DELL PERC 5/i, SAS, PCI Express x8, 0, 1, 5, 10, 50, 12 Gbit/s, 256 MB, DDR2 DELL PERC 5/i. Supported storage drive interfaces: SAS, Host interface: PCI Express x8. RAID levels: 0, 1, 5, 10, 50, Data transfer rate: 12 Gbit/s, Internal memory: 256 MB. PCI Card form factor: Full-height