This adapter subs to part numbers: 03N4701, 03N5531. 1990: 1Gb 2-Port Base-TX Ethernet PCI-X Adapter (Low profile). The 2-Port 10/100/1000 Base-TX Ethernet PCI-X Adapter is a Full Duplex, dual ported, Gigabit Ethernet low profile form factor adapter designed with highly integrated components.
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