These cables provide 200Gb/s connectivity between devices using QSFP56 ports. QSFP56, 20GbE, 4x 50Gb/s PAM4, LSZH, 26AWG, 2 m. Connector 1 QSFP56. Connector 2 QSFP56. Rigorous cable production testing ensures best out-of-the-box installation experience, performance and durability.