Fibre Channel Option # Manufacturing Part # Description Previous Part # SG-XPCI1FC-QF4 375-3354 [C] 4Gb PCI-X Single FC Host Adapter, n/a SG-XPCI2FC-QF4 375-3294 [C] 4Gb PCI-X Dual FC Host Adapter, n/a SG-XPCI1FC-EM2 [S] 375-3304 [C] 2Gb PCI-X Single FC Host Adapter, n/a SG-XPCI1FC-QF2 [S] 375-3102 [C] 2Gb PCI Single FC Host Adapter n/a SG-XPCI1FC-QL2 [S] 375-3383 [C] 2Gb PCI-X Single FC Host Adapter, n/a SG-XPCI2FC-EM2 [S] 375-3305 [C] 2Gb PCI-X Dual FC Host Adapter, n/a SG-XPCI2FC-QF2 [S] 375-3108 [C] 2Gb PCI/PCI-X Dual FC Host Adapter n/a ?240-4839 ?Low Profile Bracket, n/a SG-XPCI2FC-QF2-Z [S] 375-3363 [C] 2Gb PCI/PCI-X Dual FC Host Adapter, n/a ?240-4839 ?Low Profile Bracket, n/a X6727A [S] 375-3030 [C] PCI Dual FC Host Adapter+, L n/a X6799A [S] 375-3019 2 [C] PCI Single FC Host Adapter n/a