http://www.planet.com.tw/en/product/product_ov.php?id=22128 

General
OS Embedded Linux
Ethernet 1 x RJ-45, 10/100/1000 Base-TX
USB Interface 2 x USB2.0 for backup device and printer
Storage Device 2 x 3.5” SATA hard disk
Button Shut down button, Unmount button, Reset button
LED Display 1 x LAN, 2 x HDD, 2 x USB
HDD Configuration Standard, RAID 0, 1 and JBOD
Video Input 4 channels IP camera
Recording Mode Manual, Schedule
Network Service TCP/IP, DHCP, DNS, HTTP, FTP, NTP, SMTP, UPnP
Network File Protocol Microsoft Networks (CIFS / SMB), Internet (HTTP), FTP
Management Web-based administration
Network Time Protocol
Multiple users account
E-mail notification
System log
Firmware upgrade
File System Type Internal HDD support: XFS
External USB drive support: FAT32 / EXT3

User Interface IE browser
IPFinder utility

Multiple Language Yes
Power 12V DC, 4.0A / Max. 36W
Operating Temperature 0~50 Degree C
Weight 1.73 kg
Dimension (W x D x H) 134 x 201 x 105 mm