Synology DiskStation DS725+
#4 in NAS · Rated 4.6
Compact 2-bay Plus NAS with expansion; SMB-ready
DS725+ is a compact 2-bay DiskStation Plus model designed for small offices, edge deployments, and home offices that need scalability. It supports a single DX525 expansion unit for up to 7 drives and up to 140 TB raw capacity. It includes dual 2.5 GbE and NVMe slots for caching, plus a PCIe slot to upgrade networking. Running DSM, the DS725+ provides the Synology software stack (Drive, Backup, Surveillance) and robust private cloud capabilities. In 2025 Synology positioned this model as a flexible SMB workhorse with strong upgradability for a growing environment.
Features
- 2 drive bays + DX525 expansion up to 7 bays
- Dual 2.5 GbE ports; optional 10 GbE via PCIe
- Two NVMe slots for cache
- PCIe expansion and DSM software suite
- Private cloud and backup features
Pros
- Excellent SMB-friendly form factor
- Flexible expansion and solid DSM apps
Cons
- Minimum bays can limit capacity for some use cases