Synology DS225+ – 2-Bay NAS with 2 × SAT5210-480G (960 GB)
📌 General presentation
The Synology DS225+ is a 2-bay NAS delivered with 2 Synology SAT5210-480G SSDs, providing 960 GB raw capacity.
This setup combines the Intel Celeron J4125 CPU with Synology-certified Enterprise SSDs, delivering high throughput, low latency, and enterprise reliability — ideal for demanding applications.
🔧 Key features
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Processor: Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)
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RAM: 2 GB DDR4 (expandable up to 6 GB)
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Storage: 2 × SAT5210-480G (960 GB raw)
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Network: 1 × 2.5 GbE + 1 × 1 GbE
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USB ports: 2 × USB 3.2 Gen 1
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SSD Performance: sequential read ~530 MB/s, high sequential write
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Endurance: SAT5210-480G model backed by 5-year warranty
🔐 Security & reliability
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SAT5210-480G Synology-certified Enterprise SSDs
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Power-Loss Protection (PLP)
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High endurance (DWPD ~1.3)
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5-year drive warranty
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Btrfs with snapshots and data integrity protection
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AES-NI hardware encryption
💼 Recommended use cases
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Virtual machines and database workloads
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Fast, secure private cloud deployment
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Applications requiring low latency
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IP surveillance using Surveillance Station
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Fast storage for demanding professional tasks
📦 Box contents
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1 × Synology DS225+ NAS
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2 × SAT5210-480G SSD (pre-installed)
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1 × External 60 W PSU + cable
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2 × RJ45 Cat5e cables
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Screw kit
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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 × 2.5″ SATA Enterprise SSD |
| Installed capacity | 960 GB (2 × SAT5210-480G) |
| Max NAS capacity | 14 TB (2 × SAT5210-7000G) |
| 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 |
- 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
- 960GB
- Disk model installed
- Synology SAT5210
- 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