Synology DS725+ 2-Bay NAS with 2× 4 TB HAT3300 – 8 TB
📌 Overview
The Synology DS725+ is a compact, professional 2-bay NAS, delivered with 2 preinstalled Synology HAT3300 hard drives of 4 TB each, for a total of 8 TB raw capacity. It is ideal for small businesses, IT teams and professionals looking for a private cloud, reliable backup solution, or a secure media hub.
Powered by an AMD Ryzen R1600 processor (2 cores / 4 threads at 2.6 GHz) and 4 GB of DDR4 ECC memory (expandable up to 32 GB), the DS725+ supports efficient file sharing, automated backups, IP surveillance, and container-based applications.
Included drives: 2 × Synology HAT3300 – 4 TB, 5400 RPM, 256 MB cache. Certified for 24/7 NAS operation and fully integrated with DSM.
🔧 Key features
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CPU: AMD Ryzen R1600 – 2 cores / 4 threads @ 2.6 GHz
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RAM: 4 GB DDR4 ECC (expandable to 32 GB)
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Storage: 2 × 4 TB Synology HAT3300 – preinstalled
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SSD cache: 2 × M.2 NVMe 2280 (Synology SSD only)
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Network: 1 × RJ45 2.5 GbE + 1 × RJ45 1 GbE (link aggregation supported)
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Expansion: Up to 7 drives with DX525 (USB-C)
🔐 Security & reliability
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Hardware encryption AES-NI
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Btrfs file system with snapshot support
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Advanced user and access controls
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SMART monitoring + alerts
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UPS support (APC, Synology UPS)
💼 Recommended use cases
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Compact office NAS for hybrid work
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Private cloud with file sharing and sync
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Local and offsite backups
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IP surveillance (up to 20 cameras)
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Hosting containers, web services, lightweight VMs
📦 What’s in the box
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1 × Synology DS725+ NAS
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2 × 4 TB HAT3300 drives (preinstalled)
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1 × 90 W power adapter + power cable
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2 × RJ45 Cat5e LAN cables
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Screw kit
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Quick install guide (EN / FR)
📊 Technical specs
| Component | Detail |
|---|---|
| CPU | AMD Ryzen R1600 – 2 cores @ 2.6 GHz |
| RAM | 4 GB DDR4 ECC (expandable to 32 GB) |
| Drives | 2 × 4 TB Synology HAT3300 |
| SSD cache | 2 × M.2 NVMe 2280 (Synology only) |
| Network | 1 × 2.5 GbE RJ45 + 1 × 1 GbE RJ45 |
| Expansion | Up to 7 drives via DX525 (USB‑C) |
| USB | 1 × USB 3.2 Gen1 |
| Cooling | 1 × 92 mm (~20.7 dB) |
| Power | External 90 W |
| Dimensions / weight | 166 × 106 × 223 mm / ~1.51 kg |
🧩 Compatible accessories
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SSD NVMe: Synology SNV3400 / SNV3410
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Expansion unit: DX525
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UPS: APC Smart‑UPS, Eaton, Synology UPS
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❌ 10 GbE card not supported
✅ Warranty & support
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NAS: 3-year warranty (extendable to 5)
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HAT3300 drives: 3-year warranty
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Official Synology support via DSM
- Model
- Synology DiskStation DS725+
- CPU type
- AMD Ryzen R1600
- Number of CPU sockets
- 1
- Number of Cores / Threads
- 2C / 4T
- CPU frequency
- 2.6 GHz - Burst 3.1 Ghz
- Memory capacity
- 4GB
- Memory type
- DDR4 ECC SODIMM
- Number of memory slots
- 2 slot
- Maximum memory capacity
- 32 GB (16 GB x 2)
- Hardware Encryption Engine (AES-NI)
- Oui
- Number of disk bays
- 2
- Maximum number of disk bays with extension
- 2 + 5 (DX525 x 1)
- 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
- 8TB
- Disk model installed
- Synology HAT3300
- 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
- 1 port USB Type-C
- Scalable
- Yes
- PCIe Expansion
- None
- Number of USB Ports
- 1 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 106 mm x 223 mm
- Weight
- 1.51 kg
- Sound level
- 17.9 dB(A)
- Mains input voltage
- 100V to 240V AC
- Power frequency
- 50/60Hz, single phase
- Color
- Black
- Brand
- Synology
DS725+HAT33008TB
3701446235427
DS725+HAT33008TB
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