IAGE820-iSCSI an 8 bay iSCSI RAID tower external storage subsystem it provide two 1Gb iSCSI host Supports MPIO in Windows 2000/2003 server system and SATA device attachment. The array controller provides reliable data protection for servers and offers a new level polynomial technology to implement the extreme performance RAID 6 function. On the each HDD tray have individual key lock for physical security and LED Indicators for power and activity. Aluminum housing; anodized surface and built-in 2 of tool-less hot-swap fans for excellent system ventilation; durability and easy maintenance.