Synology DS225+ – 2-Bay NAS with 2 × HAT5300 4 TB (8 TB)
📌 General presentation
The Synology DS225+ is a 2-bay NAS bundled with 2 Synology HAT5300 4 TB drives, for a total raw capacity of 8 TB.
Designed for small businesses and demanding professional environments, it combines the Intel Celeron J4125 processor with Enterprise-class HAT5300 drives, delivering high performance, exceptional endurance (550 TB/year) and enterprise-grade reliability.
🔧 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 4 TB (8 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 230 MB/s sustained
-
File system: Btrfs with snapshots and integrity protection
🔐 Security & reliability
-
Enterprise HAT5300 Synology-certified drives
-
Endurance: 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
-
Centralized business backups
-
Professional private cloud and collaborative file sharing
-
Hosting of critical applications and lightweight databases
-
IP surveillance with Surveillance Station (up to 25 cameras)
-
Long-term archiving with enterprise-grade reliability
📦 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 Enterprise HDD |
| Installed capacity |
8 TB (2 × HAT5300 4 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