Synology DS225+ – 2-Bay NAS with 2 × HAT3300 16 TB (32 TB)
📌 General presentation
The Synology DS225+ is a compact 2-bay NAS, delivered with 2 Synology HAT3300 16 TB drives, offering a total raw capacity of 32 TB.
Designed for demanding users and small businesses with high storage needs, it combines the Intel Celeron J4125 processor with the robustness of Synology-certified HAT3300 drives, providing reliability, performance and seamless DSM integration.
🔧 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 × HAT3300 16 TB (32 TB raw)
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Network: 1 × 2.5 GbE + 1 × 1 GbE (aggregation and failover)
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USB ports: 2 × USB 3.2 Gen 1
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Performance: up to ~282 MB/s read, 217 MB/s write
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File system: Btrfs with snapshots, instant restore and integrity check
🔐 Security & reliability
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HAT3300 Synology-certified drives, CMR, firmware updates via DSM
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Endurance: annual workload rating 180 TB/year
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MTBF: up to 1 million hours
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Hardware encryption AES-NI
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Network redundancy (aggregation/failover)
💼 Recommended use cases
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Centralized large-scale backup for businesses
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Private cloud and long-term archiving
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4K multimedia storage and large libraries (Plex, Video Station)
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IP surveillance with Surveillance Station (up to 25 cameras)
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Team collaboration with Synology Drive and Office
📦 Box contents
📊 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 HDD / 2.5″ SATA SSD |
| Installed capacity |
32 TB (2 × HAT3300 16 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