Synology DS425+ 4-Bay NAS Enclosure

  • Part Number: DS425+
  • Manufacturer: Synology
  • Quickfind Code: 603074
  • Stock: Out Stock

£576.61 ex. vat
£691.93 inc. vat

Product Features:
  • Condition:
  • Capacity Diskless
  • Number of Bays 4
  • Main Colour Black
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Product Description

Synology DS425+ 4-Bay NAS Enclosure

The Synology DS425+ 4-Bay NAS Enclosure delivers powerful functionality in a compact 4-bay, desktop friendly design. With built-in 2.5GbE networking, the DS425+ provides excellent network speeds straight out of the box. Additionally, the DS425+ is powered by Synology DiskStation Manager (DSM), serving as a versatile all-in-one solution for data sharing, synchronisation, backup, and surveillance.

Key Features

  • Capable Performance
    Up to 278/281 MB/s sequential read/write throughput supports stable data transfers.
  • Fast Networking
    Built-in 2.5GbE port for fast connectivity out of the box.
  • Versatile Network Storage
    Leverage built-in file and photo management, data protection, and surveillance solutions.
  • Centralised Data Storage
    Store up to 80 TB of data in one place, maintain 100% data ownership, and enjoy multi-platform access.
  • Extendable Product Support
    Backed by Synology's 3-year limited hardware warranty.

A Compact and Capable Storage Platform

The DS425+ provides intuitive and comprehensive file management, media organisation, and backup capabilities. Its capable performance and compact size make it perfect for users with space constraints, including IT enthusiasts, creative professionals, and businesses of all sizes. It is an ideal edge device for branch offices or retail locations for small firms or large enterprises.

  • Includes one (1) 2.5GbE port and one (1) 1GbE port, providing fast networking with failover support.
  • Supports four (4) 2.5" SATA SSDs and 3.5" SATA HDDs. Synology hard drives and SSDs are designed to integrate seamlessly with Synology systems, delivering exceptional reliability.
  • Two built-in M.2 slots provide SSD caching without occupying drive bays.

Ease of Use and Security Features

A suite of convenience and security features, combined with DSM's intuitive UI, ensures a seamless experience for users of all levels of expertise.

  • Easily access the DS425+ from any web browser via QuickConnect.
  • Adaptive Multi-Factor Authentication (AMFA) triggers upon suspicious external logins, providing an additional layer of security.
  • Improve management efficiency with customisable delegation roles, allowing admins to quickly assign roles to non-admin users while restricting access to critical system settings.
  • Active Insight, Synology’s cloud-based fleet monitoring solution, leverages machine learning to detect malware and other malicious activity and automatically creates immutable snapshots to protect your data.

Built-in Data Protection Solutions

Licence-free solutions help protect data and configurations on your DS425+, ensure maximum system uptime, and back up and restore all your devices, virtual machines (VMs), and cloud applications.

  • Synology Active Backup Suite consolidates backup tasks and offers rapid restoration of Windows and Linux endpoints, VMs, Synology NAS, and SaaS applications.
  • Hyper Backup backs up your DS425+'s data to multiple destinations securely and efficiently with integrity checks and powerful deduplication, compression, and versioning options.
  • Snapshot Replication provides schedulable, near-instantaneous data protection with version control, ensuring that all shared folders and LUNs on your DS425+ remain safe and available.
  • C2 Storage for Hyper Backup offers a dedicated secure public cloud destination for Synology NAS backup data.

A Collaboration, Communication, and Organisation Hub

Synology provides a private cloud solution for on-site and remote workers, as well as home users, to concurrently edit documents, share files, manage emails, send instant messages, manage photos, and more.

  • Synology Drive serves as a centralised hub to keep your files labelled and organised for easy access, offering granular file sharing permissions and customisable security features to ensure file safety.
  • Synology Photos provides a comprehensive solution for storing, organising, and sharing photos and videos, with powerful features suitable for both personal and professional use.
  • Synology Office enables users to collaborate on documents, spreadsheets, and presentation slides in real time, supported by convenient options such as file versioning for easy restoration and password protection.
  • Synology Chat brings teams together with one-on-one chats, group chats, and encrypted private channels over multiple platforms.
  • Synology MailPlus provides a secure, reliable, and private email server.
  • Synology Calendar helps teams keep track of priorities with convenient calendar sharing and scheduling.
  • Synology Hybrid Share enhances multi-site teamwork with a global hybrid cloud file system which combines the scalability of the cloud with the fast local access provided by Synology systems.

Private Video Surveillance

Synology Surveillance Station transforms any Synology system into a powerful network video recorder (NVR).

  • 8,700 supported camera models.
  • ONVIF support for a broader selection of cameras.
  • Private, subscription-free storage of recordings.
  • Access through web browsers, desktop clients, and mobile apps.
  • Event-based rules to trigger specific actions.
  • Email, SMS, and push notification options.
  • Simultaneous recording to the cloud with C2 Backup for Surveillance for an extra layer of data protection and more convenient sharing.
Technical Specification

Synology DS425+ 4-Bay NAS Enclosure

Specifications

CPU

CPU Model

  • Intel Celeron J4125

CPU Quantity

  • 1

CPU Architecture

  • 64-bit

CPU Frequency

  • 2.0 (base) / 2.7 (turbo) GHz

Hardware Encryption Engine

  • Yes

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. Rest assured that the 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

Drive Type

  • 3.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD

Hot Swappable Drive

  • Yes

Notes

  • Compatible drives are mandatory. Please check compatibility before purchasing hard drives.

External Ports

RJ-45 1GbE LAN Port

  • 1

RJ45 2.5GbE LAN Port

  • 1

USB 3.2 Gen 1 Port

  • 2

Appearance

Size (Height x Width x Depth)

  • 166 mm x 199 mm x 223 mm

Weight

  • 2.18 kg

Others

System Fan

  • 92 mm x 92 mm x 25mm x 2 pcs

AC Input Power Voltage

  • 100V to 240V AC

Power Frequency

  • 50/60 Hz, Single Phase

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)

Relative Humidity

  • 5% to 95% RH

Maximum Operating Altitude

  • 5,000m

General DSM Specifications

Storage Management

Maximum Single Volume Size

  • 108 TB

Maximum Internal Volume Number

  • 32

SSD Read/Write Cache

  • Yes

Supported RAID Type

  • Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Notes

  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the file system and the amount of system metadata stored.
  • Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.

File System

Internal Drives

  • Btrfs, ext4

External Drives

  • Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT

File Services

File Protocol

  • SMB, AFP, NFS, FTP, WebDAV, Rsync

Maximum Number of SMB Connections FSCT-Based) with RAM Expansion

  • 10

Windows Access Control List (ACL) Integration

  • Yes

NFS Kerberos Authentication

  • Yes

Account & Shared Folder

Maximum Local User Accounts

  • 512

Maximum Local Groups

  • 128

Maximum Shared Folder

  • 128

Maximum Shared Folder Sync Tasks

  • 4

Virtualisation

VMware ESXi 6.5 and VAAI

  • Yes

Windows Server 2022

  • Yes

Citrix Ready

  • Yes

OpenStack

  • Yes

Security

Security

  • Firewall, encryption shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customisable cipher suite)

General Specifications

Supported Protocols

  • SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberised sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV

Supported Browsers

  • Chrome, Firefox, Edge, Safari

Supported Language

  • English
  • German
  • French
  • Italian
  • Spanish
  • Danish
  • Norwegian
  • Swedish
  • Dutch
  • Russian
  • Polish
  • Hungarian
  • Portuguese (Brazil)
  • Portuguese (Europe)
  • Turkish
  • Czech
  • Thai
  • Japanese
  • Korean
  • Chinese (Traditional)
  • Chinese (Simplified)

Packages and Applications

Synology Drive

  • Synchronises files across Windows, macOS, Linux, Android and iOS. The built-in cross-platform portal allows access to data anytime and anywhere

Maximum Number of Users

  • 20

Maximum Number of Hosted Files

  • 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)

File Station

  • Provides virtual drives, remote folders, Windows ACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs

Hybrid Share

  • Efficiently synchronises files across sites by keeping shared data on Synology C2 Storage and streaming files to Synology NAS worldwide on request. Frequently requested files are cached at each site for low-latency access C2 Storage for Hyper Backup and Hybrid Share requires purchase of an annual or monthly subscription. A free trial is available for each newly registered device.

SAN Manager

  • Maximum iSCSI Target Number: 2
  • Maximum LUN: 2
  • LUN Clone/Snapshot, Windows ODX: Yes

Virtual Machine Manager

  • Recommended Virtual Machine Instances: 2
  • Recommended Virtual DSM Number: 2 (including 1 free licence)

Hyper Backup

  • Supports local backup, network backup, and data backup to other servers and public clouds, including C2 Storage

Snapshot Replication

  • Maximum Snapshots per Shared Folder: 128
  • Maximum of System Snapshots: 256

Synology High Availability

  • Reduces service downtime by combining two identical NAS into a high-availability cluster

Synology Chat

  • Maximum Number of Users: 100

Synology Office

  • Maximum Number of Users: 20

Synology MailPlus / MailPlus Server

  • A secure, reliable, and private mail solution featuring high-availability, load balancing, security, and filtering options
  • Free Email Accounts: 5 (additional accounts require purchase of licences)
  • Maximum Number of Users : 20

Surveillance Station

  • Default Licences: 2 (additional cameras require purchase of licences)
  • Suggested Maximum IP Cameras and Total FPS (H.264):
    • 1080p: 40 channels, 800 FPS
    • 3M: 35 channels, 350 FPS
    • 5M: 28 channels, 280 FPS
    • 4K: 17 channels, 170 FPS
  • Suggested Maximum IP Cameras and Total FPS (H.265)
    • 1080p: 40 channels, 1200 FPS
    • 3M: 40 channels, 600 FPS
    • 5M: 40 channels, 480 FPS
    • 4K: 20 channels, 200 FPS

Central Management System

  • Provides a single interface to manage and monitor multiple Synology NAS

VPN Server

  • Maximum Connections: 4

Other packages

  • Additional 3rd-party packages are available in the Package Centre

Environment & Packaging

Environment safety

  • RoHS Compliant

Package Contents

  • 1 x DS425+ 4-Bay NAS
  • 1 x Accessory Pack:
    • 2 x Hard Drive Tray Keys
    • 18 x Screws for 2.5" Drives
  • 1 x AC Power Adapter
  • 1 x AC Power Cord
  • 2 x RJ45 LAN Cable

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