Network protocol

CIFS/SMB for Windows
NFS for Linux/Unix
AFP for Mac
DHCP client
PPPoE
Network Time Protocol (NTP)
iSCSI

Network applications

Media server
Twonky media server with DLNA 1.5 and UPnP AV
iTunes server
Logitech media server
Photo album server

Web service

WebDAV
FTP server
phpMyAdmin/MySQL/PHP
RSS client & server
Print server (CIFS)
Remote access support (DyDNS)

iOS and Android application

Zyxel Drive, zCloud, ownCloud

Network application management

User & group management
Package management for setting up applications

Network security

Support HTTPS and FTPES (FTP over explicit TLS/SSL)
Encrypted NAS to NAS remote replication
Encrypted NAS to external disk archive backup

Data Management
Backup support

One-touch copy/sync button for external USB capable devices backup
Backup planner:
Instant/Scheduled backup
NAS to NAS synchronization/archive backup
Rsync
NAS to external USB hard disk backup
Google Drive, Dropbox, Memopal, ownCloud, SynBackupfree and NetDrive support
Apple Time Machine support

Download/Upload support

Auto-download from FTP/HTTP/P2P download service
Scheduled download
Auto-upload photos and videos to YouTube/Flickr/FTP server

File system support

Internal HDD: EXT4
External HDD: NTFS, EXT2, EXT3, EXT4, FAT32, HFS+ (read only)

System Management
JBOD, RAID 0/1/5/6/10, RAID 5+ Hot Spare
Online firmware upgrade
Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
Power and Thermal Management
Power control

Internal disk hibernation support
Scheduled power on/off/reboot
Wake-On-LAN support
System automatically resume after power outage
APC USB UPS monitoring and auto shutdown

Thermal management

Smart fan speed control
High temperature alert/buzzer
Auto shutdown while high temperature

Minimum System Requirements
OS for utility

Windows XP onward, Mac OS X 10.5 onward

Browser

IE 11+, Firefox 20+, Google Chrome 37+, Safari 5+

Application Package Center
myZyxelCloud service

myZyxelCloud agent, version 1.04

Cloud application

ownCloud (Cloud synchronization), version 7.0.15
Google Drive, version 0.5.0
Dropbox, version 6.7.0
Memopal, version 3.0.0

Download management

NZBGet (NZB file download management supported), version 15.0
Transmission (Torrent file supported), version 2.84
pyLoad (Download manager for many oneclick-hosting sites), version 0.4.9

Additional

Gallery (The web-based application allows your NAS to host pictures), version 3.0.9
WordPress (Blogging tool and content management system), version 4.4.1
Tftp, version 0.7
NFS, version 1.3.0
Logitech media server (Stream audio system), version 7.7.4
PHP-MySQL-phpMyAdmin (MySQL administration tool), version 1.0