The Synology DS223j 2-Bay NAS device is an efficient one-stop solution for all your data storage and sharing needs. With two (2) bays of storage and Synology DiskStation Manager (DSM) on board, the DS223j allows you to create a private cloud to protect your files, share your data across several devices, store security footage with intelligent video surveillance tools, and more.
Key Features
- Capacity
Un-populated two (2) bay network attached NAS storage device with 1GB RAM. - Centralised Data Storage
Consolidate all your data with complete data ownership and multi-platform access. - Next-Generation File System
Leverage file self-healing, lightning-fast data snapshots, and rapid data cloning. - Secure Sharing and Syncing
Safely access and share files and media from anywhere, and keep clients, colleagues and collaborators on the same page. - Simple Data Protection
Back up your media library or document repository to a variety of destinations. - Versatile Camera Surveillance
Protect your premises with flexible monitoring tools.
Access Your Files Anytime, Anywhere
Organise data scattered across devices. Your Synology NAS can serve as a go-to platform to securely and conveniently store any type of data with comprehensive and intuitive access and management tools.
- Enable QuickConnect to access your NAS securely from anywhere without configuring complex port forwarding rules.
- Browse and manage your files and media from any browser with Synology Drive, or access data through your default file browser using common network protocols.
- Keep your photos and videos organised using Synology Photos’ smart sorting functions.
- Deploy your Synology NAS as edge storage and fit it easily into existing infrastructure thanks to Windows AD and LDAP integration.
Collaboration and Synchronisation Platform
Easily share documents with colleagues and boost productivity while working in a team or with your clients.
- Build a private data cloud for easy file management and sharing across all platforms, and keep data in sync between two Synology systems with Synology Drive.
- Synchronise data to and from popular cloud storage platforms with Synology Cloud Sync.
- Share media with colleagues or collaborators through the privacy-focused sharing options in Synology Photos.
Flexible Data Protection Options
Synology DSM comes with a host of backup and data protection solutions available at no extra cost.
- Leverage Synology Drive to protect data from ransomware attacks or accidental deletion with real-time or scheduled backup of your PC folders.
- Safeguard photos and videos taken on mobile devices by automatically creating remote copies with Synology Drive or Synology Photos.
- Efficiently back up your entire Synology NAS or select folders to multiple destinations using Hyper Backup.
- Store backups off-site on C2 Storage, a dedicated and secure cloud destination powered by Synology C2.
- Create point-in-time snapshots with Snapshot Replication, allowing users to reverse any unplanned or unwanted changes.
Versatile and Private Video Surveillance
Synology Surveillance Station transforms your Synology system into a powerful network video recorder (NVR).
- 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.
- Dual recording to the cloud with C2 Surveillance for online access and convenient sharing.
Hardware Specs
CPU
CPU Model
- Realtek RTD1619B
CPU Quantity
- 1
CPU Architecture
- 64-bit
CPU Frequency
- 4-core 1.7 GHz
Hardware Encryption Engine
- Yes
Memory
System Memory
- 1 GB DDR4 non-ECC
Storage
Drive Bays
- 2 (un-populated)
Compatible Drive Type
- 3.5-inch SATA HDD
- 2.5-inch SATA SSD (with optional 2.5-inch Disk Holder – sold separately, see accessories tab)
External Ports
RJ45 1GbE LAN Port
- 1
USB 3.2 Gen 1 Port
- 2
File System
Internal Drives
- Btrfs (Btrfs file system is available from DSM 7.2-64570.)
- EXT4
External Drives
- Btrfs (Btrfs file system is available from DSM 7.2-64570.)
- EXT4
- EXT3
- FAT
- NTFS
- HFS+
- exFAT
Appearance
Size (Height x Width x Depth)
- 165 mm x 100 mm x 225.5 mm
Weight
- 0.88 kg
Others
System Fan
- 92 mm x 92 mm x 1 pcs
Fan Speed Mode
- Full-Speed Mode
- Cool Mode
- Quiet Mode
- Low-power Mode
Brightness Adjustable Front LED Indicators
- Yes
Power Recovery
- Yes
Noise Level
- 18.2 dB(A)
Scheduled Power On / Off
- Yes
Wake on LAN / WAN
- Yes
Power Supply Unit / Adapter
- 60 W
AC Input Power Voltage
- 100V to 240V AC
Power Frequency
- 50/60 Hz, Single Phase
Power Consumption
- 16.31 W (Access)
- 4 W (HDD Hibernation)
British Thermal Unit
- 55.62 BTU/hr (Access)
- 13.64 BTU/hr (HDD Hibernation)
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
- FCC
- CE
- BSMI
- VCCI
- RCM
- UKCA
- EAC
- CCC
- KC
Environment
- RoHS Compliant
Software Specs
DSM Specifications
Storage Management
Maximum Single Volume Size
- 108 TB
Maximum Internal Volume Number
- 64
Supported RAID Type
- Synology Hybrid RAID
- Basic
- JBOD
- RAID 0
- RAID 1
RAID Migration
- Basic to RAID 1
Volume Expansion with Larger HDDs
- Synology Hybrid RAID
- RAID 1
Volume Expansion by Adding a HDD
- Synology Hybrid RAID
File Services
File Protocol
- SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections
- 100
Windows Access Control List (ACL) Integration
- Yes
NFS Kerberos Authentication
- Yes
Account & Shared Folder
Maximum Local User Accounts
- 1,024
Maximum Local Groups
- 256
Maximum Shared Folder
- 256
Maximum Shared Folder Sync Tasks
- 4
Hyper Backup
Data & Folder Backup
- Yes
Log Centre
Syslog Events per Second
- 200
General Specifications
Networking Protocols
- SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
- Google Chrome
- Firefox
- Microsoft Edge
- Safari
Supported Language
- English, German, French, Italian, Spanish, Danish, Norwegian, Swedish, Dutch, Russian, Poland, Hungarian, Portuguese (Brazil), Portuguese (Europe), Turkish, Czech, Thai, Japanese, Korean, Chinese (Traditional & Simplified)
Add-on Packages
Synology Chat
- Yes
Download Station
Maximum Concurrent Download Tasks
- 80
SAN Manager
Maximum iSCSI Target Number
- 10
Maximum LUN
- 10
LUN Clone/Snapshot, Windows ODX
- Yes
Media Server
DLNA Compliance
- Yes
Synology Photos
Facial Recognition
- Yes
Snapshot Replication
Maximum Snapshots per Shared Folder
- 256
Maximum of System Snapshots
- 4,096
Notes
- Snapshot Replication is available from DSM 7.2-64570.
Surveillance Station
Maximum IP cam (licences required, sold separately)
- 12 (including 2 Free Licences)
Total FPS (H.264)
- 360 FPS @ 720p (1280×720)
- 360 FPS @ 1080p (1920×1080)
- 300 FPS @ 3M (2048×1536)
- 150 FPS @ 5M (2591×1944)
- 110 FPS @ 4K (3840×2160)
Total FPS (H.265)
- 360 FPS @ 720p (1280×720)
- 360 FPS @ 1080p (1920×1080)
- 360 FPS @ 3M (2048×1536)
- 350 FPS @ 5M (2591×1944)
- 200 FPS @ 4K (3840×2160)
Synology Drive
Recommended Number of Concurrent Sync Clients
- 200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Recommended Number of Hosted Files
- 500,000 (applies to files indexed or hosted by Synology Drive)
Synology Office
Maximum Users
- 200
Video Station
- Yes
VPN Server
Maximum Connections
- 10
Package Contents
- 1 x DS223j Enclosure
- 1 x Accessory Pack
- 1 x AC Power Adapter
- 1 x AC Power Cord
- 1 x RJ45 LAN Cable
- 1 x Quick Installation Guide