Synology DS225+ 2-Bay NAS with 2× HAT5300 20 TB (40 TB)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS with 2× HAT5300 20 TB (40 TB)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)
Synology DS225+ 2-Bay NAS Diskless (2.5 GbE)

Synology DS225+ 2-Bay NAS with 2× HAT5300 20 TB (40 TB)

In stock
€2,014.80
VAT included Delivered within 24/48h

DS225+ 2-bay NAS with 2× HAT5300 20 TB (40 TB raw). Intel J4125, 2.5 GbE, Btrfs. Ideal for enterprise backup, private cloud and multimedia.

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Synology DS225+ – 2-Bay NAS with 2 × HAT5300 20 TB (40 TB)

📌 General presentation
The Synology DS225+ is a 2-bay NAS bundled with 2 Synology HAT5300 20 TB drives, providing a total raw capacity of 40 TB, the maximum supported by this model.
Built for enterprises and mission-critical environments, it combines the Intel Celeron J4125 processor with Enterprise-class HAT5300 drives, ensuring extreme endurance (550 TB/year), enterprise-grade reliability and seamless DSM integration.

🔧 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: 2 × HAT5300 20 TB (40 TB raw)

  • Network: 1 × 2.5 GbE + 1 × 1 GbE

  • USB ports: 2 × USB 3.2 Gen 1

  • NAS Performance: up to ~282 MB/s read, 217 MB/s write

  • Drive Performance: up to 274 MB/s sustained

  • File system: Btrfs with snapshots and advanced integrity

🔐 Security & reliability

  • Enterprise HAT5300 Synology-certified drives

  • Workload rating: 550 TB/year

  • MTBF: 2.5 million hours

  • Drive warranty: 5 years

  • Hardware encryption AES-NI

  • Network redundancy (aggregation/failover)

💼 Recommended use cases

  • Large-scale enterprise backup

  • Professional private cloud and collaborative workloads

  • Long-term archiving and heavy databases

  • 4K/8K professional multimedia storage

  • IP surveillance with Surveillance Station (up to 25 cameras)

📦 Box contents

  • 1 × Synology DS225+ NAS

  • 2 × HAT5300 20 TB (pre-installed)

  • 1 × External 60 W PSU + cable

  • 2 × RJ45 Cat5e cables

  • Screw kit

  • Quick installation guide

📊 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)
Drive bays 2 × 3.5″ SATA Enterprise HDD
Installed capacity 40 TB (2 × HAT5300 20 TB)
Max NAS capacity 40 TB (2 × 20 TB)
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
Cooling 1 × 92 mm fan (~19.6 dB)
Power supply External 60 W
Dimensions / weight 165 × 108 × 232.2 mm / ~1.3 kg

✅ Warranty & support

  • NAS: 3 years (extendable to 5 years)

  • HAT5300 drives: 5 years

Model
Synology DiskStation DS225+
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
2
Maximum number of disk bays with extension
2
M.2 drive slot
No
Compatible disc type
2.5" SATA SSD
3.5" SATA HDD
Hotswap disk
Oui
Installed disk capacity
40TB
Disk model installed
Synology HAT5300
Disk interface
Serial ATA 6Gb/s (SATA Revision 3)
Supported RAID type
JBOD
RAID 0
RAID 1
SHR
Supported file system
BTRFS
EXT3
EXT4
FAT
HFS+
NTFS
Number of expansion ports
None
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)
165 mm x 108 mm x 232.7 mm
Weight
1.30 kg
Sound level
19.8 dB(A)
Mains input voltage
100V to 240V AC
Power frequency
50/60Hz, single phase
Color
Black
Brand
Synology
DS225+HAT531040TB
3701446235793
DS225+HAT531040TB
No reviews

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