The new Smart Array 532 Controller is a 64-bit, 66 MHz dual SCSI channel PCI array controller for entry-level hardware-based fault tolerance. Utilizing both SCSI channels (1 internal and 1 external) of the SA-532 allows you to configure up to 28 hard drives to store up to 1TB of storage per PCI slot. The SA-532 provides high reliability and increased performance over the Smart Array 431, thus providing excellent value and lowering the total server ownership cost. In addition, the SA-532 is data compatible with all Wide Ultra3 and Wide Ultra2 drives and servers, offering an unparalleled degree of investment protection. Designed and integrated with HP entry-level and workgroup ProLiant servers, this product provides worry-free data protection. The SA-532 provides the best performance and capacity for RAID array controllers in entry-level and workgroup HP ProLiant servers or in any ProLiant server where hardware RAID is needed at an entry-level price point.