The PCIe x1 Intel 82571 Dual-Port 1GbE RJ45 Network Card is a compact and cost-effective solution for adding dual Ethernet ports to systems with limited expansion space. Powered by the Intel 82571 Gigabit Ethernet controller, this card delivers stable and efficient 1GbE connectivity, making it ideal for desktops, embedded systems, and small-scale servers. Its PCIe x1 interface ensures broad compatibility, while support for essential networking features makes it a reliable choice for various professional and industrial applications.