ZyXEL NSA221 specs

System Specifications
Networking

Network protocol:
TCP/IP
CIFS/SMB, NFS (for Linux/Unix)
FTP, HTTP
DHCP client
PPPoE
NTP (Network Time Protocol)
Network setting:
DyDNS support
Network applications:
Gigabit jumbo frame support up to 9K bytes
UPnP AV server
iTunes server support
SqueezeCenter support
Samba/ FTP server support
Photo album server
phpMyAdmin/MySQL/PHP
Support eMule/BitTorrent/FTP/HTTP downloads
Auto-upload newly-added files to FTP servers, flickr and YouTube

Media Playback Support

Support Windows Media Center plug-ins for playing music/videos
Support photo slide show

Support File System

Internal HDD: XFS
External HDD: NTFS, EXT2, EXT3, FAT32, ReiserFS, XFS

Security

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

Backup Solutions

One-touch copy/sync button for external USB-capable devices backup
Backup planner
Instant/scheduled backup
NSA to NSA synchronization/ archive backup
NSA to external USB hard disk backup
PC to NSA backup (Memeo AutoBackup software)

USB Device Support

USB hard disk and card reader
Digital camera (support picture transfer protocol)
UPS monitoring and auto shutdown

RAID Features

RAID0, RAID1, JBOD

Disk Maintenance

Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
Automatically detect disk bad block with e-mail notification

Power and Thermal Management

Power control:
Internal disk hibernation support
Scheduled power on/off/reboot
System automatically resume after power outage
Thermal management:
Smart fan speed control
High temperature alert/ buzzer
Auto shutdown while high temperature

Management

User & group management
Package Management for setting up applications
IP filter table management
Download service with bandwidth control
Download status management
RSS client and server support auto-download and notification
Recycle bin with auto-cleanup and restoring files function

System Tools

System maintenance:
System resource, session, status monitoring
Online auto-upgrade firmware
Alarm:
E-mail notification for specific severity of log recorded
High temperature e-mail alert with auto-shutdown option
Logs:
Syslog record
Periodically system event with e-mail notification

Minimum System Requirements

OS for Utility: Windows XP/Vista/7 (32 & 64 bit)
Browser: IE 6.0+, Firefox 2.0+ and Chrome 4.0+


Hardware Specifications

Two 3.5" SATA I/II hard disk interface supported
One Gigabit Ethernet RJ-45 connector
Three USB 2.0 ports
Buttons:
Power button
Copy/Sync button
Reset button
Smart fan design
Power consumption:
Access mode: 32.75 Watt
Hard disk hibernation mode: 19 Watt
Power supply:
Input: 100 ~ 240V AC, 50/60 Hz
Output: 19V DC; 2.1 A


Physical Specifications

Item weight: 1057 g (2.34 lb)
Item dimensions (WxDxH): 108 x 205 x 147 mm (4.25" x 8.07" x 5.79")
Packing weight: 1535 g (3.39 lb)
Packing dimensions (WxDxH): 280 x 173 x 210 mm (11.02" x 6.81" x 8.27")


Environmental Specifications

Operating environment
Temperature: 0ºC ~ 40ºC (32ºF~104ºF)
Humidity: 0% ~ 95% (Non-condensing)
Storage environment
Temperature: -30ºC ~ 70ºC (-22ºF~158ºF)
Humidity: 0% ~ 95% (Non-condensing)


Certification

Safety: CE LVD
EMC: CE, FCC class B, C-Tick, BSMI
Others: UPnP


Package Contents

Network storage device (Hard disks not included)
Power supply & power cord
Ethernet cable
Quick start guide
Support CD
Warranty card