Quick SpecsModelsDrive Types

12 Gb/s SAS
6 Gb/s SAS/SATA

PCI Support

PCI-e 3.0

SAS Connectors

2×4 External

Cache Memory

8 GB NV

Write Back Cache

Flash Backed Cache

RAID Levels

0,1,5,6,10,50,60

Max Drive Support

255

RAID Support

Hardware

Part Numbers:

• 70RV1

Summary of RAID levelsSummary of RAID levels Following is a list of the RAID levels supported by the PERC 12 series of cards:

• RAID 0 Uses disk striping to provide high data throughput, especially for large files in an environment that requires no data redundancy.
• RAID 1 Uses disk mirroring so that data written to one physical disk is simultaneously written to another physical disk. RAID 1 is good for small databases or other applications that require small capacity and complete data redundancy.
• RAID 5 Uses disk striping and parity data across all physical disks (distributed parity) to provide high data throughput and data redundancy, especially for small random access.
• RAID 6 Is an extension of RAID 5 and uses an additional parity block. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 provides protection against double disk failures, and failures while a single disk is rebuilding. If you are using only one array, deploying RAID 6 is more effective than deploying a hot spare disk.
• RAID 10 Is a combination of RAID 0 and RAID 1, uses disk striping across mirrored disks. It provides high data throughput and complete data redundancy.
• RAID 50 Is a combination of RAID 0 and RAID 5 where a RAID 0 array is striped across RAID 5 elements. RAID 50 requires at least six disks.
• RAID 60 Is a combination of RAID 0 and RAID 6 where a RAID 0 array is striped across RAID 6 elements. RAID 60 requires at least eight disks.