HP InfiniBand FDR/Ethernet 2-Port 10Gb/40Gb 544+QSFP PCIe 3.0 Network Adapter Card 764736-001.HP Part Number: 764736-001Compatible Part Numbers: 764616-001 764284-B21Specifications: Ports: 2 x 40GB Ethernet Infiniband FDR QSFPConnectivity Technology: WiredData Link Protocol: 10Gb Infiniband, 40Gb LANData Transfer Rate: 56Gbps