Network Card Designation p/n n0n1n2-n3n4n5n6-n7n8 n0 - Part Number origin X - Xenya p/n n1,n2 - Card type E0 - Ethernet 100 Mb E1 - Ethernet 1Gb EA - Ethernet 10 Gb EQ - Ethernet 40 Gb F8 - Fibre Channel 8 Gb FG - Fibre Channel 16 Gb IQ - Infiniband QDR IF - Infiniband FDR n3 - Port type 4 - CX4 L - Long range LX (1350nM) P - Pluggables (sfp not included) S - Short range SX (850nM) U - UTP Z - Extra long range ZX (1550nM) n4 - Number of ports 1 - One port 2 - Two ports 4 - Quad ports n5 - Interface 1 - PCIe x1 4 - PCIe x4 8 - PCIe x8 G - PCIe x16 P - PCI n6 - Special features 0 - meaningless 1 - Chipset 82599ES n7 - Reserved n8 - Reserved