DELL PERC 6i RAID Controller, SAS, PCI Express x8, 0, 1, 5, 6, 10, 50, 60, 256 MB, DDR2, 2 channels DELL PERC 6i RAID Controller. Supported storage drive interfaces: SAS, Host interface: PCI Express x8. RAID levels: 0, 1, 5, 6, 10, 50, 60, Internal memory: 256 MB, Internal memory type: DDR2. Windows operating systems supported: Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista.... Connector(s): 2x SAS