The Synology DiskStation DS223 is a compact network-attached storage (NAS) solution designed for home offices, small businesses and workgroups. It centralizes file storage, sharing, synchronization and backup, allowing authorized users to access their data across computers and mobile devices. It supports two SATA hard drives or SSDs and runs Synology’s DiskStation Manager (DSM) operating system.
1. General specifications
| Specification | Details |
|---|---|
| Brand | Synology |
| Product series | DiskStation |
| Model | DS223 |
| Device type | 2-bay NAS enclosure |
| Primary function | Network storage, file sharing and backup |
| Operating system | Synology DiskStation Manager (DSM) |
| Number of drive bays | 2 |
| Included storage drives | Typically sold without drives; verify seller package |
| Intended use | Home offices, small businesses and workgroups |
| Form factor | Desktop |
| Supported storage media | SATA HDDs and SATA SSDs |
2. Processor and memory
| Specification | Details |
|---|---|
| Processor | Realtek RTD1619B |
| Processor architecture | 64-bit |
| CPU cores | 4 |
| CPU threads | 4 |
| Processor frequency | 1.7 GHz |
| System memory | 2 GB DDR4 non-ECC |
| Hardware encryption engine | Yes |
| Memory expansion | No user-accessible upgrade slot specified for this model |
3. Storage specifications
| Specification | Details |
|---|---|
| Drive bays | 2 |
| Supported drives | 3.5-inch SATA HDD and 2.5-inch SATA SSD |
| Maximum raw capacity | Up to 40 TB advertised by Synology for the product’s original configuration |
| Maximum single volume size | Up to 108 TB, subject to storage configuration and compatibility |
| Hot-swappable drives | Supported |
| Supported RAID types | Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0 and RAID 1 |
| RAID migration | Basic to RAID 1 |
| Volume expansion | Supported with compatible larger drives in SHR and RAID 1 configurations |
| Internal file systems | Btrfs and ext4 |
| SSD TRIM | Supported |
Important: Actual usable capacity depends on the installed drives and RAID configuration. RAID 1 mirrors data across both drives for redundancy, so usable capacity is approximately the size of one drive rather than the combined capacity.
4. Network and connectivity
| Specification | Details |
|---|---|
| Ethernet port | 1 × RJ-45 Gigabit Ethernet |
| Ethernet speed | 10/100/1000 Mbps |
| USB ports | 3 × USB 3.2 Gen 1 |
| USB transfer interface | Up to 5 Gbps theoretical interface rate |
| Network interface | 1GbE LAN |
| Remote access | Supported through compatible Synology services and configuration |
| Wake-on-LAN/WAN | Supported |
| Network protocols | SMB, AFP, NFS, FTP, WebDAV and Rsync |
| Secure file access | HTTPS and supported secure network services |
| Link aggregation | No, only one Ethernet port is provided |
5. Backup, security and file management
Centralized storage: Keep business documents, photographs, media and other files in one network-accessible location.
Automatic backups: Back up supported computers and folders using Synology’s backup applications.
Data protection: Use RAID 1 or SHR mirroring to maintain a redundant copy of data across two drives.
File synchronization: Synchronize files between compatible devices using Synology Drive.
Remote file access: Access and share files from supported computers, mobile devices and web browsers.
Access permissions: Configure user accounts, groups and shared-folder permissions.
Snapshot protection: Supports snapshots for compatible storage and applications.
File systems: Btrfs and ext4 provide storage-management options, with features depending on the selected file system.
Encrypted transfers: Supported secure protocols help protect data moving across the network.
6. Supported software and applications
| Feature | Details |
|---|---|
| Operating system | Synology DSM |
| File synchronization | Synology Drive |
| Backup management | Hyper Backup |
| File management | File Station |
| Multimedia management | Compatible Synology multimedia applications |
| Surveillance | Synology Surveillance Station |
| Free camera licences | 2 included |
| Cloud synchronization | Supported through compatible services |
| User management | Local accounts and groups |
| Maximum local user accounts | 256 |
| Maximum local groups | 64 |
| Maximum shared folders | 64 |
| Maximum Synology Drive users | 5 recommended under Synology’s tested workload |
7. Physical specifications
| Specification | Details |
|---|---|
| Dimensions (H × W × D) | 165 × 108 × 232.7 mm |
| Weight | 1.28 kg, without installed drives |
| Chassis type | Desktop enclosure |
| Cooling system | 1 × 92 mm × 92 mm fan |
| Fan modes | Full-Speed, Cool and Quiet |
| Noise level | Approximately 14.6 dB(A), under specified test conditions |
| Security | Kensington Security Slot |
| Front indicators | Status and drive activity indicators |
| Power recovery | Supported |
| Scheduled power on/off | Supported |
8. Power specifications
| Specification | Details |
|---|---|
| Power adapter | 60 W |
| AC input voltage | 100–240 V AC |
| Input frequency | 50/60 Hz |
| Power consumption during access | Approximately 17.34 W |
| Power consumption during HDD hibernation | Approximately 4.08 W |
| Thermal output during access | Approximately 59.19 BTU/hr |
9. Package contents
The standard package typically includes:
Synology DiskStation DS223 NAS enclosure
AC power adapter
AC power cord
RJ-45 LAN cable
Accessory pack
Quick Installation Guide
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