The Synology DS423 is a compact and powerful 4-bay NAS for homes and small businesses that consolidates your documents, photos, and videos into a secure private cloud. Thanks to DSM and Btrfs, you get protection against data corruption, the ability to roll back changes using instant snapshots, and easy permission management. Access your files from anywhere—computer, mobile, or web browser—and share them securely with colleagues or family.

Take advantage of intelligent photo management in Synology Photos, on-demand sync in Synology Drive to save space on devices, and license-free backup solutions to protect your entire digital world. With integration with popular public clouds, you keep data under control while having it always at hand. For securing premises, the NAS can be expanded with surveillance features supporting up to 30 IP cameras and more than 8,300 models/ONVIF, with the option to view recordings from anywhere.

Key benefits:
- Private cloud with cross-platform access and sharing
- On-demand synchronization and offline access to pinned files
- Cloud service integration (Google Drive, Dropbox, OneDrive)
- Advanced data protection via Btrfs and instant snapshots
- Comprehensive backup without licenses, deduplication, and multiple storage targets
- Surveillance solution with centralized monitoring and notifications
- Rapid recovery with Snapshot Replication (RPO up to 5 minutes, recovery within seconds)