RAID controller

RAID controller definition - computer

A disk controller card that supports one or more RAID configurations. Originally only for SCSI drives, RAID controllers have become very popular for PATA and SATA drives. See RAID.


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Four Port RAID Conroller

This S150 SX4 RAID controller from Promise supports four Serial ATA drives in a RAID 0, 1, 5 or 10 configuration. If one drive is set up as a hot spare, the S150 uses the on-board memory to automatically rebuild the data on it if one of the other drives fails. (Image courtesy of Promise Technology, Inc., www.promise.com)






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