USB: 4x USB 2.0 Ports (Front: 1; Back: 3), Supports USB printer, disk, pen drive, USB hub, and USB UPS, etc
eSATA: 2x eSATA Ports
Buttons: Power button, USB one-touch-backup button, reset button
Alarm Buzzer: System Warning
All-in-one Server: File Server, FTP Server, Backup Server, Printer Server, Web Server, Database Server, UPnP Media Server, iTunes Server, Multimedia Station, Download Station, Surveillance Station
Operating System: Embedded Linux
Supported Operating System: Microsoft Windows 2000, XP, Vista (32/ 64 bit), Windows 7 (32/ 64 bit), Windows Server 2003/ 2008; Apple Mac OS X; Linux & Unix
Networking: TCP/IP(IPv4 & IPv6: Dual Stack); DHCP Client, DHCP Server; Protocols - CIFS/SMB, AFP(3.1), NFS, HTTP, HTTPS, FTP, Telnet, SSH, iSCSI and SNMP; Network Service Discovery (UPnP & Bonjour); USB Wi-Fi 802.11n Adapter Support (Optional Purchase)