Synology DiskStation DS423+ 4-Bay NAS Server, Intel Dual Core
A compact storage hub with 100% data ownership
Conquer home office data chaos
Capable and compact
Powerful functionality packed into a 4-bay chassis
Consolidate and share
Store, organize, and share up to 72 TB of data.
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
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.
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
Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with the versioning feature.
Keep your photos organized
Efficiently back up and organize photos and videos with management tools for amateurs and professionals. Automatically organize your content into albums and create secure share links for family, friends, or clients.
Effortlessly keep multiple Synology NAS in sync
Collaborate with minimal downtime using site-to-site file syncing, which can be configured to automatically synchronize individual files or folders between Synology devices, allowing seamless file access.
Share data with the power of the cloud
Reduce your on-site storage footprint and benefit from data center network speeds with hybrid cloud technology. The optional Hybrid Share service provides efficiently storage of cold data in the cloud, while keeping frequently accessed files cached locally on your DS423+ and accessible at LAN speeds.
Back up PCs, smartphones, cloud apps, and more
Consolidate and automate backup tasks for PCs, file servers, VMs, SaaS applications, and more with Active Backup Suite. Administer device backups remotely through a centralized portal and quickly restore specific files or entire devices to keep your business up and running. Take advantage of built-in remote backup solutions designed to protect your data with seamless 3-2-1 backup configurations.
Perform full Synology system backups
Protect all data, applications, and configurations on your Synology systems with comprehensive scheduled backups to local and remote servers, external drives, or cloud storage destinations including Synology C2 Storage.
Protect folders and LUNs with snapshots
Configure efficient point-in-time snapshots of shared folders and LUNs at intervals as short as 5 minutes. Allow users to easily restore previous versions of files unassisted, quickly recover VMs, and copy snapshots to another server to benefit from rapid storage failover.
Synology Surveillance Station
Protecting your business has never been easier, with centralized management, support for over 8,300 IP camera models, and remote monitoring and playback. Synology’s video management system provides all the tools you need for live monitoring, investigation, management, and backup.
Dual recording to the cloud
C2 Surveillance allows you to keep access to surveillance footage if your recording server is disabled by recording to your local server as well as C2 cloud. End-to-end encryption protects streams against unauthorized access while low latency recording lets you review the crucial last few seconds before the recording server was lost.
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.
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.
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
Intel Celeron J4125
4-core 2.0 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
2 GB DDR4 non-ECC SODIMM
Total Memory Slots
Maximum Memory Capacity
6 GB (2 GB + 4 GB)
- 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.
M.2 Drive Slots
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
Hot Swappable Drive*
- 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.
RJ-45 1GbE LAN Port*
2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port*
- 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.
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
92 mm x 92 mm x 2 pcs
Fan Speed Mode
Brightness Adjustable Front LED Indicators
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
AC Input Power Voltage
100V to 240V AC
50/60 Hz, Single Phase
28.3 W (Access)
8.45 W (HDD Hibernation)
British Thermal Unit
96.5 BTU/hr (Access)
28.81 BTU/hr (HDD Hibernation)
- For more information on how power consumption is measured, refer to this article.
- 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%
0°C to 40°C (32°F to 104°F)
-20°C to 60°C (-5°F to 140°F)
5% to 95% RH
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
As an international traveller you are entitled to bring a certain amount/value of goods that are free of Customs duty and exempt Goods and Services tax (GST) into New Zealand. This is called your duty free allowance and personal goods concession. It is important to review these for any purchases you make on The Mall.
Your duty free allowance entitles you to bring into New Zealand the following quantities of alcohol products free of customs duty and GST provided you are over 17 years of age. You do need to be 18 years or over to purchase.
- Up to six bottles (4.5 litres) of wine, champagne, port or sherry or
- Up to twelve cans (4.5 litres) of beer
- And three bottles (or other containers) each containing not more than 1125ml of spirits, liqueur, or other spirituous beverages
Goods other than alcohol and tobacco, whether purchased overseas or purchased duty free in New Zealand, that have a combined total value not exceeding NZ$700 may also be brought as part of your personal goods concession.
When travelling overseas there are legal limits on the amount of duty free alcohol and other goods you can take with you. These amounts will vary depending on the country you are flying into. We always recommend you check the latest limits and exemptions.
Your order can be picked up at an Auckland Airport Collection Point. There is one in departures and one at arrivals in the international terminal. Alternatively, if you are arriving between 11pm and 6am you will be able to collect your order from our lockers. See map
Please bring your order confirmation email and your passport. If you are collecting from lockers you will have been sent an email with your access code, be sure to have this on you in order to collect your order.
If you’re departing Auckland Airport, we recommend that you come to the Auckland Airport Collection Point at least 60 minutes before your flight. If you miss your pickup time or your flight details have changed please let us know as soon as possible.
When you collect your order you will have the opportunity to inspect the items and sign for them.
If you need to return an item, our Collection Point team are there to help you. If you are collecting after hours please return the item to your locker and our team will be in touch as soon as possible. You may also like to view our Returns & refunds which provides information on how this works and outlines the individual retailer's returns and refunds policies.
After Hours Collections
If your order needs to be collected after the Auckland Airport Collection Point desk is closed, your order will be placed in the lockers next to the desk. All the details you will need to collect your order will be provided in your Order Confirmation and Ready to Collect Email.