Ethernet Option # Manufacturing Part # Description Previous Part # X1027A-Z Buy 501-7283 [C] PCI Express Dual 10-Gigabit Ethernet Fiber, RoHS:Y n/a X4150A-2 Buy 501-7415 [C] GigaSwift Ethernet UTP (GCS), RoHS:Y n/a X4151A-2 Buy 501-7430 [C] GigaSwift Ethernet MMF (GFS), RoHS:Y n/a X444** Buy 501-6738 [C] Quad GigaSwift PCI-X Ethernet (QGE-X), RoHS:Y n/a X5544A-4 Buy 10Gb PCI-X Ethernet Adapter, no transceiver, RoHS:Y 501-7413 [C] 10Gb PCI-X Ethernet Adapter, RoHS:Y n/a 370-7665 Bracket Standard 10Gb PCI-X Ethernet, RoHS:Y n/a 370-7792 Bracket Low-Profile 10Gb PCI-X Ethernet, RoHS:Y n/a X5558A Buy 375-3301 [C] 10Gb/sec XFP Optical Transceiver Short Range (SR), RoHS:YL n/a X7280A-2 Buy 371-0905 [C] PCI Express Dual Gigabit Ethernet UTP, RoHS:Y n/a X7281A-2 Buy 371-0904 [C] PCI Express Dual Gigabit Ethernet MMF, RoHS:Y