The 0.65 m ANW QSFP SFP56 DAC Direct Attach Copper Cable is designed for highspeed data transmission between devices such as switches, routers, and servers. Specifications. Works with Network Device, Transceiver. Transfer rate 50 Gbit/s. Cable Type QSFP56/SFP56. Cable Length 2.13 ft. Connector Type on First End QSFP56 Network. Connector on First End Details 1 x QSFP56 Network. Connector Type on Second End SFP56 Network. Connector on Second End Details 1 x SFP56 Network. Device Supported Transceiver. Device Supported Network Device. Data Transfer Rate 50 Gbit/s