The PCIe x4 BCM5719 Quad-port RJ45 network card is a high-performance Ethernet adapter designed for enterprise and industrial applications requiring multi-port connectivity and reliable throughput. Built on the Broadcom BCM5719 chipset, it delivers four independent Gigabit Ethernet ports through a PCI Express x4 interface, supporting advanced networking features and broad OS compatibility. Ideal for virtualization, server clustering, and high-bandwidth workloads.