Multi-device access

Browse, access, edit, and share files securely and conveniently via desktop, mobile, or web browser platforms. Use intuitive admin tools to track and set file permissions and control access to documents, files, and other data.

On-demand sync

Save space on your personal devices by only synchronizing the files you need from your Synology system. Pin frequently accessed files for convenient offline accessibility.

Cloud integration

Sync your private storage servers with public cloud services such as Google Drive, Dropbox, and Microsoft OneDrive. Retain local copies of your cloud data for centralized management and data ownership. Learn more

Cross-platform sharing

Build a private data cloud that syncs and shares files swiftly between multiple storage servers, letting everyone access the same set of data at their convenience.

Safeguard your data

Powered by Synology DiskStation Manager (DSM), the DS423 utilizes Btrfs, a next-generation file system, to secure data against corruption and allows users to roll back any accidental or malicious changes with instantaneous snapshots. Learn more

Smart and secure photo management

Store and organize photos, albums, and other media with smart and intuitive features. Back up your memories with the mobile app, and leverage privacy-focused options to share media securely with friends, family, or colleagues. Learn more

30% faster photo indexing

Protect all your data

Safeguard your digital world and back up all your documents, files, photos, and more with license-free backup solutions.

Automatically back up memories and files

Safeguard mobile media such as photos and videos by automatically storing remote copies onto Synology Photos or Synology Drive.

Survive cyberattacks and prevent data leaks

Protect your data against ransomware attacks or accidental deletion with real-time or scheduled backups of computer folders with Synology Drive.

Intuitive video surveillance

Secure your home or business with a powerful solution to monitor, archive, and analyze footage centrally. Learn more

Wide device compatibility

Connect up to 30 IP cameras by selecting from a wide variety of over 8,300 validated models or ONVIF devices.²

Access from anywhere

Monitor video streams in real time via web browsers, desktop clients, or mobile apps to protect your premises 24/7. Set up alerts and triggers to get notified of suspicious activity.

Multi-layered backup solutions

Leverage Synology solutions to back up all data stored on your DS423 onto a secondary server, external storage device, or the cloud.

Flexible off-site backups

Back up your Synology device, including system settings, applications, and shared folders, save space with data deduplication, and store copies to multiple destinations. Learn more

Near-instantaneous protection

Create point-in-time snapshots of shared folders and LUNs for added protection of your data. Snapshot Replication enables an RPO as low as 5 minutes and recovery within seconds. Learn more

• 1Status Indicator
• 2LAN indicator
• 3USB 3.2 Gen 1 port

• 4Drive Status Indicators
• 5Fans
• 6Power Port

• 71GbE RJ-45 Ports
• 8Power Button
• 9Reset Button

• 10Kensington Security Slot

1. Model specifications are subject to change without prior notice.
2. 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.
3. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
4. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.