# Selecting the RAID level by array capacity

If your array has... | Consider this RAID level...
One or more physical drives in an array. Notes: This is the only choice if the array contains only one physical drive. You can select RAID level-0 for any logical drive. | RAID level-0
Two physical drives. The default for two physical drives is RAID level-1. | RAID level-1
Three or more physical drives. | RAID level-1E
Three or more physical drives. | RAID level-5
Four or more physical drives. | RAID level-5E
Two or more physical drives. | RAID level-00
Four or more physical drives. | RAID level-10
Six or more physical drives. | RAID level-1E0
Six or more physical drives. | RAID level-50

Note: If you plan to use "Change RAID level," you must assign the same RAID level to all logical drives in the array.

## More information

- Selecting a RAID level and performance tuning

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