Customers to migrate to the 6-core Power6 520 S814, Which backplane RAID 5 provides the best
performance ?

A.
detachable back with 6 + 6 SFF-3 bracket and the second SAS controller
B.
with ( 12 ) SFF-3 bracket and integrated SAS storage controller backplane
C.
with ( 18 ) SFF-3 bracket and dual SAS controllers and write cache storage backplane
D.
detachable back with PCIe3 12GB Cache RAID SAS adapter and EXP24S of
Explanation:
C
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why? Can you kindly explain? Your effort will be appreciated.
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B & C are both supported in S814. In terms of performance, C is luxurious and thus of higher performance.
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