QFSP-DD
QSFP Double Density, the newest high speed copper cable, offers twice the amount of signal lanes in the same space as a QSFP port. Compatible with both 200G NRZ and 400G (QSFP28) PAM-4 it is offered in 0.5m incremental standard lengths up to 2.5m and available in straight, breakout cables or customized configurations.