Introduction

Simplify your data management

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

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.

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.

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.

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.

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.

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.

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.

Storage

Supported storage drive interfaces

Serial ATA

Storage drive size

2.5/3.5"

Storage drive sizes supported

2.5,3.5"

Maximum supported storage capacity

108 TB

Number of M.2 (M & B) slots

2

RAID support

Y

RAID levels

0, 1, 5, 6, 10, JBOD

Hot-swap drive bays

Y

Supported file systems

BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4

Storage drives installed

N

Number of storage drives supported

4

Installed storage drive type

N

Supported storage drive types

HDD & SSD

Processor

Processor manufacturer

Realtek

Processor family

Realtek

Processor model

RTD1619B

Processor frequency

1.7 GHz

Processor cores

4

Memory

Internal memory type

DDR4

Maximum RAM supported

6 GB

Internal memory

2 GB

Network

Ethernet LAN

Y

Ethernet LAN data rates

10,100,1000 Mbit/s

Copper ethernet cabling technology

10BASE-T, 100BASE-T, 1000BASE-T

iSCSI support

Y

Supported network protocols

SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV

Ports & interfaces

USB port

Y

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

2

Ethernet LAN (RJ-45) ports

2

Design

Cooling type

Active

Product colour

Black

Number of fans

2 fan(s)

Fan diameter

8 cm

Fan diameter 2

8 cm

LED indicators

Y

Built-in display

N

Cable lock slot

Y

Cable lock slot type

Kensington

Built-in speaker(s)

N

Performance

Type

NAS

Device class

Home & Home Office

Backup function

Y

Backup features

Cloud, iSCSI LUN

Buzzer

Y

Multilingual support

Y

Number of users

1024 user(s)

Noise level

22.9 dB

Card reader integrated

N

Security algorithms

HTTPS, SSH, SSH-1.5, SSH-2, SSL/TLS

Access Control List (ACL)

Y

Reset button

Y

On/off switch

Y

Built-in FTP server

Y

Browser supported

Google Chrome, Firefox, Microsoft Edge, Safari

System log

Y

Software

Operating system installed

DiskStation Manager

Power

Power supply location

External

Power supply unit (PSU) capacity

90 W

Number of power supply units

1

Redundant power supply (RPS) support

N

Power consumption (typical)

32.41 W

Power consumption (sleep)

4.97 W

AC input voltage

100 - 240 V

AC input frequency

50 / 60 Hz

Weight & dimensions

Width

184 mm

Depth

168 mm

Height

230 mm

Weight

2.21 kg

Technical details

Sustainability certificates

CCC, CE, Federal Communications Commission (FCC), UKCA

Packaging content

External power adapter

Y

Cables included

AC, LAN (RJ-45)

Power cables quantity

1

Operational conditions

Operating temperature (T-T)

0 - 40 °C

Operating relative humidity (H-H)

5 - 95%

Storage temperature (T-T)

-20 - 60 °C

Storage relative humidity (H-H)

5 - 95%

Operating altitude

0 - 5000 m