DELL 405-11355, SAS, PCI Express x8, 0, 1, 5, 6, 10, 50, 60, 512 MB DELL 405-11355. Supported storage drive interfaces: SAS, Host interface: PCI Express x8. RAID levels: 0, 1, 5, 6, 10, 50, 60, Internal memory: 512 MB