Lenovo NET_BO BCM5719-4P Ethernet Adapter 4XC1K80847 | PCIe, Enterprise

Keep critical systems connected with a 4-port Ethernet adapter designed for environments where every NIC matters. The Lenovo NET_BO BCM5719-4P Ethernet Adapter uses the BCM5719 controller to deliver wired network connectivity through a PCIe host interface, giving administrators a practical way to add or expand copper Ethernet capacity in servers and appliances. Four ports provide flexibility for segmentation, redundancy, or dedicated traffic paths without consuming additional expansion space. That matters in dense deployments where port count directly affects design choices, failover planning, and serviceability. Compared with single- or dual-port alternatives, this adapter gives infrastructure teams more room to separate management, application, and storage traffic while keeping the hardware footprint controlled. For organizations standardizing on proven wired networking, this adapter fits the kind of deployment where stability and predictable behavior are worth more than chasing unnecessary extras. It is a straightforward choice for teams that want reliable Ethernet expansion from a known controller family and a vendor-backed Lenovo part number.