The Synology DS923+ 4-Bay NAS Enclosure can be adjusted and expanded as your needs change, with optional support for up to nine (9) drives (sold separately), faster networking, and NVMe SSDs (sold separately) for caching or additional storage pools. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronisation, backup, and surveillance.
Dependable Performance
Up to 625/559 MB/s sequential read/write throughput makes file operations quick and efficient.
Versatile Network Storage
Leverage built-in file and photo management, data protection, virtualisation, and surveillance solutions.
Fast and Stable Connectivity
Two (2) 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialised, bandwidth-heavy applications.
Easy Capacity Expansion
Add five (5) extra drive bays with one DX517 expansion unit (sold separately) for a maximum of nine (9) storage drives.
Keep Your Data Safe
Hardware and software engineered to protect your data — trusted by millions.
Versatile Storage for Any Purpose
The DS923+ comes out of the box with intuitive and comprehensive file management, media organisation, and backup options, making it ideal for IT enthusiasts, creative professionals, and business owners looking for a powerful and compact storage system.
- Up to 625 MB/s sequential read and 559 MB/s sequential write performance enables fast file sharing, syncing, streaming, and backup for multiple users
- Supports four (4) 3.5-inch or 2.5-inch SATA HDD/SSD, expandable to nine (9) drives with one Synology DX517 expansion unit (sold separately).
- Up to 32 GB DDR4 ECC memory offers protection against potential crashes and inadvertent changes in data through automatic correction of data errors
- Two (2) Gigabit RJ45 ports can be bonded using Link Aggregation to provide automatic network failover and load balancing
- Maximise return on investment by upgrading your storage platform as more demanding needs arise with two built-in M.2 NVMe SSD slots and an optional
- 10GbE RJ45 Network Upgrade Module (sold separately).
Built for Data Protection and Integrity
Safeguard your critical data with the powerful storage management features of Synology DSM, built on the advanced Btrfs file system.
- Advanced snapshot technology: Provides schedulable and near-instantaneous data protection for shared folders and LUNs
- File and folder-level data restoration: Enables recovery of specific files or folders
- Flexible storage quota system: Helps admins manage available space by specifying storage limits for shared folders
- File self-healing: Detects and recovers corrupted files using mirrored metadata and RAID configurations
- Inline compression: Minimises storage consumption and extends the life of drives by compressing data before it is written to the storage pool
Complete Data and Device Backup Solutions
Synology DSM comes standard with a complete package of backup solutions available at no extra cost.
- Active Backup Suite: Consolidates backup tasks and offers rapid restoration of Windows and Linux endpoints, VMs, Synology NAS, and SaaS applications
- Snapshot Replication: Creates point-in-time copies of shared folders and LUNs to protect them from accidental modifications or ransomware incidents
- Hyper Backup: Backs up your NAS data to multiple destinations securely and efficiently with integrity checks and powerful deduplication, compression, and versioning options
- C2 Storage for Hyper Backup: Offers a dedicated secure public cloud destination for Synology NAS backup data
Powerful Collaboration and Sharing Tools
Synology's productivity suite provides a private cloud solution for on-site and remote workers to concurrently edit documents, share files, manage emails, send instant messages, and more.
- Synology Drive is a cloud file management solution that supports file sharing, remote data access, cross-device and cross-site synchronisation, on-demand file restoration, and backup
- The Synology Office extension lets users collaborate on documents, spreadsheets, and presentation slides in real time, supported by convenient options such as file versioning for easy restoration and password protection
- Synology Photos serves as a media organisation hub for enthusiasts and professionals looking to efficiently manage and share their photos and videos through intuitive browsing options and secure sharing methods
- Synology Hybrid Share combines reliable on-premises storage and efficient syncing of shared folders in the cloud to enable seamless cross-site synchronisation and local file access at LAN speed
Private Video Surveillance
Synology Surveillance Station transforms the DS923+ into a powerful Network Video Recorder solution with support for up to 40 IP cameras (sold separately).
- 8,300+ supported camera models
- ONVIF support for a broader selection of cameras
- Private, subscription-free storage of recordings
- Access through web browsers, desktop clients, or mobile apps
- Event-based rules to trigger specific actions
- Email, SMS, and push notification options
Virtualisation and Certified Storage
Your DS923+ can serve as virtual machine storage, VM backup server, and a lightweight container and VM host. It is fully certified as storage for VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack environments.
- Synology Storage Console for VMware or Windows platforms lets you manage VM storage components directly from your hypervisor. VMware VAAI integration and Windows ODX help offload storage operations and speed up data transfer
- Host light containers and VMs for testing, sandboxing, and emergency recovery purposes with Docker and Synology Virtual Machine Manager, a native hypervisor that supports Windows, Linux, and Virtual DSM
