Synology DiskStation DS925+ is a modern four-bay NAS appliance designed for home office and small business environments. As an update to its predecessor, it introduces a number of key improvements, including a more powerful quad-core processor and faster multi-gig networking. While it makes a few trade-offs, the DS925+ provides robust data protection and impressive performance, making it a strong contender for businesses in need of reliable and flexible storage.
Table of Contents
🗄️ What are the key hardware upgrades? – Performance and Connectivity
DS925+ is powered by a quad-core 2.2GHz AMD Ryzen V1500B processor and comes with 4GB of DDR4 ECC RAM, which is expandable to 32GB. It is one of Synology’s first desktop NAS appliances to feature dual 2.5GbE multi-gig ports. This provides a significant boost in networking speed, with real-world file copies averaging read and write speeds of 2.3Gbits/sec and 2.1Gbits/sec, respectively. However, it no longer includes the expansion slot for an optional 10GbE card, which was a feature on its predecessor. The appliance also includes two M.2 NVMe SSD slots that can be used for a performance-enhancing cache, which was shown to increase iSCSI write speeds from 0.6Gbits/sec to 3.6Gbits/sec in testing.
🔒 How does it ensure data security? – A Look at Protection Features
Synology’s DSM 7.2 software is a major strength of the DS925+, providing a wealth of data protection and security services.
- It offers full volume and share encryption.
- The WriteOnce feature provides WORM (write once, read many) storage for NAS folders.
- The Snapshot Replication app manages NAS and IP SAN snapshots and provides fast rollback services.
- The Active Backup suite includes apps for securing servers, workstations, virtualized environments, and cloud services like Google Workspace and Microsoft 365.
- The drives are kept updated with the latest firmware via the Storage Manager app.
📝 Key Specifications – A Detailed Breakdown
| Feature | Specification |
| Processor | Quad-core 2.2GHz AMD Ryzen V1500B |
| RAM (expandable to) | 4GB DDR4 ECC (32GB) |
| Drive Bays | 4 x LFF/SFF hot-swap SATA |
| Networking | 2 x 2.5GbE LAN |
| Storage Slots | 2 x M.2 2280 NVMe SSD slots |
| Price | £478 exc VAT (diskless) |
- PC Pro – Issue 372, September 2025
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