Synology DiskStation DS1522+
#3 in Business NAS Servers · Rated 4.5
5-bay scalable NAS with 10GbE option and PCIe expansion
The DS1522+ is a versatile 5-bay Plus-series NAS engineered for growing SMBs that need capacity headroom and easy expansion. It includes PCIe for optional 10GbE networking and M.2 NVMe slots to enable caching or storage pools, delivering responsive file access for multi-user environments. Its feature set includes private cloud integrations via Synology Drive, robust backup options with Active Backup and Hyper Backup, and Surveillance Station for local video management. In addition to standard file services across Windows/Mac/Linux, DS1522+ can serve as edge storage for remote sites and micro-branch deployments. The device differentiates itself with its expandability, DSM stability, and Synology’s ecosystem that emphasizes privacy and on-premises control for SMBs.
Features
- 5 bays with up to 15 bays total using DX517
- PCIe upgrade for 10GbE networking
- M.2 NVMe slots for caching
- Integrated Surveillance Station support
- DS management and private cloud features
Pros
- Excellent expandability for SMB growth
- Solid software stack and backups
- Strong surveillance options
Cons
- Five bays may be limiting for very large deployments
- Networking upgrades add cost