DELL SOURCING - NEW PERC6 SAS Controller Card Assembly - 3Gb/s SAS - PCI Express x8 - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60 RAID Level - 2 x SATA 3Gb/s / SAS (external) - 2 Total SAS Port(s) - 2 SAS Port(s) External - PC - 256 MB - Windows Vista Supported Operating System: