Synology DS923+ Diskstation 4 Bay NAS (Up to 9-bay), AMD Ryzen R1600 CPU, Hardware Encryption engine, 4GB DDR4 ECC system Memory, 4x Drive bays, 2x NVMe M.2 Drive slots, 3.5″ / 2.5″ SATA Hard Disk Drive compatible Drive Type, Hot Swappable Drive, 2x RJ-45 1GbE LAN Port, 2x USB 3.2 Gen 1 Port, 1x eSATA Port, 1x Gen3 x2 Network upgrade slot PCI-e Expansion
Overview:
DiskStation DS923+
Flexible storage platform for small businesses and home offices
Take your data management to the next level
Versatile smart storage that helps you consolidate and store your growing digital data.
Stunningly compact
Powerful functionality in a tiny package, with room for 10GbE and dual NVMe drives.
Consolidate and share
Flexibly store and organize 50 TB of data, then share with anyone.
Keep your data safe
Hardware and software engineered to protect your data – trusted by millions.
Features:
Storage that fits your needs
Is your data scattered across external drives and public cloud accounts? With DS923+, you can consolidate your data with over 50 TB across 4 bays. Need more space? Expand with DX517 for over 120 TB of storage.
The performance you need
Reduce transfer times with DS923+, designed to accelerate your workloads. Easily add faster networking and NVMe drives to further boost performance.
- Up to 592/562 MB/s read/write
- Up to 10GbE networking
- 2 x M.2 NVMe cache & storage pool
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 storage
Access files from all your devices and protect them with smart versioning. Manage, share, and sync your data across locations.
A private cloud for all your devices
Effortlessly deploy your own personal cloud with Synologys private cloud solution. Simplify file access and consolidate your data management to benefit from easier file sharing and collaboration.1
Professional photo management
Efficiently back up and organize photos and videos with management tools for novice and professional users alike. Automatically organize your content into albums and create secure share links to share files with family, friends, or clients.
Sync files and folders between sites
Site-to-site file syncing allows collaborators to sync individual files or folders between Synology devices, whether at home, another office, or across the world. Combine convenient access with 100% data ownership.
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. Set up Hybrid Share Folders to efficiently store cold data in the cloud, while keeping frequently accessed files cached locally on your DS923+ and accessible at LAN speeds.
Multi-layered backup
Back up files, folders, physical devices, VMs, and SaaS applications with free solutions, and protect your NAS with built-in technologies.
Centralize your backup and recovery solution
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 system backups with Synology
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.
Smart surveillance
Transform your Synology device into a full-featured video management system for a wide range of compatible IP cameras.
Synology Surveillance Station
Protecting your business has never been easier with centralized video management, support for over 8,300 IP camera models, and remote monitoring and playback of footage. Synologys surveillance management system provides all the tools you need for live monitoring, alerts, investigation, management, and backup.
Dual recording
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.
Performance backed by Synology drives
Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.
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.
Specifications:
Product Code | Synology DS923+![]() |
CPU | |
CPU Model | AMD Ryzen R1600 |
CPU Quantity | 1 |
CPU Architecture | 64-bit |
CPU Frequency | 2-core 2.6 (base) / 3.1 (turbo) GHz |
Hardware Encryption Engine (AES-NI) | Yes |
Memory | |
System Memory | 4 GB DDR4 ECC |
Memory Module Pre-installed | 4 GB (4 GB x 1) |
Total Memory Slots | 2 |
Maximum Memory Capacity | 32 GB (16 GB x 2) |
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 |
Maximum Drive Bays with Expansion Unit | 9 (DX517 x 1) |
M.2 Drive Slots | 2 (NVMe) |
Compatible Drive Type | 3.5″ SATA HDD |
2.5″ SATA SSD | |
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) |
USB 3.2 Gen 1 Port | 2 |
eSATA Port | 1 |
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. | |
PCIe | |
PCIe Expansion | 1 x Gen3 x2 network upgrade slot |
File System | |
Internal Drives | Btrfs |
EXT4 | |
External Drives | Btrfs |
EXT4 | |
EXT3 | |
FAT | |
NTFS | |
HFS+ | |
exFAT | |
Appearance | |
Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
Weight | 2.24 kg |
Others | |
System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode | Full-Speed Mode |
Cool Mode | |
Quiet Mode | |
Brightness Adjustable Front LED Indicators | Yes |
Power Recovery | Yes |
Noise Level | 22.9 dB(A) |
Scheduled Power On / Off | Yes |
Wake on LAN / WAN | Yes |
Power Supply Unit / Adapter | 100 W |
AC Input Power Voltage | 100V to 240V AC |
Power Frequency | 50/60 Hz, Single Phase |
Power Consumption | 35.51 W (Access) |
11.52 W (HDD Hibernation) | |
British Thermal Unit | 121.09 BTU/hr (Access) |
39.28 BTU/hr (HDD Hibernation) | |
Notes | For more information on how power consumption is measured, refer to . |
Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 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 (32°F to 104°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
Relative Humidity | 5% to 95% RH |
Certification | |
Certification | FCC |
CE | |
BSMI | |
VCCI | |
RCM | |
UKCA | |
EAC | |
CCC | |
KC | |
3-year hardware warranty, extendable to 5 years with | |
Notes | Availability varies by region. Before purchasing, please visit the official web pages of and for a list of eligible regions. |
The warranty period starts from the purchase date as stated on your purchase receipt. | |
Environment | |
Environment | RoHS Compliant |
Packaging Content | |
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 | |
Optional Accessories | DDR4 ECC SODIMM: // |
Expansion Units: | |
3.5″ SATA HDD: | |
2.5″ SATA SSD: | |
M.2 2280 NVMe SSD: | |
10GbE Network Upgrade Module: | |
VisualStation: | |
Surveillance Device License Pack |