Built for sharing
DS223j is designed for small teams to share, sync, and collaborate more efficiently.

Multi-platform file access
Manage your files and media from anywhere with Synology Drive. Available on PC, Mac, Linux, Chromebook, Android, iOS, or any device equipped with a browser.

Real-time collaboration
Stay productive while working in a team or with your clients. Work together across different platforms using Synology Office.

Sync across sites
Keeping data synced between different sites has never been easier. Synology Drive ShareSync keeps files and folders synchronized across Synology systems.

Seamless synchronization to clouds
Sync files between your private cloud and public cloud storage platforms, including Google Drive, Dropbox, Microsoft OneDrive, and more with Synology Cloud Sync. Retain local copies of your cloud data to centralize management and achieve data ownership.

Your data in safe hands with Btrfs
The advanced Btrfs file system helps safeguard data against corruption through file self-healing and allows for the reversal of unintentional or malicious changes through fast snapshot technology.

Store, share, and protect
Configure your DS223j to manage all your documents, photos, and other files, or protect your physical assets with professional video surveillance.

Manage your photo collection
Organize your photos and videos with smart and intuitive features. Browse automatically generated albums using facial recognition, geolocation, tags, and more.

Sharing made safer and easier
Securely share media with colleagues or clients while leveraging privacy-focused options for your peace of mind. Collaborate with selected users on a folder-based media library by creating a Shared Space.

Automated media backup
Automatically upload photos and videos taken on your mobile device to your private cloud with Synology Photos or Synology Drive.

Protection against cyberattacks
Leverage Synology Drive to protect data from ransomware attacks or accidental deletion with real-time or scheduled backup of your PC folders.

Wide compatibility
Choose from over 8,300 IP cameras or ONVIF devices compatible with Synology Surveillance Station to keep your premises secure.

Universal access
Watch live camera streams through web browsers, desktop clients, or mobile apps. Get notified of events and take immediate action.

Technical details
Sustainability certificates	RoHS
Processor
Processor family	Realtek
Processor manufacturer	Realtek
Processor model	RTD1619B
Processor frequency	1.7 GHz
Processor cores	4
Number of processors supported	1
Memory
Internal memory	1 GB
Internal memory type	DDR4
ECC	No
Ports & interfaces
Ethernet LAN (RJ-45) ports	1
USB port	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
Weight & dimensions
Width	100 mm
Depth	225.2 mm
Height	65 mm
Weight	880 g
Power
Power supply location	External
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	8 - 80%
Storage temperature (T-T)	-20 - 60 °C
Storage relative humidity (H-H)	5 - 95%
Operating altitude	0 - 5000 m
Network
Ethernet LAN	Yes
Ethernet LAN data rates	1000 Mbit/s
Wake-on-LAN ready	Yes
Supported network protocols	SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN)
Storage
Storage drives installed	No
Number of storage drives supported	2
Installed storage drive type	No
Supported storage drive types	HDD & SSD
Storage drive interface	Serial ATA
RAID support	Yes
Storage drive size	2.5/3.5"
Storage drive sizes supported	2.5,3.5"
RAID levels	0, 1, JBOD
Hot-swap drive bays	No
Supported file systems	BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4
Software
Operating system installed	DiskStation Manager
Packaging content
External power adapter	Yes
Cables included	AC
Power cables quantity	1
Design
Chassis type	Desktop
Cooling type	Active
Product colour	White
Number of fans	1 fan(s)
Fan diameter	9.2 cm
Built-in display	No
Cable lock slot	Yes
Cable lock slot type	Kensington
Built-in speaker(s)	No
Performance
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Multilingual support	Yes
Number of users	1024 user(s)
Noise level	18.2 dB
Card reader integrated	No
Snapshot	Yes
Web-based management	Yes
Access Control List (ACL)	Yes
Reset button	Yes
On/off switch	Yes
Browser supported	Google Chrome, Firefox, Microsoft Edge, Safari