Synology Expansion Cards and Accessories
SYNOLOGY DiskStation DS923+ 4GB (Diskless)
NAS 4-Bay Tower - Maximum internal capacity 72 TB - DDR4 memory 4GB expandable to 32GB
2 GbE Ports - PCIe expansion slot - 2 M.2 slot (NVME) - 1 eSATA port
SATA 6Gb/s 2.5" or 3.5" Disk - SSD Support - 3-Year Manufacturer Warranty

Synology DiskStation® DS923+ NAS Server
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.

Dual 2.6 GHz cores up to 3.1 GHz

2 x 1GbE LAN ports
10GbE Option

4GB DDR4 ECC
expandable to 32GB

Store and organize 72TB of data flexibly

2 built-in NVMe M.2 2280 SSD slots

Powerful features in a compact package
Flexible file sharing and storage for home and small business
Synology DS923+ is an efficient 4-bay NAS solution that you can scale and expand as needed, with optional support for up to nine drives, faster networking, and NVMe SSDs for caching or additional storage groups.
Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup and monitoring.
Highlights
- Reliable performance
Sequential read/write throughput of up to 625/559 MB/s for fast and efficient file operations - Versatile network storage
Take advantage of integrated solutions for file and photo management, data protection, virtualization and monitoring - Fast and stable connectivity
Two 1GbE ports for easy integration into existing environments with optional 10GbE connectivity to handle more specialized, high-bandwidth applications - Capacity expansion made easy
Add 5 additional drive bays with a DX517 expansion unit for up to 9 storage drives - Expandable Technical Support
Covered by Synology’s 3-year limited hardware warranty, extendable to 5 years in select markets
Versatile storage for all uses
Featuring intuitive and comprehensive file management, media organization and backup options, the DS923+ is the ideal tool for computer enthusiasts, creative professionals and business owners looking for a powerful and compact storage system.
• Sequential read performance of up to 625MB/s and sequential write performance of up to 559MB/s enable fast file sharing, synchronization, streaming and backup for multiple users
• Supports 4 x 3.5″ or 2.5″ SATA HDD/SSD, expandable up to 9 drives with Synology DX517 expansion unit
• Up to 32 GB of DDR4 ECC memory to protect against potential crashes and accidental data changes with automatic data error correction
• Two RJ-45 Gigabit ports can be bonded using Link Aggregation to provide automatic network failover and load balancing
• Maximize return on investment by upgrading your storage platform to meet the most demanding needs with two built-in NVMe M.2 SSD slots and an optional 10GbE RJ-45 network upgrade module.

The performance you need
Reduce transfer times with the DS923+, designed to accelerate your workloads. Easily speed up networking and add NVMe drives to further optimize your performance.

- Networking up to 10GbE
- Read/write performance up to 592/562 MB/s
- 2 NVMe M.2 caches and storage groups

Storage adapted to your needs
Is your data scattered across multiple external drives and public cloud accounts?
With the DS923+, you can consolidate your data onto over 50TB of storage across 4 bays.
Need more space? Add the DX517 for over 120TB of storage.
RAID 0 – 4 bays 72 TB raw up to 9 bays 162 TB raw
RAID 5 – 4 bays 54 TB usable up to 9 bays 126 TB usable

Multi-layer backup
Back up files, folders, physical devices, virtual machines, and SaaS applications using free solutions, and protect your NAS with built-in technologies.
Back up all your devices!
Protect all endpoints, servers and virtual machines.
Safely back up Windows clients and servers, Linux endpoints, VMware® and Hyper-V® virtual machines, and other Synology devices. Leverage built-in deduplication technology to dramatically reduce backup sizes and multi-version point-in-time restore systems. Learn more

Perform local backups of your Cloud applications
Protect your company’s Microsoft 365 and Google Workspace accounts by maintaining complete offline copies of your critical information and configurations with Active Backup for Microsoft 365 and Active Backup for Google Workspace.
Back up documents and media
Set up backup tasks to protect important folders on your MacOS PC and device with Synology Drive. On your mobile device, automatically save another copy of the photos and videos you take, and easily organize and share them via Synology Photos.

Protect your Synology system!
Backup your NAS to multiple destinations
Protecting data on your Synology system and on your server itself involves storing frequent emergency copies at multiple locations. Synology DSM’s built-in tools allow you to efficiently back up files, folders, or your entire system from your device to remote servers, external drives, or Synology and third-party cloud storage, with compact deduplication technology that reduces total size of backups and customizable backup and retention schedules for maximum flexibility.
High frequency protection with snapshots
Take point-in-time snapshots of shared folders and LUNs, at intervals of up to 5 minutes, to protect against data loss, accidental deletion, or malware attacks. Set a custom retention schedule and restore files and VMs to an unaffected version. Learn more

Private Cloud
Access files from all your devices and protect them with intelligent versioning. Manage, share and synchronize your data across multiple sites.
Consolidate data management
A private cloud for all your devices
Create your own personal cloud with Synology’s private cloud solution. Simplify file access and consolidate your data management for easy file sharing and collaboration. Learn more
Professional photo management
Efficiently back up and organize your photos and videos with management tools for amateurs and professionals. Automatically organize your content into albums and create secure sharing links for your family, friends or clients. Learn more


Collaborate across multiple sites
Synchronize files and folders between sites
Cross-Site File Sync allows employees to sync individual files or folders between Synology devices, whether at home, in the office or around the world. Combine convenient access and full data ownership.
Share data with the power of the cloud
Reduce your on-premises storage footprint and take advantage of the network throughput offered by data centers with hybrid cloud technology. Set up Hybrid Share folders to efficiently store your cold data in the cloud, while keeping frequently used files cached locally on your DS923+ and accessible with LAN network throughput. Learn more

Smart monitoring for small deployments
Turn your Synology device into a complete video management system for a wide range of compatible IP cameras.
Monitor and protect your business
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 your live monitoring, investigation, management, and backup activities.


Dual registration
C2 Surveillance allows you to continue accessing surveillance footage if your recording server is disabled, saving it to your local server as well as to C2 Cloud. End-to-end encryption protects streams from unauthorized access, while low-latency recording lets you review the last crucial seconds recorded before losing connection to the server.
Extra protection with Extended Warranty Plus
Extend your standard 3-year NAS hardware warranty with an additional 2 years of Synology-certified support and premium services that enable you to enjoy faster disaster recovery. Learn more


The different elements of the DS923+
- 1 Status indicator
- 2 Drive Status Indicators
- 3 Drive Tray Locks
- 4 USB 3.2 Gen 1 Port
- 5 Power Button and Indicator
- 6 Drive Trays
- 7 1GbE RJ-45 Ports
- 8 Reset button
- 9 eSATA port
- 10 Power Port
- 11 Network Upgrade Slot
- 12 USB 3.2 Gen 1 Port
- 13 Fan
- 14 Kensington Security Slot


- 15 M.2 NVMe SSD Slots




Our NAS servers equipped with ready-to-use professional disks!
Our entire range of NAS servers is equipped with professional hard drives. The disks are installed by our technical teams, the NAS is tested on the network before shipment, to allow faster installation in the company.
The different discs available :
- Western Digital WD RED PLUS
- Western Digital WD PURPLE
- Seagate IRONWOLF
- Seagate SKYHAWK
- Toshiba N300
- Synology SSD SAT5200
- Synology HDD HAT5300/5310
- Model
- Synology DiskStation DS923+
- CPU type
- AMD Ryzen Embedded R1600
- Number of CPU sockets
- 1
- Number of Cores / Threads
- 2C / 4T
- CPU frequency
- 2.6 GHz - Burst 3.1 Ghz
- Memory capacity
- 4GB
- Memory type
- DDR4 ECC
- Number of memory slots
- 2 slot
- Maximum memory capacity
- 32 GB (16 GB x 2)
- Hardware Encryption Engine (AES-NI)
- Oui
- Number of disk bays
- 4
- Maximum number of disk bays with extension
- 4 + 5 (DX517 x 1)
- M.2 drive slot
- 2 (NVMe)
- Compatible disc type
- 2.5" SATA SSD
3.5" SATA HDD
M.2 2280 NVMe SSD - Hotswap disk
- Oui
- Installed disk capacity
- 0TB
- Disk model installed
- None
- Disk interface
- Serial ATA 6Gb/s (SATA Revision 3)
- Supported RAID type
- JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
SHR - Supported file system
- BTRFS
EXT3
EXT4
FAT
HFS+
NTFS - Number of expansion ports
- 1 eSATA port
- Scalable
- Yes
- PCIe Expansion
- 1 x Gen3 x2
- Number of USB Ports
- 2 x USB 3.2 Gen 1*
- Number of network ports
- 2 x 1GbE (RJ45)
- Size (Height x Width x Depth)
- 166 mm x 199 mm x 223 mm
- Weight
- 2.24 kg
4.9 kg - Sound level
- 22.9 dB(A)
- Mains input voltage
- 100V to 240V AC
- Power frequency
- 50/60Hz, single phase
- Color
- Black
N/A - Brand
- Synology
DS923+NU
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