These cables are constructed from premium 100 Ohm cable and feature SFF-8436 and SFF-8470 connectors. Use these cables to bridge the gap between the 40G QSFP enabled devices with existing CX4/InfiniBand network infrastructure. Provide the performance you need for HPC clusters and large data systems within a switched-fabric I/O. Type: Network cable Length: 16.4 ft Connector: 1 x QSFP+ - male Connector (Second End): 1 x 4x InfiniBand (SFF-8470) - male Color: Black Manufacturer Warranty: Limited lifetime warranty Network Cable Type: Network cable American Wire Gauge (AWG): 28 Impedance: 100 Ohm Length: 16.4 ft Color: Black Connector: 1 x QSFP+ - male Connector (Second End): 1 x 4x InfiniBand (SFF-8470) - male Compliant Standards: UL, RoHS Service & Support: Limited lifetime warranty