The LR-Link LREC9804BF-4SFP+ is a high-performance network interface card designed to provide robust connectivity for servers and workstations. Powered by the Intel XL710 controller, this adapter features four 10G SFP+ ports that deliver a total aggregate bandwidth of 40 Gbps, making it a reliable choice for data-intensive environments. It connects via a PCI Express 3.0 x8 interface, which also ensures compatibility with standard PCIe x16 slots. To provide flexibility in cabling, the card supports various transceivers, including 10000Base-SR, 10000Base-LR, and 10000Base-Cu. It integrates advanced virtualization and efficiency technologies such as SR-IOV, VMDq, and DPDK, alongside practical features like PXE boot and port failover for increased redundancy. The hardware operates within a temperature range of 0 °C to 55 °C and consumes 7.4W of power. Measuring 15 x 3 x 20 cm and weighing 200 g, the adapter is built for professional installations. It includes both full-height and low-profile brackets in the package, allowing you to fit the card into different chassis sizes. Visual status updates are provided by integrated LED indicators, helping you monitor your network connection at a glance.