DiskStation DS425+
Synology DS425+ 4-Bay NAS (Diskless) | Powerful & Reliable Data Storage
A compact storage hub with 100% data ownership
The Synology NAS is a powerful 4-bay storage solution powered by an Intel Celeron J4125 quad-core processor, 2 GB DDR4 memory (expandable to 6 GB), dual LAN ports (1GbE & 2.5GbE), and support for both HDD and NVMe SSD caching. Designed for performance, quiet operation, and energy efficiency, it’s ideal for home and small business data management.
2.5GbE connectivity and diverse storage options
The DS425+ features built-in 2.5GbE networking and supports both SATA SSDs and HDDs in 2.5″/3.5″ internal bays, as well as M.2 NVMe drives via M.2 slots for use cache.2,6
The DS425+ achieves up to 278 MB/s read and 281 MB/s write speeds
It features a built-in 2.5GbE port
And supports two M.2 NVMe slots for caching
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance.
Private cloud for seamless data access
Streamlined file management and collaboration
A private photo storage and management solution
Effortlessly back up and organize photos, videos, and other visual assets using intuitive management tools. Automatically organize your content into albums and create secure share links for stakeholders and teammates. Learn more
Boost team productivity with collaborative tools
Enhance workplace collaboration with Synology’s productivity solutions. Create, edit, and share documents across teams in real time. Host an on-premises mail server to provide web-based email access while maintaining full data ownership. Additionally, stay connected through secure one-on-one chats, public channels, encrypted private channels, and group conversations. Learn more
Multi-site synchronization to empower global workflows
NAS-to-NAS synchronization
Cloud-powered multi-site syncing
Empower global workflows with high-speed access to data from anywhere in your network. Our hybrid cloud solution caches frequently used files locally for rapid access, while less frequently accessed data is stored in the cloud, reducing your on-site storage requirements.
Sync to public cloud providers
Automatically keep data in sync between Synology NAS and major cloud providers, including BackBlaze B2, Dropbox, Google Drive, and Microsoft OneDrive. Multiple protocol support, client-side encryption, and customizable sync and bandwidth controls enable efficient storage management across various platforms. Learn more
Comprehensive data backup, protection, and recovery solutions
Back up PCs, smartphones, cloud apps, and more
Comprehensive and flexible Synology system backups
Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups, including bare-metal backups, to local and remote servers, external drives, or cloud storage destinations, including Synology C2 Storage.Learn more
Tamper-proof protection with immutable snapshots
Safeguard critical LUNs and shared folders with automated immutable snapshots backed by custom retention policies. Built-in support for offsite replication further ensures robust business continuity. Learn more
Smart surveillance
Synology Surveillance Station
Dual recording to the cloud
Secure your surveillance footage with robust cloud backup that supports end-to-end encryption. Our cloud-based surveillance backup solution safeguards your Surveillance Station recordings, allowing you to access, view, share, and download footage through a convenient web portal. Ensure your data remains available even if your on-premises system is compromised.Learn more
Centralized monitoring and management
Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.
Performance backed by Synology drives
Designed for Synology systems, Synology drives deliver consistent performance and unmatched reliability for your deployments.2
Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.
Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.
Extended protection with Extended Warranty
The DS425+ is backed by Synology’s 3-year hardware warranty.11 An optional 2-year extended warranty is available in select regions to extend coverage to 5 years.
Hardware Overview
Compatible Synology Accessories
3.5″ SATA HDD
Plus Series
- HAT3300-2T
- HAT3300-4T
- HAT3300-6T
- HAT3320-8T
- HAT3310-12T
- HAT3310-16T
Enterprise Series
- HAT5320-4T
- HAT5320-8T
- HAT5300-12T
- HAT5300-16T
- HAT5310-20T
2.5″ SATA SSD
Enterprise Series
- SAT5221-480G
- SAT5221-960G
- SAT5221-1920G
- SAT5221-3840G
- SAT5210-7000G
M.2 NVMe SSD
Enterprise Series
- SNV3410-400G
- SNV5420-400G
- SNV5420-800G
- SNV5420-1600G
Memory Modules
- D4NS01-4G
Boost your storage performance with the Synology DS425+ 4-Bay NAS Enclosure (Diskless). Designed for professionals and home users, it delivers powerful data protection, fast transfer speeds, and flexible scalability — perfect for secure cloud and file storage.
Maximize your data performance with the Synology DS425+ NAS Enclosure (Diskless). This advanced 4-bay NAS delivers exceptional speed, reliable protection, and scalable storage for professionals, creators, and small businesses.
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