What will be the result if you insert this new HBA into the same slot?

You have diagnosed that a FC HBA has failed. You need to replace it quickly to complete the
overnight data transfer. The only card you have available is a PCI-X 2.0 version running at
533MHz. The failed HBA was inserted into a PCI-X shared bus slot. What will be the result if you
insert this new HBA into the same slot?

A.
HBA will run at 533MHz.

B.
HBA will run at 266MHz.