Security: FTP over SSL/TLS, IP Auto-Block, Firewall, Encrypted Network Backup over Rsync, HTTPS Connection
File System:
Internal: EXT4
External: EXT4, EXT3, FAT, NTFS, HFS+
File Sharing:
Max User Accounts: 2048
Max Groups: 256
Max Shared Folder: 256
Max Shared Folder Sync Tasks: 4
Max Concurrent CIFS/ AFP/ FTP Connections: 256
Windows Access Control List (ACL) Integration
Utilities: Synology Assistant
Applications:
File Station: Virtual drive, remote folder, Windows ACL editor, compress/extract archived files, bandwidth control for specific users or groups, create sharing links, transfer logs
FTP Server: Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocols, boot over the network with TFTP and PXE support, transfer logs
Mail Server: Supported Mail Server protocols: POP3, SMTP, IMAP, support LDAP/AD account
Windows Phone Applications: DS file, DS finder, DS audio, DS download, DS photo, DS video
Web Station: Virtual Host (up to 30 websites), PHP/MariaDB, 3rd-Party Applications Support
Printer Server:
Max Printers: 2
Printing Protocols: LPR, CIFS, IPP, iOS Printing, Google Cloud Print, Multi Functional Print Server (MFP functions are for Windows PC only)
Management:
Auto DSM Upgrade
Push Notification - Mobile Devices
Email/SMS Notification
Customized User Quota
Customized Administrator/User Group
Syslog Support
DDNS Support
IPv6 Support
VLAN Support
PPPoE
Hotspot
Resource Monitor
Connection Manager
UPS Management
Scheduled Power On/Off
Custom Management UI HTTP/HTTPS Ports
Backup Solutions: Network Backup, Local Backup, Desktop Backup, Configuraiton Backup, OS XTime Machine, Backup Data to Public Cloud, Shared Folder Sync (Max Task Number - 4)
Supported Clients: Windows XP or later, Mac OS X 10.7 or later, Ubuntu 12 or later
Power Consumption: 31.96W (Access); 10.14W (HDD Hibernation)
Certifications: FCC Class B, CE Class B, BSMI Class B
Dimensions (WxDxH): 203.0 x 233.2 x 165.0 mm
Weight: 2.04 kg
Package Contents: Main Unit, Welcome Note, Accessory Pack, AC Power Adapter, AC Power Cord, 2x RJ-45 LAN Cable