Drive Controllers	

    * Integrated SAS 5/i(base): 4 port SAS controller. Does not support RAID.
    * Integrated PERC 5/i (optional): SAS 3.0 Gb/s RAID controller with 256MB of battery-backup cache
    * Non-integrated SAS/5E (optional): 8 port SAS non-RAID external controller for MD3000 x8 PCI-e


  RAID Controllers	

    * Optional PERC 5/E (SAS RAID controller for MD1000)
    * Optional PERC 4e/DC (dual-channel PCI Express RAID controller for PV22xS)