General Features:

• Color: Black and Silver
• Supports one (1) 10/100/1000 Mbps Gigabit Ethernet port for network connection
• Maximum capacity of 2 terabytes
• Supports four (4) 3.5-inch SATA hard drives (up to 1 terabyte for each bay)
• Provides four (4) hard drive drawers (hard drives not included)
• Supports hard drive hot plug and unplug
• Provides one (1) eSATA connection port
• Up to 3.0 Gbps data transfer rate for eSATA
• Provides two (2) USB 2.0 ports for printer and USB storage devices
• Supports software RAID (LINEAR, RAID 0, 1, 5) via software configuration
• Built-in BT (Bit Torrent) compatible P2P software
• Built-in iTunse server and UPnP AV server
• Built-in MySQL database and photo gallery .
• Web-based UI for easy configuration
• EXT3 internal file system format
• Supports UPnP, fixed IP and DHCP client
• Auto Networking Configuration Utility for Windows OS
• Built-in FTP server for users to transfer files using FTP client software
• Supports CIFS/SMB for Windows, Mac, Linux Network remote users can easily retrieve files by using "My Neighborhood"
• Provides HD formatting function for new HD or USB storage
• Provides password security for Web management and HD access
• Supports 32 concurrently connected users (Samba & FTP) # Built-in auto power recovery capability 

Specifications:

• Supported protocol: TCP/IP, HTTP, SMB, FTP, DHCP, UPnP
• File system: EXT3
• Ethernet connection speed: 10/100/1000 Mbps
• USB connection speed: up to 480 Mbps
• Supports hard drive: four (4) removable 3.5-inch SATA hard drives up to 1 Terabyte for each bay
• Memory: Flash: 8 MB, SDRAM: 128 MB

Interface:

• One (1) 10/100/1000 Mbps RJ-45 Ethernet port
• One (1) eSATA connector
• Two (2) USB 2.0 ports
• One (1) USB backup button
• One (1) Reset to Factory Default Setting button
• Power On/Off button

LEDs:

• Power
• LAN
• HDD I
• HDD II
• HDD III
• HDDD IV
• HDD Full
• Backup
• USB I
• USB II

 Unit Dimensions:

• 7.3 x 5 x 8.3-inches (H x W x D, approximate)