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Synology DiskStation DS1825+ 8-Bay NAS Enclosure, Diskless

SKU: SYDS1825 MFR: DS1825+
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Key Features

  • Ensure data security with this Synology NAS, featuring robust encryption and access controls.
  • Experience fast performance with the Ryzen CPU, perfect for demanding applications on your NAS.
  • Set up your DiskStation DS1825+ easily with its intuitive interface, even without IT expertise.
  • Utilize reliable backup solutions to protect critical files, ensuring business continuity with this NAS.
  • Access your files remotely from anywhere, keeping you connected to your data with secure NAS access.
  • Expand your storage capacity with 8 bays, scaling up your data as your needs evolve on the NAS.
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Temporarily On Backorder?Expected Availability: 10/2025
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Accidental Damage

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Synology DiskStation DS1825+ Specifications

Hardware: CPU

Hardware: CPU

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  • CPU Model

    AMD Ryzen V1500B

  • CPU Quantity

    1

  • CPU Core

    4

  • CPU Architecture

    64-bit

  • CPU Frequency

    2.2GHz

  • Hardware Encryption Engine

    Yes

Hardware: Memory

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  • System Memory

    8GB DDR4 ECC SODIMM

  • Memory Module Pre-installed

    8GB (8GB x 1)

  • Total Memory Slots

    2

  • Maximum Memory Capacity

    32GB (16GB x 2)

Hardware: Storage

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  • Drive Bays

    8

  • Maximum Drive Bays with Expansion Unit

    18 (DX525 x 2)

  • M.2 Drive Slots

    2 (NVMe)

  • Drive Type

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

  • Hot Swappable Drive

    Yes

Hardware: External Ports

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  • RJ-45 2.5GbE LAN Port

    2x

  • USB 3.2 Gen 1 Port

    3x

  • Expansion Port

    2x

  • Expansion Port Type

    USB Type-C

Hardware: PCIe

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  • PCIe Expansion

    1 x Gen3 x8 slot (x4 link)

Hardware: Others

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  • System Fan

    2x Fan: 120 x 120mm

  • Fan Speed Mode

    Full-Speed Mode
    Cool Mode
    Quiet Mode

  • Easy Replacement System Fan

    Yes

  • Brightness

    Adjustable Front LED Indicators: Yes

  • Power Recovery

    Yes

  • Noise Level

    23.8 dB(A)

  • Scheduled Power On / Off

    Yes

  • Wake on LAN / WAN

    Yes

  • Power Supply Unit / Adapter

    250 watts

  • AC Input Power Voltage

    100V to 240V AC

  • Power Frequency

    50/60 Hz, Single Phase

  • Power Consumption

    60.1 watts (Access)
    18.34 watts (HDD Hibernation)

  • British Thermal Unit

    204.94 BTU/hr (Access)
    62.54 BTU/hr (HDD Hibernation)

Hardware: Temperature

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  • Operating Temperature

    32 Degree F to 104 Degree F (0 Degree C to 40 Degree C)

  • Storage Temperature

    -5 Degree F to 140 Degree F (-20 Degree C to 60 Degree C)

  • Operating Humidity

    8% to 80% RH

  • Storage Humidity

    5% to 95% RH

Hardware: Certification

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  • Certification

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

Hardware: Environment

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  • Environment

    RoHS Compliant

Hardware: Physical

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  • Dimensions (H x W x D)

    6.54 x 13.50 x 9.57" (166 x 343 x 243mm)

  • Weight

    13.23 lbs (6kg)

Software: Storage Management

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  • Maximum Single Volume Size

    200TB (32GB memory required)
    108TB

  • Maximum Internal Volume Number

    32

  • M.2 SSD Storage Pool Support

    Yes

  • SSD Read/Write Cache

    Yes (Determining cache size)

  • SSD TRIM

    Yes

  • Supported RAID Type

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

  • RAID Migration

    Basic to RAID 1
    Basic to RAID 5
    RAID 1 to RAID 5
    RAID 5 to RAID 6

  • Volume Expansion with Larger HDDs

    Synology Hybrid RAID
    RAID 1
    RAID 5
    RAID 6
    RAID 10

  • Volume Expansion by Adding a HDD

    Synology Hybrid RAID
    JBOD
    RAID 5
    RAID 6

  • Global Hot Spare Supported RAID Type

    Synology Hybrid RAID
    RAID 1
    RAID 5
    RAID 6
    RAID 10

Software: File System

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  • Internal Drives

    Btrfs
    ext4

  • External Drives

    Btrfs
    ext4
    ext3
    FAT32
    NTFS
    HFS+
    exFAT

Software: File Services

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  • File Protocol

    SMB
    AFP
    NFS
    FTP
    WebDAV
    Rsync

  • Maximum Number of SMB Connections

    60 (FSCT-Based)

  • Windows Access Control List Integration

    Yes

  • NFS Kerberos Authentication

    Yes

Software: Account & Shared Folder

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  • Maximum Local User Accounts

    1024

  • Maximum Local Groups

    256

  • Maximum Shared Folder

    256

  • Maximum Shared Folder Sync Tasks

    8

Software: Hybrid Share

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  • Hybrid Share Folder Number

    10

Software: Hyper Backup

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  • Data and Folder Backup

    Yes

  • Entire System Backup

    Yes

Software: High Availability

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  • Synology High Availability

    Yes

Software: Log Center

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  • Syslog Events per Second

    1000

Software: Virtualization

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  • VMware ESXi 6.5 and VAAI

    Yes

  • Windows Server 2022

    Yes

  • Citrix Ready

    Yes

  • OpenStack

    Yes

Software: General

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  • Supported Protocols

    SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized 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, Brazilian Portuguese, European Portuguese, Turkish, Czech, Thai, Japanese, Korean, Traditional Chinese, Simplified Chinese

Software: Central Management

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  • Central Management System

    Yes

Software: Synology Chat

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  • Maximum Number of Users

    150

Software: Download Station

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  • Maximum Concurrent Download Tasks

    80

Software: SAN Manager

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  • Maximum iSCSI Target Number

    64

  • Maximum LUN

    128

  • LUN Clone/Snapshot, Windows ODX

    Yes

Software: Synology MailPlus/Server

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  • Free Email Accounts

    5

  • Maximum Number of Users

    120

Software: Media Server

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  • DLNA Compliance

    Yes

Software: Synology Photos

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  • Facial Recognition

    Yes

  • Object Recognition

    Yes

Software: Snapshot Replication

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  • Maximum Snapshots per Shared Folder

    256

  • Maximum of System Snapshots

    4096

Software: Surveillance Station

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  • Default Licenses

    2

  • Maximum IP Cameras &Total FPS (H.264)

    1080p: 40 channels, 1050 FPS
    3M: 40 channels, 600 FPS
    5M: 40 channels, 440 FPS
    4K: 32 channels, 320 FPS

  • Maximum IP Cameras &Total FPS (H.265)

    1080p: 40 channels, 1200 FPS
    3M: 40 channels, 1120 FPS
    5M: 40 channels, 600 FPS
    4K: 40 channels, 480 FPS

Software: Synology Drive

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  • Maximum Number of Users

    100

  • Maximum Number of Hosted Files

    1000000

Software: Synology Office

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  • Maximum Number of Users

    100

Software: Virtual Machine Manager

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  • Recommended Virtual Machine Instances

    8

  • Recommended Virtual DSM Number

    8 (Licenses required)

Software: VPN Server

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  • Maximum Connections

    8

  • UPC Code

    846504006021

About Synology DiskStation DS1825+

High-capacity & versatile storage solution in a desktop form factor

Designed for scalability and performance

8-bay with expansion
Up to 360 TB of raw storage with expansion unit.

High-speed storage
Two built-in 2.5GbE ports, over 2,239/1,573 MB/s sequential read/write, and 10/25 GbE option.

Versatile applications
Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites.

Fast, out-of-the-box performance with 25GbE support
The DS1825+ 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 as cache. Its support for expansion cards allows configuration flexibility, supporting faster networking of up to 25GbE.

Expand capacity for evolving needs
Consolidate your data with up to 160 TB of raw storage across 8 bays. Need more space? Add capacity with two DX525 for up to 360 TB of total raw storage.

Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.

Private cloud for seamless data access

Streamlined 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 Back Blaze 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 8,700 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. 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.

Versatile testing platform
Create a versatile environment for application testing and evaluation, supporting Docker containers and virtual machines. For package and security testing, Virtual DSM acts as a dedicated test environment, ensuring isolation between applications, systems, and data.

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 unmatched reliability for your deployments.

Hard drives designed for Synology
See how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.

Supercharge your setup with Synology router
Pair your NAS with Synology RT6600ax or WRX560 to maximize 2.5GbE connectivity. Enjoy high-speed transfers and secure your network with VLANs, threat prevention, and web filtering - all through a familiar Synology interface.

Trusted by experienced IT professionals
With a 4.7/5 rating and 92% recommendation rate on Gartner in the Primary Storage Platform category, Synology is highly regarded by professionals in the IT industry.

Synology DiskStation DS1825+ Features

  • Streamlined file management and collaboration
  • A private photo storage and management solution
  • Boost team productivity with collaborative tools
  • Cloud-powered multi-site syncing
  • Comprehensive data backup, protection, and recovery solutions
  • Smart surveillance
  • Centralized monitoring and management

Warranty Information

This product has a limited warranty of 36 months.

Key Features

  • Ensure data security with this Synology NAS, featuring robust encryption and access controls.
  • Experience fast performance with the Ryzen CPU, perfect for demanding applications on your NAS.
  • Set up your DiskStation DS1825+ easily with its intuitive interface, even without IT expertise.
  • Utilize reliable backup solutions to protect critical files, ensuring business continuity with this NAS.
  • Access your files remotely from anywhere, keeping you connected to your data with secure NAS access.
  • Expand your storage capacity with 8 bays, scaling up your data as your needs evolve on the NAS.

What's in the box:

  • Synology DiskStation DS1825+ 8-Bay NAS Enclosure
  • AC Power Adapter
  • AC Power Cord
  • 2x RJ-45 LAN Cable
  • Accessory Pack
  • Synology 3 Year Limited Warranty