The Dell 540-BBIZ is a Mellanox ConnectX-3 single-port VPI network adapter delivering FDR (56 Gbps) throughput over QSFP+ connectivity. This low-profile PCIe x8 card supports both InfiniBand and Ethernet protocols, enabling flexible deployment in high-performance computing clusters, storage networks, and enterprise data centers requiring low-latency interconnect. Compatible with Dell PowerEdge servers and standard x8/x16 PCIe slots, the adapter is ideal for HPC, financial modeling, scientific simulation, and high-throughput storage architectures. The VPI capability allows seamless protocol switching without hardware changes. Tested and guaranteed; available via quote.