For Intel 82576EB Gigabit Network Adapter (NIC) Dual RJ45 Copper Port PCI-e X1
2.5 GT/s X1 Lane. Ports 2 RJ45 Ports. System Interface Type PCIe X1 PCIe X4 PCIe X8 PCIe X8 PCIe X8 PCIe X8. NOT support hot swaping！. Hardware Interface PCIE x 1. (Does not support VMware ESXi 7.0 or above.).