Synology DS220j Specs & PDF

Synology DS220j Specs & PDF


DiskStation DS220j

Household Cloud Solution for Data Sharing and Backup



• A Simple-to-Use Private Cloud for Everyone
24/7 file server for your household to store, share, and
backup personal data
• Easy-to-Use
Award-winning DiskStation Manager (DSM) brings
intuitive operation flow and reduces learning curve
• Seamless File Sharing
Access and share data with any Windows®, macOS®,
and Linux® computers or mobile devices
• On-the-Fly Streaming
Integrated media server to support multimedia content
• Anytime, Anywhere
Freely access private cloud files on-the-go and back up
mobile photos with iOS and Android™ apps
• Data Guardian
Safeguard digital assets with cross-platform computer
backup applications


Technical Specifications
CPU Realtek RTD1296 4-core 1.4 GHz
Hardware encryption engine Yes
Memory 512 MB DDR4
Compatible drive type 2 x 3.5″ or 2.5″ SATA HDD3 (drive not included)
External port 2 x USB 3.0 port
Size (HxWxD) 165 x 100 x 225.5 mm
Weight 0.88 kg
LAN 1 x Gigabit (RJ-45)
Wake on LAN/WAN Yes
Scheduled power on/off Yes
System fan 1 (92 x 92 x 25 mm)
AC input power voltage 100 V to 240 V AC
Power frequency 50/60 Hz, single phase
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
Maximum operating altitude 5,000 m (16,400 ft)


General DSM specification
Networking protocol SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)
File system • Internal: ext4
• External: ext4, ext3, FAT, NTFS, HFS+, exFAT4
Supported RAID type Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1
Storage management • Maximum single volume size: 108 TB
• Maximum internal volume: 64
File sharing capability
• Maximum local user account: 1024
• Maximum local group: 256
• Maximum shared folder: 256
• Maximum concurrent SMB/NFS/AFP/FTP connection: 100
Privilege Windows Access Control List (ACL), application privilege
Directory service Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let’s Encrypt
support, HTTPS (customizable cipher suite)
Supported client Windows 7 onwards, Mac OS X® 10.11 onwards
Supported browser Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0
onwards) on tablets
Interface language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magy


Packages and Applications
File Server & Synchronization
Synology Drive
Provide a universal portal to synchronize your files across various platforms, including Windows, macOS, Linux, Android and
iOS. The built-in universal portal allows you to access data anytime and anywhere.
• Maximum number of hosted files: 100,000
• Maximum number of concurrent connections for PC clients: 200
File Station Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users
or groups, creating sharing links, transfer logs
FTP Server Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol,
boot over the network with TFTP and PXE support, transfer logs
Cloud Sync
One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon
S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk,
Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk
Universal Search Offer global search into applications and files
iSCSI Storage
iSCSI Manager • Maximum iSCSI target: 10
• Maximum iSCSI LUN: 10
Data Protection & Backup Solution
Hyper Backup Support local backup, network backup, and backup data to public clouds
Backup tools DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application
Shared folder sync – maximum task number: 2
Productivity & Collaboration
Collaboration tools
Collaborate with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology
• Chat maximum user: 10
• Office maximum user: 200
• Calendar: support CalDAV and access via mobile devices
Note Station Rich-text note organization and versioning, encryption, sharing, media embedding and attachments
Moments Support smart AI album with facial recognition, similar photo detection, and photo editing and sharing features. Mobile
applications are available on iOS and Android devices.
Other packages Video Station, Photo Station, Audio Station, iTunes® Server


Surveillance Station Maximum IP camera: 12 (total of 360 FPS at 720p, H.264) (Including two free camera licenses. Additional cameras require the
purchasing of additional licenses)
All-in-One Server
VPN Server Maximum connection: 10. Supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec
Mail Server Supported Mail Server Protocols: POP3, SMTP, IMAP. LDAP/AD account support
Mail Station Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server
Web Station Virtual host (up to 30 websites), PHP/MariaDB®, third-party applications support
Other packages DNS Server, RADIUS Server, Log Center
Storage Analyzer Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files,
most recently modified files, least recently accessed files
Antivirus Essential Full system scan, scheduled scan, white list customization, virus definition auto update
iOS/Android™ applications Synology Drive, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments
Other packages Additional 3rd-party packages available on Package Center
Environment and Packaging
Environment safety RoHS compliant
Package content
• DS220j main unit
• Quick Installation Guide
• Accessory pack
• AC power adapter
• RJ-45 LAN cable
Optional accessories5
• VisualStation VS360HD, VS960HD
• Surveillance Device License Pack
• 2.5″ Disk Holder Type C
Warranty 2 years1
*Model specifications are subject to change without notice. Please refer to for latest information.
1. The warranty period starts from the purchase date as stated on your purchase receipt. Visit for more
2. Performance figures may vary depending on environment, usage, and configuration.
3. A disk holder is required for 2.5″ drive, which is sold separately.
4. exFAT Access is sold separately in Package Center.
5. Please refer to for the latest optional accessory list



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