Synology DiskStation DS425+ 4-Bay NAS Enclosure

Synology DiskStation DS425+ 4-Bay NAS Enclosure

The DiskStation DS425+ 4-Bay NAS Enclosure from Synology is a capable performer with tools to help you secure, back up, and sync your data and media. Built-in solutions available in Synology's DiskStation Manager (DSM) OS let users create their own private cloud, organize and stream music, video, and photo collections across all devices, seamlessly collaborate with partners, set up an intuitive surveillance system, and more. The DS425+ is equipped with four drive bays that are capable of natively supporting 3.5" SATA hard drives as well as 2.5" SATA hard drives and SSDs. Performance may be boosted via dual M.2 2280 slots, which may be used to create an NVMe cache.

The DS425+ runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is a 2.0 GHz Intel Celeron J4125 4-Core with a burst frequency of up to 2.7 GHz, and its 2GB of DDR4 RAM, which can be upgraded to 6GB, allows frequently used files and applications to be quickly accessed. Using its 2.5 Gigabit and Gigabit Ethernet ports, which support link aggregation and failover, this NAS is capable of sequential read speeds up to 278 MB/s and sequential write speeds up to 281 MB/s. Also available are two USB-A 3.2 Gen 1 ports.

For those who require RAID support, the DS425+ supports RAID 0 and 1, 5, 6, 10, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized. Operations are kept cool using dual 92mm fans and included is an accessory pack, an AC power adapter, an AC power cord, and two RJ45 LAN cables.

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. Users will experience read speeds of up to 278 MB/s and write speeds of up to 281 MB/s.

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

• iStrealined File Management and Collaboration: Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with versioning.
• 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.
• 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.

Multi-Site Synchronization to Empower Global Workflows

• NAS-to-NAS Synchronization: Improve workflow efficiency and team alignment across data sites with automatic one- or two-way site-to-site syncing. Files and folders are kept up-to-date across sites, so everyone stays aligned, whether at home, in the office, or across different branches—all while maintaining full control of your data.
• 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.

Comprehensive Data Backup, Protection, and Recovery Solutions

• Back Up PCs, Smartphones, Cloud Apps, and More: Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in backup solutions designed to protect your data with seamless 3-2-1 backup configurations.
• 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.
• 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.

Smart Surveillance

• Synology Surveillance Station: Protecting your business has never been easier, with centralized management, support for over 8700 IP camera models, and remote monitoring and playback. Synology's scalable video management system provides all the tools you need for live monitoring, investigation, management, and backup.
• Dual Recording to the Cloud: Secure your surveillance footage with robust cloud backup that supports end-to-end encryption. Synology's 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.

Centralized Monitoring and Management

Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.

Central Management System

Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.

Active Insight

Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.

Performance Backed by Synology Drives

Designed for Synology systems, Synology drives deliver consistent performance and reliability for your deployments.

Extra Protection with Extended Warranty Plus

Add an additional two years to your standard three-year limited hardware warranty and gain access to premium services that accelerate recovery in the event of a disaster.

Technical Specifications:

CPU
CPU Model: Intel Celeron J4125
CPU Quantity: 1
CPU Core: 4
CPU Architecture: 64-bit
CPU Frequency: 2.0 GHz (base) / 2.7 GHz (turbo)
Hardware Encryption Engine: -

Memory
System Memory: 2 GB DDR4 non-ECC
Total Memory Slots: 1
Maximum Memory Capacity: 6 GB (2 GB + 4 GB)
Notes: Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.

Storage
Drive Bays: 4
M.2 Drive Slots: 2 (NVMe)
Drive Type:

• 3.5" SATA HDD

• 2.5" SATA SSD

• M.2 2280 NVMe SSD
  Hot Swappable Drive: -
  Notes: The hot swappable drive feature is not supported by M.2 SSD slots. Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives.

External Ports
RJ-45 1GbE LAN Port: 1
RJ-45 2.5GbE LAN Port: 1
USB 3.2 Gen 1 Port: 2
Notes: This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.

Appearance
Size (H x W x D): 166 mm x 199 mm x 223 mm
Weight: 2.18 kg

Others
System Fan: 92 mm x 92 mm x 2 pcs
Fan Speed Mode: Full-Speed Mode, Cool Mode, Quiet Mode
Brightness Adjustable Front LED Indicators: Yes
Power Recovery: Yes
Noise Level: 21.6 dB(A)
Scheduled Power On / Off: Yes
Wake on LAN / WAN: Yes

Power Supply Unit / Adapter
Power: 90 watts
AC Input Voltage: 100V to 240V AC
Power Frequency: 50/60 Hz, Single Phase
Power Consumption: 28.25 watts (Access), 6.10 watts (HDD Hibernation)
British Thermal Unit: 96.33 BTU/hr (Access), 20.79 BTU/hr (HDD Hibernation)
Notes: Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75ËšC; Humidity: 58.2-61.8%.

Temperature
Operating Temperature: 0°C to 40°C (32°F to 104°F)
Storage Temperature: -20°C to 60°C (-5°F to 140°F)
Operating Humidity: 8% to 80% RH
Storage Humidity: 5% to 95% RH

Certification
FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS

Warranty
Warranty: 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes: The warranty period starts from the purchase date as stated on your purchase receipt. Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania.

Environment
RoHS Compliant

What's in the Box:

• Main Unit x 1
• Accessory Pack x 1
• AC Power Adapter x 1
• AC Power Cord x 1
• RJ-45 LAN Cable x 2