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10Gbps Ethernet Network Card Professional for Intel X540 Chip Single Port Base T PCIe Network Adapter - AliExpress
What Is 10GBASE-T and Why Is It Important?
X540T2-IBM - IBM X540T2-IBM Intel X540-T2 10Gbps Base-T Dual Port Rj-45 Ethernet PCI Express 2.1 x8 Converged Network Adapter for System X - serverevolution.com