Hardware

CPU

• Marvell A3720 2-core 800MHz

Hardware encryption engine

• Yes

Memory

• 512 MB DDR3

Compatible drive type

• 1 x 3.5″ SATA HDD
• 1 x 2.5″ SATA HDD (with optional 2.5″ Disk Holder, sold separately)
• Note: HDD not included

External port

• 2 x USB 2.0 port

Size (H x W x D)

• 166 x 71 x 224 mm

Weight

• 0.7 kg

LAN

• 1 x Gigabit (RJ45)

Wake on LAN/WAN

• Yes

Scheduled power on/off

• Yes

System fan

• 1 (60 x 60 x 15 mm)

Fan speed mode

• Full-Speed Mode
• Cool Mode
• Quiet Mode
• Low-power Mode

Power recovery

• Yes

Noise level

• 16.9 dB(A)

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+, exFAT (exFAT Access sold separately)

Supported RAID type

• Basic

Storage management

• Maximum single volume size: 108 TB
• Maximum internal volume: 1

File sharing capability

• Maximum local user account: 512
• Maximum local group: 128
• Maximum shared folder: 256
• Maximum concurrent SMB/NFS/AFP/FTP connection: 50

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 (customisable 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, Russian, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Ceský, Thai, Japanese, Korean, Traditional Chinese, Simplified Chinese

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: 10,000
  • Maximum number of concurrent connections for PC clients: 5

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, Back blaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, Mega Disk, Microsoft One Drive, Open Stack 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

Note Station

• Rich-text note organisation and versioning, encryption, sharing, media embedding and attachments

Multimedia

Moments

• Offer photo editing and sharing features, similar & duplicate photos detection and iOS and Android mobile applications

Other packages

• Video Station, Photo Station, Audio Station, iTunes Server

Surveillance

Surveillance Station

• Maximum IP camera: 5 (total of 150 FPS at 720p, H.264)
• Note: Includes two free camera licences; additional cameras require the purchasing of additional licences

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, Support LDAP/AD account

Mail Station

• Web mail interface for Mail Server to receive emails from multiple POP3 mailboxes, customisable SMTP server

Web Station

• Virtual host (up to 30 websites), PHP/MariaDB, third-party applications support

Other packages

• DNS Server, RADIUS Server, Log Center

Others

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 Contents

• 1 x Synology DS120j enclosure
• 1 x Quick Installation Guide
• 1 x Accessory pack
• 1 x AC power adapter
• 1 x RJ45 LAN cable