The new generation Disk Array System series is the only  External SCSI RAID  SYSTEM that can meet today's high  speed & high capacity storage.  Considering the reliability, stability & security of RAID basic functions,  only the all new designed RAIDISK is the choice. In Addition, RAIDISK RAID series    intergrated SCSI interface disks features into   one system. The RAIDISK RAID   offers   following advantages:       Hihger bus transfer rate : Each disk is supported by each independent disk  channel,   provide full bus   bandwidth.       Higher capacity drives : High disk capacities with more area density per  platter,    will   not only increase    the   capacity but also the speed.       Lower the risk of failure : With the design of RAIDISK RAID series,  Ultrastar SCSI   disk   in a single   disk per   channel configuration lowers the  risk of failure.       User Friendly     Operating System Independent.     Simple, painless quick step by step setup procedures.     Operating status display.       Easy Maintenance     On-line hot swap features. The hot-swap parts include HDD and Cooling  Fans.     On-Line hot spare HDD support.     Automatic failed drive rebuilding.     Automatic drive rebuilding.     Fax & Modem event notification.     LED indicators show out the status of hard drives.