Performance Compatibility Downloads Compare

DiskStation DS423

Versatile data management platform for work and more

DS423
DS423
Secure cloud storage

Secure cloud storage

Flexibly store up to 72 TB of data1 with 100% ownership and enjoy multi-platform access from anywhere.

Data sharing made easy

Data sharing made easy

Safely share files and media over your private cloud for easier collaboration and better productivity.

Versatile video surveillance

Versatile video surveillance

Leverage intuitive surveillance tools to protect your premises and store footage from up to 30 IP cameras.2

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. Learn more

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.

Multi-device access

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.

On-demand sync

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

Cloud integration

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.

Cross-platform sharing

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

Safeguard your data

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.

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

Smart and secure photo management

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.

Protect all your data

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.

Intuitive video surveillance

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

Multi-layered backup solutions

Extra protection available with Extended Warranty Plus

Extend the standard 2-year hardware warranty3,4 of your DS423 for up to 4 years of Synology-certified support and premium services that help you recover faster in the event of disaster.

DiskStation DS423

product DS423 front view photo
product DS423 back view photo
  • 1Status Indicator
  • 2LAN Indicators
  • 3Power Button
  • 4Drive Status Indicators
  • 5Fans
  • 6Power Port
  • 71GbE RJ-45 Ports
  • 8USB 3.2 Gen 1 Ports
  • 9Reset Button
  • 10Kensington Security Slot
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More ways to harness your NAS

File management

Store, access, and share files safely and efficiently, thanks to built-in solutions available in Synology DSM.

Learn more

Home surveillance

Monitor camera footage from anywhere, set up event alerts, and use other intuitive tools to secure your premises.

Learn more

Ransomware prevention

Reduce the threat posed by cyberattacks by leveraging Synology solutions to protect your devices.

Learn more

Notes:

  1. Raw capacity. Usable storage capacity may vary depending on drives used and RAID configuration.

  2. Supports up to 30 IP cameras on a single Synology server with Synology Surveillance Station. Up to 10,000 cameras can be managed per deployment by adding more recording servers with Surveillance Station CMS. Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses.  Learn more

  3. Extended Warranty Plus adds 2 years to the original warranty term of the device being registered. The starting date of 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 will apply.  Learn more

  4. The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal.

Hardware Specifications
CPU
CPU
 CPU Model Realtek RTD1619B
CPU Quantity 1
CPU Architecture 64-bit
CPU Frequency 4-core 1.7 GHz
Hardware Encryption Engine
Memory
Memory
 System Memory 2 GB DDR4 non-ECC
Total Memory Slots 0
Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Storage
Storage
 Drive Bays 4
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA SSD
Hot Swappable Drive*
Notes "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports
External Ports
 RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support)
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.
  • The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
Appearance
Appearance
 Size (Height x Width x Depth) 184 mm x 168 mm x 230 mm
Weight 2.21 kg
Others
Others
 System Fan 80 mm x 80 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level* 20.6 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 90 W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 32.41 W (Access)
4.97 W (HDD Hibernation)
British Thermal Unit 110.52 BTU/hr (Access)
16.95 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)
Relative Humidity 5% to 95% RH
Certification
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
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 2
  • Quick Installation Guide X 1
Optional Accessories
Optional Accessories

Notes:

  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.