• Centralized Data Storage – Consolidate up to 72TB of data and enjoy 100% data ownership and multi-platform access from anywhere
  • Secure Sharing and Syncing – Safely access and share files and media from anywhere and keep friends, partners or collaborators on the same page
  • Simple Data Protection – Back up your media and documents to multiple destinations and leverage snapshots to protect against malware
  • Versatile Surveillance – Protect your home or business with intuitive monitoring, archiving and analysis tools for up to 30 IP cameras

Out of stock

Synology DiskStation DS423+ | 4-Bay, Intel Celeron J4125, 2GB RAM

A compact storage hub with 100% data ownership.  Conquer home office data chaos.

The 4-bay DS423+ is a capable performer with all the tools you need to secure, share, back up and sync your data and media. Built-in solutions available in Synology DiskStation Manager (DSM) let users create their own private cloud, organize and stream music, video and photo collections across all devices, seamlessly collaborate with partners, set up an intuitive surveillance system and more.


  • Centralized Data Storage - Store up to 72TB of data in one place, maintain 100% data ownership, and enjoy multi-platform access
  • Dependable Performance - Up to 226/224 MB/s sequential read/write throughput supports stable data transfers
  • Built-in Data Management Tools - Leverage built-in file and photo management, data protection and surveillance solutions
  • Effortless Data Sharing and Syncing - Access, share and sync your data and media easily across different operating systems and devices


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CPU 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) Yes
Memory System Memory 2GB DDR4 non-ECC SODIMM
Total Memory Slots 1
Maximum Memory Capacity 6GB (2 GB + 4 GB)
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.
Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
Storage Drive Bays 4
M.2 Drive Slots 2 (NVMe)
M.2 2280 NVMe SSD
Hot Swappable Drive Yes
Notes The hot swappable drive feature is not supported by M.2 SSD slots.
"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 2 (with Link Aggregation / Failover support)
USB3.2 Gen 1 Port 2
Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
The USB3.0 standard was renamed to USB3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System Internal Drives Btrfs
External Drives Btrfs
Appearance Size (Height x Width x Depth) 166 × 19 × 223 mm
Weight 2.18 kg
Others System Fan 92 × 92mm × 2 pcs
Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode
Brightness Adjustable Front LED Indicators Yes
Power Recovery Yes
Noise Level 19.8 dB(A)
Scheduled Power On / Off Yes
Wake on LAN / WAN Yes
Power Supply Unit / Adapter 90W
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 28.3W (Access)
8.45W (HDD Hibernation)
British Thermal Unit 96.5 BTU/hr (Access)
28.81 BTU/hr (HDD Hibernation)
Notes Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature Operating Temperature 0°C to 40°C
Storage Temperature -20°C to 60°C
Relative Humidity 5% to 95% RH
Certification FCC
Warranty 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
The warranty period starts from the purchase date as stated on your purchase receipt
Environment RoHS Compliant
Packaging Content Main Unit × 1
Accessory Pack × 1
AC Power Adapter × 1
AC Power Cord × 1
RJ-45 LAN Cable × 2
Quick Installation Guide × 1
Optional Accessories DDR4 non-ECC SODIMM: D4NESO-2666-4G
3.5" SATA HDD: HAT5300
2.5" SATA SSD: SAT5210
M.2 2280 NVMe SSD: SNV3410
VisualStation: VS360HD
Surveillance Device License Pack