Synology DiskStation DS425+ 4-Bay NAS Enclosure, Intel Celeron J4125, 64-bit 2.7 (turbo) GHz, 2 GB DDR4 non-ECC Upto 6 GB (2 GB + 4 GB), 2x NVMe M.2 Slots, RJ-45, USB 3.2

The Synology DiskStation DS425+ serves as a powerful multi-functional desktop server designed to centralize scattered data volumes into a unified, secure storage ecosystem. Tailored specifically for content creators, engineering teams, and small enterprises, this diskless 4-bay tower allows users to maintain absolute ownership over their data files. Its user-friendly architectural footprint ensures effortless deployment on any desktop or tech shelf, making it the perfect local companion for secure network backups and cross-team file collaboration.

Key Features

High-capacity 4-bay hot-swappable storage array natively supporting 3.5-inch SATA mechanical drives and high-speed 2.5-inch internal solid-state drives.

Intel Celeron J4125 quad-core processing platform delivering robust computational power to handle multiple concurrent software applications.

Upgraded next-generation 2.5GbE network interface pipeline to accelerate file transfer speeds across modern high-bandwidth local area networks.

Integrated dual M.2 NVMe SSD expansion slots intended for high-speed storage volume pooling or intelligent cache acceleration without occupying standard drive bays.

Performance / Technology
Equipped with a built-in AES-NI hardware-assisted encryption engine, the core processor secures sensitive file directories while maintaining superior read and write speeds. The device includes 2GB of built-in DDR4 memory, allowing for fluid multitasking across automated backup cycles. By leveraging the advanced M.2 NVMe SSD support, administrators can significantly minimize random storage access latency, enabling multi-user database systems and creative editing applications to operate with near-instantaneous responsiveness.

Design & Ergonomics
The compact desktop tower design features a clean matte black housing that incorporates toolless drive trays for rapid physical drive replacement. Dual high-efficiency rear-facing system fans systematically expel warm air, utilizing smart quiet-cooling profiles to maintain whisper-quiet operation in shared home or studio spaces. Front-facing adjustable LED status bars allow users to rapidly monitor drive states, general system health, and active network link communications at a quick glance.

Compatibility / Use Cases
Operating on the intuitive DiskStation Manager software platform, the device offers effortless cross-platform synchronization across Windows, macOS, and Linux client machines. It serves as an exceptional centralized backup repository, managing automatic snapshots of client computers, virtual environments, and active cloud accounts via the license-free Synology Active Backup software suite. Additionally, the integrated high-speed USB 3.2 connection interfaces support rapid data migrations from legacy external hard drives.

Why This Product Stands Out
While standard network enclosures choke under dense file actions or rely on slow multi-cable setups, this model introduces native 2.5GbE data lanes to unlock modern networking performance. The addition of dedicated internal M.2 NVMe storage layers ensures the desktop system scales beautifully alongside your performance expectations. Supported by the sophisticated Btrfs file system, it provides your workspace infrastructure with automated data self-healing, corruption protection, and efficient point-in-time snapshot recovery to shield against data loss.