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I am not sure, but if I install pci-e 4x raid controller in pci-e 16x slot, will it work? As i read in google, it should work. What do you thinks/know?

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To note: for PCI-express, usually x is placed in front of the number of lanes. For example, PCIe x4 is an interconnect thru four PCI-express lanes. – GregC Jul 2 '09 at 13:16
up vote 5 down vote accepted

Yes. It will work. It will only work at 4x though.

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It would revolutionize hardware if you could make it work at more than the physically provided bandwidth. – adaptr Dec 15 '11 at 16:08

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