Create a private cloud hub for your data.

Import and sync data scattered across PCs, Macs, phones, and external storage devices to implement well-organized file management for your business.

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 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.

Cross-platform sharing

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

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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.

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Versatile storage solution for essential needs

Manage and organize photos efficiently, back up and secure your digital data, and safeguard your physical premises with the DS423.

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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.

- 30% faster photo indexing

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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.

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Intuitive video surveillance

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

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.

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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.

Near-instantaneous protection

Create point-in-time snapshots of shared folders and LUNs to protect your data. Snapshot Replication enables an RPO as low as 5 minutes and recovery within seconds.

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1 - Status Indicator
2 - LAN Indicators
3 - USB 3.2 Gen 1 port
4 - Drive Status Indicators
5 - Fans
6 - Power Port
7 - 1GbE RJ-45 Ports
8 - USB 3.2 Gen 1 Ports
9 - Reset Button
10 - Kensington Security Slot

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CPU: Realtek RTD1619B 64-bit 4-core 1.7 GHz
Drive Bays: 4 Hot-swappable 3.5" SATA HDD or 2.5" SATA SSD (storage media not included)
DS423
Form Factor: Desktop
I/O: 2x 1GbE RJ45 LAN
2x USB-A 3.2 Gen1
Memory: 2GB DDR4 non-ECC
Power Supply: 90W
Synology DiskStation DS423 4-Bay Diskless NAS RTD1619B 4-core 2GB RAM