Fibre Channel Option # Manufacturing Part # Description Previous Part # SG-XPCIE1FC-EM4 375-3396 [F] 4Gigabit/Sec PCI Express Single FC Host Adapter, n/a SG-XPCIE1FC-EM8-Z 371-4295 [F] 8Gigabit/Sec PCI Express Single FC Host Adapter, n/a SG-XPCIE1FC-QF4 375-3355 [F] 4Gigabit/Sec PCI Express Single FC Host Adapter, n/a SG-XPCIE1FC-QF8-Z 371-4324 [F] 8Gigabit/Sec PCI Express Single FC Host Adapter, n/a SG-XPCIE2FC-EM4 375-3397 [F] 4Gigabit/Sec PCI Express Dual FC Host Adapter, n/a SG-XPCIE2FC-EM8-Z 371-4306 [F] 8Gigabit/Sec PCI Express Dual FC Host Adapter, n/a SG-XPCIE2FC-QF4 375-3356 [F] 4Gigabit/Sec PCI Express Dual FC Host Adapter, n/a SG-XPCIE2FC-QF8-Z 371-4325 [F] 8Gigabit/Sec PCI Express Dual FC Host Adapter, n/a