DiskStation DS425+
#4 in Home NAS Servers · Rated 4.5
4-bay NAS with 2.5GbE plus NVMe caching for faster workloads.
DS425+ is Synology's compact, four‑bay sibling built for higher throughput and private cloud capabilities. It includes a 2.5GbE port and a 1GbE port, plus NVMe slots for fast caching to accelerate I/O for media libraries and backups. With up to 80 TB raw capacity, it suits households and small teams needing steady performance and reliable backups without a large chassis. The DSM environment provides Synology Drive for private cloud access, Active Backup for multi‑endpoint protection, and Surveillance Station for security deployments. Availability is global via Synology partners.
Features
- 2.5GbE + 1GbE networking
- NVMe SSD caching
- 4 bays with up to 80 TB raw capacity
- DSM with Drive, Backup, Surveillance
- Expansion and virtualization options
Pros
- Strong multi‑use functionality (backup, media, surveillance)
- Good value in a 4‑bay form factor
- Mature DSM ecosystem
Cons
- No native multi‑GbE beyond 2.5GbE
- Expansion limited by DX525 availability