DiskStation DS223j

DiskStation DS223j

Compact, quiet, and energy-efficient storage

Product Image DS223j
Product Image DS223j
All-in-one platform to organize your dataDownload Datasheet Secure private cloudAnywhere, anytime secure access to all your data.Easy sharing and syncingSafely access and share files and media from anywhere.Comprehensive data protectionHardware and software engineered to protect your data — trusted by millions.

Built for sharing

DS223j is designed for small teams to share, sync, and collaborate more efficiently.

Multi-platform file access

Manage your files and media from anywhere with Synology Drive. Available on PC, Mac, Linux, Chromebook, Android, iOS, or any device equipped with a browser.

Multi-platform file access

Real-time collaboration

Stay productive while working in a team or with your clients. Work together across different platforms using Synology Office.

Real-time collaboration

Sync across sites

Keeping data synced between different sites has never been easier. Synology Drive ShareSync keeps files and folders synchronized across Synology systems.

Sync across sites

Seamless synchronization to clouds

Sync files between your private cloud and public cloud storage platforms, including Google Drive, Dropbox, Microsoft OneDrive, and more with Synology Cloud Sync. Retain local copies of your cloud data to centralize management and achieve data ownership.

Seamless synchronization to clouds

Your data in safe hands with Btrfs

The advanced Btrfs file system helps safeguard data against corruption through file self-healing and allows for the reversal of unintentional or malicious changes through fast snapshot technology. Learn more

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Store, share, and protect

Configure your DS223j to manage all your documents, photos, and other files, or protect your physical assets with professional video surveillance.

Photo managementManage your photo collectionOrganize your photos and videos with smart and intuitive features. Browse automatically generated albums using facial recognition, geolocation, tags, and more.Sharing made safer and easierSecurely share media with colleagues or clients while leveraging privacy-focused options for your peace of mind. Collaborate with selected users on a folder-based media library by creating a Shared Space.
Data protectionAutomated media backupAutomatically upload photos and videos taken on your mobile device to your private cloud with Synology Photos or Synology Drive.Protection against cyberattacksLeverage Synology Drive to protect data from ransomware attacks or accidental deletion with real-time or scheduled backup of your PC folders.
Video surveillanceWide compatibilityChoose from over 8,300 IP cameras or ONVIF devices compatible with Synology Surveillance Station to keep your premises secure.Universal accessWatch live camera streams through web browsers, desktop clients, or mobile apps. Get notified of events and take immediate action.
Add an extra layer of protectionPerform full Synology system backupsBack up your entire Synology device, including system settings and applications, or select specific folders. Transfer all backup data to multiple destinations using Hyper Backup.Keep your data safe with snapshotsTake your data protection to the next level by creating automatic point-in-time snapshots of shared folders that can be copied off-site and rapidly restored using Snapshot Replication.

Extra protection with Extended Warranty Plus

Extend the standard 2-year hardware warranty of your DS223j with 2 more years of Synology-certified support and premium services to help you recover faster in the event of disaster.

Hardware Overview
  • 1Status Indicator
  • 2LAN Indicator
  • 3Drive Status Indicators
  • 4Power Button and Indicator
  • 5Fan
  • 61GbE RJ-45 Port
  • 7USB 3.2 Gen 1 Ports
  • 8Reset Button
  • 9Power Port
  • 10Kensington Security Slot
  • First Product Image
  • Second Product Image
  • Third Product Image
  • Fourth Product Image
  • Fifth Product Image
  • Sixth Product Image

More ways to harness your NAS

File management

Store, access, and share files securely and efficiently with the native solutions available in Synology DSM.

Learn more

Productivity Solutions

Bring teams together, communicate, and collaborate in real time on a protected and private platform.

Learn more

Ransomware prevention and protection

Minimize the threat posed by increasingly sophisticated malware with Synology.

Learn more
Notes:Feature available from DSM 7.2.Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses.C2 Storage for Hyper Backup requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered Synology Account. Learn moreExtended Warranty Plus must be purchased within 90 days of the device purchase date, or if none is available, 180 days of the device manufacturing date. A Synology Account is required for the purchase. The starting date of the Extended Warranty Plus additional coverage is calculated based on the purchase date of your Synology NAS. If you cannot provide proof of purchase, the device manufacturing date applies.Express shipping is a paid add-on available in select countries only.
Hardware Specs Software Specs
Hardware Specifications
CPU
CPU
 CPU Model Realtek RTD1619B
CPU Quantity 1
CPU Cores 4
CPU Threads 4
CPU Architecture 64-bit
CPU Frequency 1.7 GHz
Hardware Encryption Engine
Memory
Memory
 System Memory 1 GB DDR4 non-ECC
Notes Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.
Storage
Storage
 Drive Bays 2
Drive Type (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA SSD (with optional 2.5" Disk Holder)
Hot Swappable Drive* -
External Ports
External Ports
 RJ-45 1GbE 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
Appearance
 Size (Height x Width x Depth) 165 mm x 100 mm x 225.5 mm
Weight 0.88 kg
Others
Others
 System Fan 92 mm x 92 mm x 1 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Low-power Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level* 18.2 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 60 watts
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 16.31 watts (Access)
4 watts (HDD Hibernation)
British Thermal Unit 55.62 BTU/hr (Access)
13.64 BTU/hr (HDD Hibernation)
Notes
  • For more information on how power consumption is measured, refer to this article.
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
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
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
  • BIS
Warranty
Warranty
 2-year hardware warranty, extendable to 4 years with Extended Warranty Plus
Notes
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
  • Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.
Environment
Environment
 RoHS Compliant
Packaging Content
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 1
  • Quick Installation Guide X 1
Optional Accessories
Optional Accessories
DSM Specifications
Storage Management
Storage Management
 Maximum Single Volume Size 108 TB
Maximum Internal Volume Number 64
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
Notes
  • Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
  • 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.
File System
File System
 Internal Drives
  • Btrfs
  • ext4
External Drives
  • Btrfs
  • ext4
  • ext3
  • FAT32
  • NTFS
  • HFS+
  • exFAT
Notes Btrfs file system is available from DSM 7.2-64570.
File Services
File Services
 File Protocol
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
Maximum Number of SMB Connections (FSCT-Based) 5
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes
  • Connection value of this model is tested with Synology SATA HDD fully populated and all onboard network ports
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
Account & Shared Folder
Account & Shared Folder
 Maximum Local User Accounts 256
Maximum Local Groups 64
Maximum Shared Folder 64
Maximum Shared Folder Sync Tasks 2
Hyper Backup
Hyper Backup
 Folder and Package Backup
Log Center
Log Center
 Syslog Events per Second 200
General Specifications
General Specifications
 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, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Notes For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list
Synology Chat
Synology Chat
Download Station
Download Station
 Maximum Concurrent Download Tasks 80
SAN Manager
SAN Manager
 Maximum iSCSI Target Number 2
Maximum LUN 4
LUN Clone/Snapshot, Windows ODX
Media Server
Media Server
 DLNA Compliance
Synology Photos
Synology Photos
 Facial Recognition
Snapshot Replication
Snapshot Replication
 Maximum Snapshots per Shared Folder 128
Maximum Snapshots per LUN 32
Maximum Snapshots per System 1,024
Maximum Replication Tasks for Shared Folders 16
Maximum Replication Tasks for LUNs 8
Maximum Replication Tasks per System 16
Notes Snapshot Replication is available from DSM 7.2-64570.
Surveillance Station
Surveillance Station
 Default Licenses 2 (Additional cameras require purchase of licenses)
Maximum IP Cameras and Total FPS (H.264)
  • 1080p: 12 channels, 360 FPS
  • 3M: 12 channels, 300 FPS
  • 5M: 12 channels, 150 FPS
  • 4K: 11 channels, 110 FPS
Maximum IP Cameras and Total FPS (H.265)
  • 1080p: 12 channels, 360 FPS
  • 3M: 12 channels, 360 FPS
  • 5M: 12 channels, 350 FPS
  • 4K: 12 channels, 200 FPS
Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
Synology Drive
Synology Drive
 Maximum Number of Users 5
Maximum Number of Hosted Files 100,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Synology Office
 Maximum Number of Users 5
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
VPN Server
VPN Server
 Maximum Connections 2
Notes: Model specifications are subject to change without prior notice. The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.