QDD-400G-ZR-S

QSFP-DD transceiver module, coherent DCO, 400G-ZR

The Cisco QDD-400G-ZR-S is a 400G QSFP-DD pluggable optical module designed for cloud scale and high performance computing interconnect applications. It supports 16-QAM modulation to transmit 400G per wavelength up to 120km.