The SAS 5/iR Serial Attached SCSI PCI Express Add-In RAID Controller Card from Dell is used to connect internal hard drives in servers and workstations. SAS 5/iR utilizes high performance SAS 3 Gbps technology to connect to the hard drives, and the latest generation of host interface technology, PCI Express (PCI-E). The SAS 5/iR supports only internal disks and provides integrated capability for RAID levels 0 and 1. The SAS 5/iR is managed by two different management utilities, depending on host platform.