

Powerful functionality packed into a 4-bay chassis
Store, organize, and share up to 72 TB of data.
Contains hardware and software safeguards engineered to protect your data — trusted by millions.
The versatile DS423+ can serve as a central storage device as well as a multimedia hub.
Up to 226/224 MB/s read/write1
2 x M.2 NVMe SSD slots2
2 x 1GbE LAN ports
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. Learn more
Leverage high sustained performance and reliability with enterprise-grade drives and built-in data protection designed for Synology systems.5
Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.
Conveniently manage your fleet of Synology NAS from a centralized console.
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Extend the standard 3-year hardware warranty6 of your DS423+ with 2 more years of Synology-certified support and premium services to help you recover faster in the event of disaster.7
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
CPU | CPU Model | Intel Celeron J4125 |
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CPU Quantity | 1 | |
CPU Architecture | 64-bit | |
CPU Frequency | 4-core 2.0 (base) / 2.7 (turbo) GHz | |
Hardware Encryption Engine (AES-NI) | ![]() |
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Memory | 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 | Drive Bays | 4 |
M.2 Drive Slots | 2 (NVMe) | |
Compatible Drive Type* (See all supported drives) |
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Hot Swappable Drive* | ![]() |
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External Ports | 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 | Internal Drives |
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External Drives |
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Appearance | Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
Weight | 2.18 kg | |
Others | System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode |
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Brightness Adjustable Front LED Indicators | ![]() |
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Power Recovery | ![]() |
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Noise Level* | 19.8 dB(A) | |
Scheduled Power On / Off | ![]() |
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Wake on LAN / WAN | ![]() |
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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 | 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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Warranty | 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus | |
Notes |
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Environment | RoHS Compliant | |
Packaging Content |
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Optional Accessories |
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Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. |
Notes: