Allied Telesis PCI-Express Dual Port Adapter - AT-2911SX/2LC-001 PCI-Express Dual Port Adapter 2x 10km 1000LX LC Connector. The Allied Telesis 2911 Series Network Adapters feature a PCI Express (PCIe x1) design, providing the maximum possible bandwidth and bus efficiency with the benefits of low-power consumption. High reliability. The Allied Telesis 2911 Series Gigabit interface includes a comprehensive Microsoft Windows utility which performs detailed tests, diagnostics and analysis. Advanced manageability The priority queuing offered by the 2911 Series helps users set up the network based on their own needs. The comprehensive diagnostics and configuration software suite provides system administrators and engineers with a powerful tool to analyze the adapter card and check specific data. PCI Express Gigabit Network Adapters Allied Telesis 2911 Series Network Adapters feature a PCI Express (PCIe x1) design, providing the maximum possible bandwidth and bus efficiency with the benefits of low-power consumption. High Reliability The Allied Telesis 2911 Series Gigabit interface includes a comprehensive Microsoft Windows utility which performs detailed tests, diagnostics and analysis. Advanced Manageability The priority queuing offered by the 2911 Series can help users set up the network based on their own needs. The comprehensive diagnostics and configuration software suite provides system administrators and engineers with a powerful tool to analyze the adapter card and check specific data.