Description, Specifications for Synology DiskStation DS423+
![Capable and compact](https://www.datacarestatic.com/images/images/synology/icon_stunningly_compact.png)
Capable and compact
Powerful functionality packed into a 4-bay chassis
![Consolidate and share](https://www.datacarestatic.com/images/images/synology/icon_consolidate_and_share.png)
Consolidate and share
Store, organize, and share up to 72 TB of data.
![Integrated data protection](https://www.datacarestatic.com/images/images/synology/icon_data_protection.png)
Integrated data protection
Contains hardware and software safeguards engineered to protect your data — trusted by millions.
A capable all-around performer
The versatile DS423+ can serve as a central storage device as well as a multimedia hub.
Up to 226/224 MB/s read/write
2 x M.2 NVMe SSD slots
2 x 1GbE LAN ports
![A capable all-around performer](https://www.datacarestatic.com/images/images/synology/the_performance_you_need.jpg)
Btrfs: advanced file system for data protection
The Synology DiskStation Manager (DSM) operating system that powers DS423+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for the reversal of any unintended or malicious changes through the use of snapshot technology.
![Btrfs: advanced file system for data protection](https://www.datacarestatic.com/images/images/synology/data_protection.png)
Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your physical assets with professional video surveillance.
Private Cloud for Seamless Data Access
![A private cloud for all your devices](https://www.datacarestatic.com/images/images/synology/private_cloud_1.png)
![Keep your photos organized](https://www.datacarestatic.com/images/images/synology/private_cloud_2.png)
![Effortlessly keep multiple Synology NAS in sync](https://www.datacarestatic.com/images/images/synology/private_cloud_3.png)
![Share data with the power of the cloud](https://www.datacarestatic.com/images/images/synology/private_cloud_4.png)
![A private cloud for all your devices](https://www.datacarestatic.com/images/images/synology/private_cloud_1.png)
![Keep your photos organized](https://www.datacarestatic.com/images/images/synology/private_cloud_2.png)
![Effortlessly keep multiple Synology NAS in sync](https://www.datacarestatic.com/images/images/synology/private_cloud_3.png)
![Share data with the power of the cloud](https://www.datacarestatic.com/images/images/synology/private_cloud_4.png)
Multi-layered backup
![Back up PCs, smartphones, cloud apps, and more](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_1.png)
![Perform full Synology system backups](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_2.png)
![Protect folders and LUNs with snapshots](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_3.png)
![Back up PCs, smartphones, cloud apps, and more](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_1.png)
![Perform full Synology system backups](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_2.png)
![Protect folders and LUNs with snapshots](https://www.datacarestatic.com/images/images/synology/multi_layered_backup_3.png)
Smart surveillance
![Synology Surveillance Station](https://www.datacarestatic.com/images/images/synology/smart_surveillance_1.png)
![Dual recording to the cloud](https://www.datacarestatic.com/images/images/synology/smart_surveillance_2.png)
![Synology Surveillance Station](https://www.datacarestatic.com/images/images/synology/smart_surveillance_1.png)
![Dual recording to the cloud](https://www.datacarestatic.com/images/images/synology/smart_surveillance_2.png)
Performance backed by Synology drives
Leverage high sustained performance and reliability with enterprise-grade drives and built-in data protection designed for Synology systems.
![Performance backed by Synology drives](https://www.datacarestatic.com/images/images/synology/cate2_img.jpg)
Get more with DiskStation Manager
Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Security
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
DiskStation DS423+
![productDS423plusfront view photo](https://www.datacarestatic.com/images/images/synology/backpanel_01.png)
![productDS423plusback view photo](https://www.datacarestatic.com/images/images/synology/backpanel_02.png)
![productDS423plusback view photo](https://www.datacarestatic.com/images/images/synology/backpanel_03.png)
- 1 Status Indicator
- 2 Drive Status Indicators
- 3 Memory Expansion Slot
- 4 Drive Tray Locks
- 5 USB 3.2 Gen 1 Port
- 6 Power Button
- 7 Drive Trays
- 8 1GbE RJ-45 Ports
- 9 Reset Button
- 10 USB 3.2 Gen 1 Port
- 11 Power Port
- 12 Fans
- 13 Kensington Security Slot
- 14 M.2 NVMe SSD Slots
More ways to harness your NAS
Notes:
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Performance figures are obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See for more information.
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Synology SNV3400 series M.2 NVMe SSD drives can be installed through the built-in M.2 slots to enable SSD caching or create SSD storage pools. Drives are sold separately.
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C2 Storage for Hyper Backup and Hybrid Share requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered Synology Account.
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Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses.
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PCIe add-in cards, expansion units, and storage drives are sold separately. Refer to the for compatible devices.
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The warranty period starts from the date of purchase as stated on your purchase receipt. Visit for more information.
- Hardware Specs
- Software Specs
Hardware Specifications
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CPU
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CPU
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CPU Model | Intel Celeron J4125 |
CPU Quantity | 1 | |
CPU Architecture | 64-bit | |
CPU Frequency | 4-core 2.0 (base) / 2.7 (turbo) GHz | |
Hardware Encryption Engine (AES-NI) | ||
Memory
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Memory
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System Memory | 2 GB DDR4 non-ECC SODIMM |
Total Memory Slots | 1 | |
Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | |
Notes |
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Storage
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Storage
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Drive Bays | 4 |
M.2 Drive Slots | 2 (NVMe) | |
Compatible Drive Type* |
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Hot Swappable Drive* | ||
Notes |
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External Ports
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External Ports
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RJ-45 1GbE LAN Port* | 2 (with Link Aggregation / Failover support) |
USB 3.2 Gen 1 Port* | 2 | |
Notes |
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File System
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File System
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Internal Drives |
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External Drives |
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Appearance
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Appearance
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Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
Weight | 2.18 kg | |
Others
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Others
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System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode |
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Brightness Adjustable Front LED Indicators | ||
Power Recovery | ||
Noise Level* | 19.8 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 |
28.3 W (Access)
8.45 W (HDD Hibernation) |
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British Thermal Unit |
96.5 BTU/hr (Access)
28.81 BTU/hr (HDD Hibernation) |
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Notes |
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Temperature
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Temperature
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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
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Certification
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Warranty
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Warranty
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3-year hardware warranty, extendable to 5 years with or | |
Notes |
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Environment
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Environment
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RoHS Compliant | |
Packaging Content
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Packaging Content
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Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. |
DSM Specifications
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Maximum Single Volume Size* | 108 TB | |
Maximum Internal Volume Number | 64 | |
M.2 SSD Storage Pool Support* | ||
SSD Read / Write Cache | ||
SSD TRIM | ||
Supported RAID Type |
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RAID Migration |
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Volume Expansion with Larger HDDs |
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Volume Expansion by Adding a HDD |
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Global Hot Spare Supported RAID Type |
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Notes |
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File Protocol | SMB/AFP/NFS/FTP/WebDAV | |
Maximum Concurrent SMB/AFP/FTP Connections | 500 | |
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 1,500 | |
Windows Access Control List (ACL) Integration | ||
NFS Kerberos Authentication | ||
Notes |
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Maximum Local User Accounts | 2,048 | |
Maximum Local Groups | 256 | |
Maximum Shared Folder | 512 | |
Maximum Shared Folder Sync Tasks | 8 | |
Maximum Hybrid Share Folders | 10 | |
Synology High Availability | ||
Syslog Events per Second | 800 | |
Virtualization
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Virtualization
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VMware vSphere with VAAI | |
Windows Server 2016 | ||
Windows Server 2019 | ||
Citrix Ready | ||
OpenStack | ||
Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
Supported Browsers |
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Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 | |
Notes | For an updated list of supported browser versions, check the . | |
Add-on Packages
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Antivirus by McAfee (Trial)
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Antivirus by McAfee (Trial)
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Maximum Number of Concurrent Users | 100 | |
Notes |
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Document Viewer
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Document Viewer
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Download Station
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Download Station
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Download Station
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Maximum Concurrent Download Tasks | 80 |
Maximum iSCSI Target Number | 128 | |
Maximum LUN | 256 | |
LUN Clone/Snapshot, Windows ODX | ||
Free Email Accounts | 5 | |
Maximum Number of Concurrent Users | 100 | |
Maximum Server Performance | 1,224,000 emails per day, approx. 37GB | |
Notes |
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DLNA Compliance | ||
Facial Recognition | ||
Maximum Snapshots per Shared Folder | 1,024 | |
Maximum of System Snapshots | 65,536 | |
Maximum IP cam | 40 (including 2 Free License) | |
Total FPS (H.264) |
1200 FPS @ 720p (1280x720)
800 FPS @ 1080p (1920x1080) 350 FPS @ 3M (2048x1536) 280 FPS @ 5M (2591x1944) 170 FPS @ 4K (3840x2160) |
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Total FPS (H.265) |
1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080) 600 FPS @ 3M (2048x1536) 480 FPS @ 5M (2591x1944) 200 FPS @ 4K (3840x2160) |
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Notes |
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Recommended Number of Concurrent Sync Clients | 350 (the number of connections that can be maintained when the recommended number of hosted files was reached) | |
Recommended Number of Hosted Files | 5,000,000 (applies to files indexed or hosted by . For file access through other standard protocols, refer to the File Services section above) | |
Notes |
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Maximum Users | 1,200 | |
Notes |
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Recommended Virtual Machine Instances | 2 | |
Recommended Virtual DSM Number | 2 (including 1 Free License) | |
Notes | The specifications vary depending on system configuration and memory size. | |
Maximum Connections | 40 |
Notes:
- Model specifications are subject to change without prior notice.
- 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.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our for professional advice.