The QLogic 4Gb Fibre Channel Expansion Card (CFFv) for IBM BladeCenter enables you to quickly and simply connect the BladeCenter servers with CFFv expansion slots to a Fiber Channel storage area network (SAN).This card is installed into the PCI-X CFFv slot of a supported blade server. It provides connections to Fiber Channel-compatible modules located in bays 3 and 4 of a supported BladeCenter chassis.