Network connectivity, performance, and scalability are fundamental for modern enterprise infrastructures supporting virtualization, cloud computing, databases, and high-performance applications. Lenovo's ThinkSystem Broadcom Ethernet adapter portfolio delivers enterprise-grade reliability, advanced features, and flexible connectivity options engineered to maximize network throughput, reduce latency, and ensure seamless integration across demanding server environments. The ThinkSystem Broadcom 5719 1GbE RJ45 4-Port PCIe Ethernet Adapter (7ZT7A00484) provides four copper-based Gigabit Ethernet ports on a single PCI Express 2.0 x4 interface, delivering the density and capacity needed to support large numbers of virtualized systems on one server. Featuring I/O virtualization (IOV) support for VMware NetQueue and Microsoft VMQ, Message Signaled Interrupts (MSI) support, and IEEE 802.3az Energy Efficient Ethernet compliance for up to 42% power reduction, this adapter maximizes server processing performance while reducing CPU overhead and power consumption. The ThinkSystem Broadcom 57416 10GBASE-T 2-Port PCIe Ethernet Adapter (7ZT7A00496) delivers dual-port 10GBASE-T connectivity that is fully compliant with IEEE 802.3an standard, providing a low-cost solution for 10 Gb Ethernet using standard copper wiring. This adapter eliminates the need for transceivers or fiber optic cabling by utilizing standard UTP twisted pair cabling, making it an ideal way to enter the 10 Gb Ethernet space cost-effectively. Perfect for bandwidth-intensive applications, virtualization environments, and high-performance computing workloads requiring advanced network throughput and reliability.