Adding this card to your Xserve allows its internal drive to be configured in a hardware RAID configuration. It supports hardware RAID levels 0, 1, and 5. RAID 0 requires two or three drives, RAID 1 requires two drives, and RAID 5 requires three drives.
System Requirements
Intel-based Xserve
Two or more SATA or SAS hard drives; all internal drives must be of the same type
Mac OS X Server v10.5 or later
