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Appendix D SATA Interfaces
The Q77AX provides a total of six SATA connectors.
SATA ports 1 through 6 support the Intel Rapid Storage Technology (Intel® RST) and allow for the
following RAID modes:
RAID 0
RAID 0 - Striped Disk Array without Fault Tolerance: Provides data striping (spreading out blocks of
each file across multiple disk drives) but no redundancy. This improves performance but does not
deliver fault tolerance. If one drive fails then all data in the array is lost. This RAID configuration is
also known as a ‘Striped set’. This RAID array can read and write data in parallel from multiple
drives. This is what makes this RAID level one of the fastest.
RAID 1
RAID 1 - Mirroring and Duplexing: Provides disk mirroring. Data is written identically between disks.
This RAID configuration is known also as a ‘mirrored set’. Array provides fault tolerance from disk
errors or failures and continues to operate as long as at least one drive in the mirrored set is
functioning.
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