The PCIe x1 RTL8125B Dual 2.5G RJ45 network card is a compact, high-speed Ethernet adapter designed for desktops, workstations, and embedded systems requiring dual-port 2.5 Gigabit connectivity. Featuring two Realtek RTL8125B controllers, it delivers reliable and efficient performance over standard Cat5e/Cat6 cabling through a PCIe x1 interface. Ideal for link aggregation, multi-network setups, and bandwidth-intensive applications.