT5210 7 TB (28 TB)

📌 General presentation
The Synology DS425+ is a professional 4-bay NAS, delivered with 4 × Synology SAT5210 7 TB SSDs, for a total raw capacity of 28 TB.
Designed for the most demanding environments, it combines the Intel Celeron J4125 CPU with the performance and endurance of Enterprise SAT5210 SSDs, optimized for 24/7 workloads, ensuring maximum reliability and speed.

🔧 Key features

  • Processor: Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)

  • RAM: 2 GB DDR4 (expandable up to 6 GB)

  • Storage: 4 × SAT5210 7 TB SSDs (28 TB raw)

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

  • Network: 1 × RJ45 2.5 GbE + 1 × RJ45 1 GbE (link aggregation & failover)

  • USB: 2 × USB 3.2 Gen 1

🔐 Security & reliability

  • SAT5210 Synology-certified SSDs, with integrated firmware updates via DSM

  • Hardware encryption AES-NI

  • Btrfs file system with snapshots and instant restore

  • High endurance: up to 1.3 DWPD

  • Network redundancy with Link Aggregation & Failover

  • Compatible with UPS: Synology, APC, Eaton

💼 Recommended use cases

  • Mission-critical databases and high-performance applications

  • Business private cloud with Synology Drive, Office, Photos

  • Hosting VMs and containers with heavy I/O demands

  • 4K/8K multimedia production, editing, and rendering

  • Critical infrastructures requiring maximum reliability and SSD storage capacity

📦 Box contents

  • 1 × Synology DS425+ NAS

  • 4 × Synology SAT5210 7 TB SSDs (pre-installed)

  • 1 × External 90 W PSU + power cord

  • 2 × RJ45 Cat5e cables

  • Screw kit

  • Quick installation guide (EN / FR)

📊 Technical specifications

Component Detail
Processor Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)
RAM 2 GB DDR4 (expandable up to 6 GB)
Installed capacity 28 TB (4 × SAT5210 7 TB)
SSD cache 2 × M.2 NVMe 2280
Network 1 × 2.5 GbE RJ45 + 1 × 1 GbE RJ45
USB ports 2 × USB 3.2 Gen 1
Supported RAID SHR, Basic, JBOD, RAID 0/1/5/6/10
Cooling 2 × 92 mm fans (~19.8 dB)
Power supply External 90 W
Dimensions / weight 166 × 199 × 223 mm / ~2.18 kg

✅ Warranty & support

  • NAS: 3 years (extendable to 5 depending on region)

  • SAT5210 SSDs: 5 years

  • Synology professional support via DSM

ℹ️ Compatibility
Delivered with 4 Synology-certified SAT5210 SSDs.
Using non-certified drives may trigger compatibility warnings or restrict certain features.

Model
Synology DiskStation DS425+
CPU type
Intel® Celeron® J4125
Number of CPU sockets
1
Number of Cores / Threads
4C / 4T
CPU frequency
2.0 GHz - Burst 2.7 Ghz
Memory capacity
2GB
Memory type
DDR4 non-ECC
Number of memory slots
1 slot
Maximum memory capacity
6 GB (2 GB + 4 GB)
Hardware Encryption Engine (AES-NI)
Oui
Number of disk bays
4
Maximum number of disk bays with extension
4
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
28TB
Disk model installed
Synology SAT5210
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
None
Number of USB Ports
2 x USB 3.2 Gen 1*
Number of network ports
1 x 1GbE (RJ45) + 1 x 2.5GbE (RJ45)
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
Weight
2.18 kg
Sound level
21.5 dB(A)
Mains input voltage
100V to 240V AC
Power frequency
50/60Hz, single phase
Color
Black
Brand
Synology
DS425+SAT521028000GB
3701446235656
DS425+SAT521028000GB
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