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Synology DS224+ 2-Bay NAS Enclosure


The Synology DS224+ is a compact 2-Bay NAS solution designed to bring centralised data management to small organisations and teams. Synology DiskStation Manager (DSM) supports creating a private cloud to make working together better for everyone. It features tools to manage, share, and protect files and photos, back up devices and data, and manage surveillance recordings.

Key Features

  • Capacity
    Un-populated two (2) bay network attached NAS storage device.
  • Centralised Data Storage
    Consolidate all your data for complete data ownership and multi-platform access.
  • Sharing and Syncing Across Systems
    Access, share, and sync data across different systems and devices using intuitive controls.
  • Powerful Backup and Restoration
    Back up and restore critical devices and data using a host of intuitive backup tools.
  • Built-in Data Management Tools
    Leverage built-in file and photo management, data protection, and video surveillance solutions.

Keep your data on-site

  • Consolidate and safeguard
    Protect all your data with integrated security features and centralised access.
  • Manage important data
    Share, back up, and access files, photos, surveillance video, and more.
  • Minimise energy impact
    15 watts under full operation keeps operating costs low.

Simply faster

The DS224+ is faster at indexing files in Synology Drive and Synology Photos and more capable of running demanding web applications compared to previous-generation systems.

Store, share, and protect

Manage all your documents, images, and other files, back up applications and devices, and protect your property with professional video surveillance.

Private cloud for data sharing

  • Hybrid work in the private cloud
    Store, sync, access, and share data from any device, wherever you are. Work together seamlessly across different platforms, accessing files through mobile apps, desktop clients, or a browser-based interface. Quickly and easily roll back files in case of unwanted deletion or modification thanks to smart versioning.
  • Keep your photos organised
    Effortlessly back up and organise photos, videos, and other visual assets using intuitive management tools. Automatically organise your content into albums and create secure share links for stakeholders and teammates.
  • Synchronise data between sites
    Work together with minimal slowdown using site-to-site file syncing, which can be configured to automatically synchronise individual files or folders between Synology devices, allowing seamless file access from local devices.
  • Manage data with the power of the cloud
    Reduce your on-site storage footprint and benefit from data centre network speeds with hybrid cloud technology. Synology Hybrid Share adds automatic cloud tiering, keeping the bulk of data in the cloud, while caching frequently accessed files cached locally on your DS224+ for fast access at LAN speeds.

Multi-layered backup

  • Back up workstations, smartphones, cloud apps, and more
    Consolidate and automate backup tasks for workstations, file servers, VMs, SaaS applications, and more with Active Backup Suite. Administer device backups remotely through a centralised portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in remote backup solutions designed to protect your data with seamless 3-2-1 backup configurations.
  • Perform full Synology system backups
    Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups to local and remote servers, external drives, or cloud storage destinations including Synology C2 Storage.
  • Protect folders and LUNs with snapshots
    Configure efficient point-in-time snapshots of shared folders and LUNs at intervals as short as 5 minutes. Let users easily restore previous versions of files unassisted, quickly recover VMs, and copy snapshots to another server to benefit from rapid storage failover. Further safeguard data integrity with immutable snapshots.

Smart surveillance management

  • Synology Surveillance Station
    Protecting your business has never been easier, with centralised management, support for over 8,300 IP camera models, and remote monitoring and playback. Synology’s video management system provides all the tools you need for live monitoring, investigation, management, and backup.
  • Dual recording to the cloud
    C2 Surveillance allows you to keep access to surveillance footage if your recording server is disabled by recording to your local server as well as the C2 cloud. End-to-end encryption protects streams against unauthorised access while low latency recording lets you review the crucial last few seconds before the recording server was lost.

Btrfs: advanced file system for data protection

The Synology DiskStation Manager (DSM) operating system that powers the DS224+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for the reversal of unintended or malicious changes through the use of snapshot technology.

Performance backed by Synology drives

Leverage high sustained performance and reliability with well-engineered drives designed specially for Synology systems (sold separately, see accessories tab).

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CPU Model

  • Intel Celeron J4125

CPU Quantity

  • 1

CPU Architecture

  • 64-bit

CPU Frequency

  • 4-core 2.0 (base) / 2.7 (burst) GHz

Hardware Encryption Engine (AES-NI)

  • Yes


System Memory

  • 2 GB DDR4 non-ECC

Total Memory Slots

  • 1

Maximum Memory Capacity

  • 6 GB (2 GB + 4 GB)


  • 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.


Drive Bays

  • 2 (un-populated)

Compatible Drive Type

  • 3.5″ SATA HDD
  • 2.5″ SATA SSD

Hot Swappable Drive

  • Yes


  • “Compatible drive type” indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

External Ports

RJ45 1GbE LAN Port

  • 2 (with Link Aggregation / Failover support)

USB 3.2 Gen 1 Port

  • 2

USB Copy

  • Yes


  • This device’s 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
  • The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

File System

  • Internal Drives
  • Btrfs
  • EXT4

External Drives

  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT


Dimensions (H x W x D)

  • 165 x 108 x 232.2 mm


  • 1.30 kg


System Fan

  • 92 mm x 92 mm x 1 pcs

Fan Speed Mode

  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode

Brightness Adjustable Front LED Indicators

  • Yes

Power Recovery

  • Yes

Noise Level

  • 22 dB(A)

Scheduled Power On / Off

  • Yes

Wake on LAN / WAN

  • Yes

Power Supply Unit / Adapter

  • 60 W

AC Input Power Voltage

  • 100V to 240V AC

Power Frequency

  • 50/60 Hz, Single Phase

Power Consumption

  • 14.69 W (Access)
  • 4.41 W (HDD Hibernation)

British Thermal Unit

  • 50.09 BTU/hr (Access)
  • 15.04 BTU/hr (HDD Hibernation)


  • For more information on how power consumption is measured, refer to this article.
  • Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49 – 17.51 dB(A); Temperature: 24.25°C – 25.75°C; Humidity: 58.2% – 61.8%


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



  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • CCC
  • KC


RoHS Compliant

  • Yes

Software Specifications

DSM Specifications

Storage Management

Maximum Single Volume Size

  • 108 TB

Maximum Internal Volume Number

  • 64


  • Yes

Supported RAID Type

  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1

RAID Migration

  • Basic to RAID 1

Volume Expansion with Larger HDDs

  • Synology Hybrid RAID
  • RAID 1

Volume Expansion by Adding a HDD

  • Synology Hybrid RAID


  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem 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 Services

File Protocol


Maximum Concurrent SMB/AFP/FTP Connections

  • 500

Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)

  • 1,500

Windows Access Control List (ACL) Integration

  • Yes

NFS Kerberos Authentication

  • Yes


  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.

Account & Shared Folder

Maximum Local User Accounts

  • 2,048

Maximum Local Groups

  • 256

Maximum Shared Folder

  • 256

Maximum Shared Folder Sync Tasks

  • 8

Hybrid Share

Hybrid Share Folder Number

  • 10

Hyper Backup

Data & Folder Backup

  • Yes

Entire System Backup

  • Yes


  • Full-system backup requires DSM 7.2 or later.

High Availability

Synology High Availability

  • Yes

Log Centre

Syslog Events per Second

  • 800

General Specifications

Networking Protocols

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

Supported Browsers

  • Google Chrome
  • Firefox
  • Microsoft 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)


  • For an updated list of supported browser versions, check the DSM Technical Specifications on Synology’s website.

Add-on Packages

Antivirus by McAfee (Trial)

  • Yes

Central Management System

  • Yes

Synology Chat

Maximum Number of Concurrent Users

  • 100


  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections.

Document Viewer

  • Yes

Download Station

Maximum Concurrent Download Tasks

  • 80

SAN Manager

Maximum iSCSI Target Number

  • 128

Maximum LUN

  • 256

LUN Clone/Snapshot, Windows ODX

  • Yes

Synology MailPlus / MailPlus Server

Free Email Accounts

  • 5 (licences required for additional accounts)

Maximum Number of Concurrent Users

  • 100

Maximum Server Performance

  • 1,224,000 emails per day, approx. 37GB


  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronisation between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).

Media Server

DLNA Compliance

  • Yes

Synology Photos

Facial Recognition

  • Yes

Object Recognition

  • Yes


  • Object recognition requires an upgrade of memory capacity to a minimum of 4 GB.

Snapshot Replication

Maximum Snapshots per Shared Folder

  • 1,024

Maximum of System Snapshots

  • 65,536

Surveillance Station

Maximum IP cam (licences required)

  • 25 (including 2 Free Licence)

Total FPS (H.264)

  • 750 FPS @ 720p (1280×720)
  • 750 FPS @ 1080p (1920×1080)
  • 350 FPS @ 3M (2048×1536)
  • 275 FPS @ 5M (2591×1944)
  • 170 FPS @ 4K (3840×2160)

Total FPS (H.265)

  • 750 FPS @ 720p (1280×720)
  • 750 FPS @ 1080p (1920×1080)
  • 600 FPS @ 3M (2048×1536)
  • 475 FPS @ 5M (2591×1944)
  • 200 FPS @ 4K (3840×2160)


  • Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup.
  • Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.

Synology Drive

Recommended Number of Concurrent Sync Clients

  • 350 (the number of connections that can be maintained when the recommended number of hosted files was reached)

Recommended Number of Hosted Files

  • 5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)


  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users

  • 1,200


  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Video Station Yes

Virtual Machine Manager

Recommended Virtual Machine Instances

  • 2

Recommended Virtual DSM Number (licences required)

  • 2 (including 1 Free Licence)


  • The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections

  • 40