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All-in-one file management and sharing hub
The DS223j is an efficient one-stop solution for all your data storage and sharing needs. With two bays of storage and Synology DiskStation Manager (DSM) on board, the DS223j allows you to create a private cloud to protect your files, share your data across several devices, store security footage with intelligent video surveillance tools, and more.

• Centralized Data Storage Consolidate up to 36 TB of data,1 and enjoy 100% data ownership and multi-platform access from anywhere
• Next-Generation File System Leverage file self-healing, lightning-fast data snapshots, and rapid data cloning 2
• Secure Sharing and Syncing Safely access and share files and media from anywhere, and keep clients, colleagues and collaborators on the same page
• Simple Data Protection Back up your media library or document repository to a variety of destinations
• Versatile Camera Surveillance Protect your premises with flexible monitoring tools

DATASHEET | DiskStation DS223jAccess Your Files Anytime, Anywhere
Organize data scattered across devices. Your Synology NAS can serve as a go-to platform to securely and conveniently store any type of data with comprehensive and intuitive access and management tools.
• Enable QuickConnect to access your NAS securely from anywhere without configuring complex port forwarding rules
• Browse and manage your files and media from any browser with Synology Drive, or access data through your default file browser using common network protocols
• Keep your photos and videos organized using Synology Photos’ smart sorting functions
• Deploy your Synology NAS as edge storage and fit it easily into existing infrastructure thanks to Windows AD and LDAP integration

Collaboration and Synchronization Platform
Easily share documents with colleagues and boost productivity while working in a team or with your clients.
• Build a private data cloud for easy file management and sharing across all platforms, and keep data in sync between two Synology systems with Synology Drive
• Synchronize data to and from popular cloud storage platforms with Synology Cloud Sync
• Share media with colleagues or collaborators through the privacy-focused sharing options in Synology Photos

Flexible Data Protection Options
Synology DSM comes with a host of backup and data protection solutions available at no extra cost.
• Leverage Synology Drive to protect data from ransomware attacks or accidental deletion with real-time or scheduled backup of your PC folders
• Safeguard photos and videos taken on mobile devices by automatically creating remote copies with Synology Drive or Synology Photos
• Efficiently back up your entire Synology NAS or select folders to multiple destinations using Hyper Backup
• Store backups off-site on C2 Storage,3 a dedicated and secure cloud destination powered by Synology C2
• Create point-in-time snapshots with Snapshot Replication, allowing users to reverse any unplanned or unwanted changes

Versatile and Private Video Surveillance
Synology Surveillance Station transforms your Synology system into a powerful network video recorder (NVR).
• 8,300+ supported camera models
• ONVIF support for a broader selection of cameras
• Private, subscription-free storage of recordings
• Access through web browsers, desktop clients, or mobile apps
• Event-based rules to trigger specific actions
• Email, SMS, and push notification options
• Dual recording to the cloud with C2 Surveillance for online access and convenient sharing


The DS223j supports up to 36 TB of raw storage,1 making it an effective option for small teams to consolidate their data onto a single platform for safe and easy access. It is powered by the DSM operating system, which includes a multitude of backup, file sharing, and syncing applications that can be used to enhance remote work and collaboration.

Files can be managed securely, anytime and anywhere, using cross-device access, and with the included Synology Photos app users can back up, share, and organize their photos using intelligent management tools. Compared with its predecessors, the DS223j can handle more demanding tasks and a greater number of simultaneous users. Experience more than 180% faster file indexing in Synology Drive and over 200% faster image indexing in Synology Photos.


CPU Realtek RTD1619B
Memory 1 GB DDR4
Compatible drive types
• 2 x 3.5" or 2.5" SATA HDD/SSD (drives not included.)5
• Synology only guarantees full functionality, reliability, and performance for Synology
drives listed on the compatibility list. The use of non-validated components may limit
certain functionality and result in data loss and system instability6
Hot swappable drives No
External ports 2 x USB 3.2 Gen 1 ports
Form factor Desktop
Size (HxWxD) 165 x 100 x 225.5 mm
Weight 0.88 kg
LAN ports 1 x 1GbE RJ-45
Wake on LAN/WAN Yes
Scheduled power on/off Yes
System fans 1 x (92 x 92 x 25 mm)
AC input power voltage 100 V to 240 V AC
Power frequency 50/60 Hz, single phase
Operating environment • Temperature: 0°C to 40°C (32°F to 104°F)
• Relative humidity: 8% to 80% RH
Storage environment • Temperature: -20°C to 60°C (-5°F to 140°F)
• Relative humidity: 5% to 95% RH
Maximum operating altitude 5,000 m (16,400 ft)

General DSM Specifications
Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP,
OpenVPN™, L2TP)
File systems • Internal: Btrfs2, ext4
• External: Btrfs2, ext4, ext3, FAT32, NTFS, HFS+, exFAT
Supported RAID types Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1
Storage management
• Max. single volume size: 108 TB
• Max. number of system snapshots: 4,0967
• Max. number of internal volumes: 64
File sharing capabilities
• Max. number of local user accounts: 1,024
• Max. number of local groups: 256
• Max. number of shared folders: 256
• Max. number of concurrent SMB/NFS/AFP/FTP connections: 100
Privileges Windows® Access Control List (ACL) and application privileges
Directory services Connects with Windows® AD/LDAP servers enabling domain users to login via SMB/NFS/
AFP/FTP/File Station using their existing credentials
Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over
SSH, login auto block, Let's Encrypt support, and HTTPS (customizable cipher suite)
Supported browsers Google Chrome®, Firefox®, Microsoft Edge®, Safari® 14 and later, and Safari (iOS 14.0 and
later) on iPad, Chrome (Android™ 11.0 and later) on tablets

SKU DS223j
Shipping Weight 2.7000kg
Shipping Width 0.130m
Shipping Height 0.290m
Shipping Length 0.280m
Shipping Cubic 0.010530000m3

Manufacturer Warranty

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Synology DiskStation DS223j 2-Bay 3.5" Diskless 1xGbE NAS (Tower)

Model # DS223j

  • SKU: DS223j

SAVE $42.00 (11%)
In Stock

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