4-bay DiskStation, Quad Core 1.7 GHz, 2GB RAM. Versatile data management platform for work and more Simplify your data management Secure cloud storage Flexibly store...
4-bay DiskStation, Quad Core 1.7 GHz, 2GB RAM. Versatile data management platform for work and more
Flexibly store up to 72 TB of data with 100% ownership and enjoy multi-platform access from anywhere.
Safely share files and media over your private cloud for easier collaboration and better productivity.
Leverage intuitive surveillance tools to protect your premises and store footage from up to 30 IP cameras.
Import and sync data scattered across PCs, Macs, phones, and external storage devices to implement well-organized file management for your business.
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.
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.
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.
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.
Manage and organize photos efficiently, back up and secure your digital data, and safeguard your physical premises with the DS423.
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.
Safeguard your digital world and back up all your documents, files, photos, and more with license-free backup solutions.
Have photos and videos taken on mobile devices automatically uploaded to your private cloud with Synology Photos or Synology Drive.
Protect your data against ransomware attacks or accidental deletion with real-time or scheduled backups of computer folders with Synology Drive.
Secure your home or business with a powerful solution to monitor, archive, and analyze footage centrally.
Connect up to 30 IP cameras by selecting from a wide variety of over 8,300 validated models or ONVIF devices.
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.
Leverage Synology solutions to back up all data stored on your DS423 onto a secondary server, external storage device, or the cloud.
Back up your Synology device, including system settings, applications, and shared folders, save space with data deduplication, and store copies to multiple destinations.
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.
| Hardware Specifications | |
| CPU | |
| CPU Model | Realtek RTD1619B |
| CPU Quantity | 1 |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 1.7 GHz |
| Hardware Encryption Engine | ✔ |
| Hardware Encryption Engine (AES-NI) | |
| Memory | |
| System Memory | 2 GB DDR4 non-ECC |
| Total Memory Slots | |
| Maximum Memory Capacity | |
| 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 | |
| Drive Bays | 4 |
| M.2 Drive Slots | |
| 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 | |
| RJ-45 1GbE LAN Port | |
| RJ-45 1GbE LAN Port* | 2 (with Link Aggregation / Failover support) |
| USB 3.2 Gen 1 Port* | 2 |
| USB Copy | |
| 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. | |
| File System | |
| Internal Drives | Btrfs |
| EXT4 | |
| External Drives | Btrfs |
| EXT4 | |
| EXT3 | |
| FAT | |
| NTFS | |
| HFS+ | |
| exFAT | |
| Notes | |
| Appearance | |
| Size (Height x Width x Depth) | 184 mm x 168 mm x 230 mm |
| Weight | 2.21 kg |
| 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) | |
| 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 | FCC |
| CE | |
| BSMI | |
| VCCI | |
| RCM | |
| UKCA | |
| EAC | |
| CCC | |
| KC | |
| Warranty | 2-year hardware warranty, extendable to 4 years with Extended Warranty Plus |
| Environment | RoHS Compliant |
| 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 | 3.5" SATA HDD: HAT5300/HAT3300 |
| 2.5" SATA SSD: SAT5210 | |
| Surveillance Device License Pack | |
| Antivirus by McAfee (Trial) | |
| Central Management System | |
| Synology Chat | ✔ |
| Maximum Number of Concurrent Users | |
| Document Viewer | |
| Download Station | ✔ |
| Maximum Concurrent Download Tasks | 80 |
| SAN Manager | ✔ |
| Maximum iSCSI Target Number | 128 |
| Maximum LUN | 256 |
| LUN Clone/Snapshot, Windows ODX | ✔ |
| Notes | |
| Synology MailPlus / MailPlus Server | |
| Free Email Accounts | |
| Maximum Number of Concurrent Users | |
| Maximum Server Performance | |
| Notes | |
| Media Server | ✔ |
| DLNA Compliance | ✔ |
| Synology Photos | ✔ |
| Facial Recognition | ✔ |
| Snapshot Replication | ✔ |
| Maximum Snapshots per Shared Folder | 256 |
| Maximum of System Snapshots | 4,096 |
| Notes | |
| Surveillance Station | ✔ |
| Maximum IP cam (Licenses required) | 30 (including 2 Free License) (see all supported IP cameras) |
| Total FPS (H.264) | 900 FPS @ 720p (1280x720) |
| 600 FPS @ 1080p (1920x1080) | |
| 300 FPS @ 3M (2048x1536) | |
| 200 FPS @ 5M (2591x1944) | |
| 150 FPS @ 4K (3840x2160) | |
| Total FPS (H.265) | 900 FPS @ 720p (1280x720) |
| 800 FPS @ 1080p (1920x1080) | |
| 500 FPS @ 3M (2048x1536) | |
| 450 FPS @ 5M (2591x1944) | |
| 200 FPS @ 4K (3840x2160) | |
| Notes | Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup. |
| Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present. | |
| Synology Drive | ✔ |
| Recommended Number of Concurrent Sync Clients | 200 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Recommended Number of Hosted Files | 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
| Synology Office | ✔ |
| Maximum Users | 200 |
| Notes | Multiple files were opened for testing and each file was edited by 30 users simultaneously. |
| Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM | |
| Video Station | ✔ |
| Virtual Machine Manager | |
| Recommended Virtual Machine Instances | |
| Recommended Virtual DSM Number (Licenses required) | |
| Notes | |
| VPN Server | ✔ |
| Maximum Connections | 20 |
