The Dell PowerEdge Expandable RAID Controller is a high performance intelligent Peripheral Component Interconnect (PCI)-to-Small Computer System Interface (SCSI) host adapter with RAID control capabilities. The PERC 3 provides reliability, high performance and fault-tolerant disk subsystem management. PERC 3 is an ideal RAID solution for the internal storage of Dell's workgroup, departmental and enterprise systems. PERC 3 offers a cost-effective way to implement RAID in a server.