General DSM Specifications

Networking protocol

SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN ™ , L2TP)

File system

• Internal: Btrfs, ext4

• External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT4

Supported RAID type

Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Storage management

• Maximum single volume size: 108TB

• Maximum internal volume: 512

• Maximum iSCSI target: 32

• Maximum iSCSI LUN: 256

• iSCSI LUN clone/snapshot support

SSD cache

SSD read-write cache support

File sharing capability

• Maximum local user account: 2,048

• Maximum local group: 256

• Maximum shared folder: 512

• Maximum concurrent SMB/NFS/AFP/FTP connection: 500

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

Virtualization

VMware vSphere® 6, Microsoft Hyper-V® , Citrix®, OpenStack®

Security

Firewall, Encryption shared folder, 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 and 10, Mac OS X 10.11 onwards

Supported browser

Chrome

®, Firefox®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards)

Interface Language

Packages and Applications

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

Universal Search

Offer global search into applications and files

Hyper Backup

Support local backup, network backup, and backup data to public clouds

Active Backup for Server

Centralize data backup for Windows and Linux servers without client installation

Backup tool

DSM configuration backup, macOS Time Machine support, Cloud Station Backup

Shared folder sync - maximum task number: 8

Cloud Station Suite

Sync your data between multiple platforms by installing the client utilities on Windows, Mac, Linux, Android and iOS devices, while retaining

up to 32 historical versions of files

Maximum concurrent file transfer: 500

Cloud Sync

One or two-way synchronization with public cloud storage providers including Amazon Drive, Amazon S3-compatible storage, Baidu cloud,

Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, WebDAV

servers, Yandex Disk

Surveillance Station

Maximum IP camera: 40 (total of 1,200 FPS at 720p, H.264) (Includes two free camera licenses; additional cameras require the purchasing of

additional licenses)

Virtual Machine Manager

Deploy and run various virtual machines on Synology NAS, including Windows, Linux, or Virtual DSM

High Availability Manager

Reduce service downtime by setting up two identical NAS into one high-availability cluster

Snapshot Replication

• Maximum of replications: 64

• Maximum of shared folder snapshots: 1,024

• Maximum of system snapshots: 65,536

Synology Directory Server

Provide a flexible and cost-effective domain controller solution

CMS

Provide a single interface to manage and monitor multiple Synology NAS

VPN Server

Maximum connection: 20, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec

MailPlus Server

Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (Includes 5 free email account

licenses; additional accounts require the purchasing of additional licenses)

MailPlus

Intuitive webmail interface for MailPlus Server, customizable mail labels, filters, and user interface

English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands,

, Polski, Magyar,

Português do Brasil, Português Europeu, Türkçe, Český,