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The Synology DS925+ is the latest 4-bay NAS in Synology’s Plus series, offering a perfect balance between performance, scalability, and reliability for professionals, SMBs, and demanding home users. Engineered with a quad-core AMD Ryzen V1500B processor and 4GB of DDR4 ECC memory, the DS925+ delivers exceptional multi-user performance for file sharing, backup, virtualization, surveillance, and private cloud storage. With dual 2.5GbE LAN ports, M.2 NVMe SSD slots, and support for up to 180 TB of raw storage capacity via expansion, this compact NAS punches well above its weight class.
Designed for modern workloads, the DS925+ supports Synology’s powerful DiskStation Manager (DSM) operating system, offering advanced data protection features such as Btrfs file system with self-healing capabilities, Snapshot Replication, Active Backup for Business, and integration with major virtualization platforms like VMware and Hyper-V. Whether you’re running Docker containers, managing virtual machines, or setting up a hybrid cloud solution, the DS925+ provides the performance and flexibility to grow with your needs.
At the heart of the DS925+ is the AMD Ryzen V1500B, a quad-core 64-bit processor with a base clock of 2.2 GHz. This embedded chip is optimized for low power consumption while maintaining server-class performance, enabling smooth file indexing, concurrent user operations, and application hosting. With 4 threads and AES-NI encryption support, the DS925+ excels at secure data handling without sacrificing speed.
The DS925+ comes with 4 GB of DDR4 ECC (Error-Correcting Code) RAM installed, with support for up to 32 GB via two SODIMM slots. ECC memory is essential for minimizing the risk of data corruption in long-running workloads like virtualization, backups, or database hosting. Users can easily upgrade the memory themselves to match performance requirements.
The unit features 4 hot-swappable 3.5"/2.5" SATA drive bays, supporting up to 80 TB of raw capacity with current 20 TB drives. For accelerated performance, the DS925+ includes two built-in M.2 2280 NVMe SSD slots that can be used for read/write caching. This significantly boosts performance in random I/O operations, making it ideal for hosting frequently accessed files, databases, or virtual machines.
Dual 2.5 Gigabit Ethernet ports provide a combined potential bandwidth of up to 5 Gbps with Link Aggregation. This is a major leap over legacy 1GbE and ideal for modern network environments where faster file transfers and lower latency are expected. Whether it’s a multi-user office, a video editing team, or a media-rich home setup, the DS925+ can handle high-throughput traffic with ease.
As your storage needs grow, so does the DS925+. You can add a 5-bay DX525 expansion unit via a high-speed USB-C interface, increasing total raw capacity up to 180 TB (using 9 x 20 TB drives). This makes it a long-term investment, easily adapting to expanding datasets, backup archives, or multi-project storage.
Powered by DSM 7.2 or later, the DS925+ supports Btrfs, a modern file system designed for data integrity and efficiency. Features like shared folder snapshots, replication scheduling, and file self-healing are built in. Synology’s Hyper Backup allows backup to multiple destinations, including other Synology NAS devices, cloud platforms, and USB drives. Integrated Active Backup for Business helps back up PCs, servers, and virtual machines, offering a centralized, license-free solution.
With its quad-core architecture and ECC RAM, the DS925+ is built for virtualization. Synology’s Virtual Machine Manager allows you to run Windows, Linux, or Virtual DSM instances directly on the NAS. Docker users can deploy containerized apps with Synology’s Container Manager. The hardware is validated to work as an iSCSI target for VMware vSphere, Microsoft Hyper-V, and Citrix XenServer environments.
Turn your NAS into a powerful NVR. The DS925+ supports Surveillance Station and is compatible with hundreds of IP camera models via ONVIF. The system includes 2 free camera licenses and supports additional license packs. With RAID-protected storage, scheduled backups, and real-time alerts, it is a reliable and secure surveillance solution for homes and businesses.
The DS925+ is designed with energy efficiency in mind. With a 90W power adapter and smart fan control, it consumes as little as ~26W in typical operation. The noise level is also low, making it suitable for desktop use in quiet environments like offices or studios.
| CPU | AMD Ryzen V1500B, quad-core, 2.2 GHz |
|---|---|
| Memory | 4 GB DDR4 ECC SODIMM (expandable to 32 GB) |
| Drive Bays | 4 x 3.5"/2.5" SATA HDD/SSD, hot-swappable |
| SSD Cache | 2 x M.2 2280 NVMe SSD slots |
| Expansion | Up to 9 drives with DX525 via USB-C |
| LAN Ports | 2 x 2.5GbE RJ-45, Link Aggregation / Failover |
| USB Ports | 2 x USB 3.2 Gen 1 |
| File System | Btrfs, EXT4 |
| Operating System | Synology DiskStation Manager (DSM) 7.2 or later |
| Virtualization | VMware, Hyper-V, Citrix, Virtual Machine Manager |
| Surveillance | Surveillance Station, 2 camera licenses included |
| Dimensions | 166 mm x 199 mm x 223 mm |
| Weight | 2.2 kg (diskless) |
| Power Supply | 90W external power adapter |
The Synology DS925+ is a smart investment for anyone needing reliable, high-performance network storage. Whether you're a creative professional managing large files, an IT admin setting up business backups, or a tech-savvy user running private cloud apps, this NAS delivers on every front. With its modern specs, expandable architecture, and the powerful DSM ecosystem, the DS925+ is ready for today’s workloads and tomorrow’s growth.
