Block-level data striping with distributed parity

Drive 1
Drive 2
Drive 3
Parity A
Data A
Data A
Data B
Parity B
Data B
Data C
Data C
Parity C

Minimum Number of Drives: 3
Strengths: Best cost/performance for transaction-oriented networks; Very high performance, very high data protection; Supports multiple simultaneous reads and writes; Can also be optimized for large, sequential requests.
Weaknesses: Write performance is slower than RAID 0 or RAID 1.