The PCIe x1 RTL8111C Single 1G RJ45 network card is a compact and cost-effective Gigabit Ethernet adapter designed for desktops, embedded systems, and industrial PCs. Powered by the Realtek RTL8111C controller, it provides stable and efficient 1GbE connectivity through a PCIe x1 interface, making it ideal for upgrading legacy systems or adding dedicated network ports.