QSFP to CX4/ 4x cables use cutting edge technology to provide an excellent hybrid cable solution for CX4/InfiniBand and QSFP rated switches, network adapters, and storage arrays. These cables have a QSFP connector on one end and a CX4 Connector on the opposite end. Each CX4-QSFP copper cable permits auto-negotiation between the two connected devices for optimal network throughput. Reaching data rates of up 5Gpbs per channel. Compatible with 4x Infiniband SDR/DDR and 10 GbE applications.