Using the RAID Calculator you can calculate the capacity, speed gain and the fault tolerance for:> RAID 0> RAID 1> RAID 1E> RAID 5> RAID 5E> RAID 10> RAID 6RAID (Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy and performance improvement.