Synology DS425+ 4-bay Plus DiskStation

Synology DS425+ 4-bay Plus DiskStation with Intel Celeron J4125 quad-core CPU, 2 GB DDR4 SODIMM - 3 Years Local Warranty

High-Performance 4-Bay NAS for Business and Data Management

Synology DS425+ is a powerful 4-bay NAS solution designed for small businesses, professional users, and advanced home environments that require reliable centralized storage, backup, and collaboration capabilities. Built under Synology’s Plus series lineup, it delivers enhanced performance and scalability for demanding workloads.

Intel Quad-Core Processing for Smooth Multitasking

Powered by the Intel Celeron J4125 quad-core processor, the DS425+ provides efficient performance for file sharing, backup, virtualization, and multimedia applications. Paired with 2GB DDR4 SODIMM memory, it ensures stable multitasking and responsive operation for multiple users and services simultaneously.

Advanced Data Protection with Btrfs and Snapshot Technology

The DS425+ supports the Btrfs file system with Snapshot Replication, enabling advanced data integrity checks, versioning, and fast recovery from accidental deletion or ransomware attacks. Synology DSM also provides enterprise-grade backup and disaster recovery tools for enhanced business continuity.

Scalable Private Cloud and Collaboration Platform

Users can create a secure private cloud environment with centralized file management, remote access, and team collaboration features. Integrated Synology applications such as Synology Drive and Active Backup Suite help businesses streamline workflows and protect important company data efficiently.

Technical Specifications

General
Brand: Synology
Model: DS425+
Product Type: 4-Bay Plus Series NAS (Network Attached Storage)
Deployment: SME, branch office, centralized storage, virtualization
Usage Mode: File storage, backup, collaboration, surveillance, private cloud

Processor (CPU)
Processor Model: Intel Celeron J4125
Processor Type: Quad-Core
Processor Speed: 2.0 GHz base / up to 2.7 GHz burst
Architecture: 64-bit x86
Hardware Encryption Engine: Supported

Memory (RAM)
Installed Memory: 2GB DDR4 SODIMM
Memory Slots: 1
Maximum Supported Memory: Expandable (model dependent)
ECC Support: No

Storage & Drive Bays
Drive Bays: 4 × SATA drive bays
Drive Type Support:
• 3.5" SATA HDD
• 2.5" SATA HDD / SSD
RAID Support:
• Synology Hybrid RAID (SHR)
• RAID 0
• RAID 1
• RAID 5
• RAID 6
• RAID 10
• JBOD
• Basic

File System Support
Internal Drives: Btrfs, EXT4
External Drives: EXT4, EXT3, FAT32, NTFS, exFAT, HFS+
Snapshot Replication: Supported via Btrfs

Network & Connectivity
LAN Ports: 2 × Gigabit Ethernet RJ45
USB Ports: 2 × USB 3.2 Gen 1
Link Aggregation: Supported
Failover Support: Supported

Performance
Sequential Read Speed: Up to ~226 MB/s
Sequential Write Speed: Up to ~224 MB/s
Use Case: Centralized storage, backup, virtualization, surveillance

Software & Features
Operating System: Synology DiskStation Manager (DSM)
Backup Features: Hyper Backup, Active Backup Suite
Snapshot Replication: Supported
Cloud Sync: Google Drive, Dropbox, OneDrive support
Virtual Machine Support: Supported
Docker / Container Support: Supported
Remote Access: QuickConnect and mobile app support
Surveillance Station: IP camera management supported

Security
Encryption: Shared folder encryption
Firewall: Built-in DSM firewall
Access Control: User and group permissions
Security Features: HTTPS, 2FA, account protection

Power
Power Supply: External/Internal PSU (varies by region)
AC Input: 100V–240V AC
Energy Saving: HDD hibernation and scheduled power control

Cooling & Acoustics
Cooling Fans: Dual system cooling fans
Noise Level: Quiet 24/7 desktop operation

Physical Specifications
Form Factor: Desktop NAS enclosure
Drive Accessibility: Front-loading drive bays

Package Contents
Synology DS425+ NAS unit
Power adapter / cable
RJ45 Ethernet cable
Quick installation guide

Key Features
Intel Celeron J4125 quad-core processor
4-bay NAS with RAID flexibility
Btrfs file system with Snapshot Replication
Dual Gigabit LAN with failover support
Virtualization and Docker support
Centralized backup and private cloud platform
Synology DSM operating system

Typical Use Cases
SME centralized file server
Department backup and recovery
Private cloud deployment
Virtual machine hosting
Surveillance recording storage
Team collaboration and document sharing