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Today I have been to my datacenter and could not put Perc5/E into PCI-X card, there is like 0,5mm difference in card length, so physically it does not fit.

Do I need PCIe for this Perc?

Btw. when removed PCI-X, the system did not want to boot due to missing card, both cards have to be installed, is it the same with PCIe? So I have to buy only a pair?

Thanks for your advices :)

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up vote 1 down vote accepted

The Per5/E is a PCIe card. You need the correct slot open to install the card. I believe the Perc5/i is the PCI-X "equivalent".

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