QDD-400G-DR4-S QSFP56-DD, CMIS 4.0, 1310nm, DR4 SMF 500m, 4x100G MPO12 DDM, Cisco QDD-400G-DR4-S Compatible
QDD-400G-ZR-S QSFP56-DD DCO, DWDM Tunable, ZR SMF 120km with EDFA and DCM, 400G DDM, Cisco QDD-400G-ZR-S Compatible
QDD-400G-120KM-TDCO-C-IO QSFP56-DD DCO, DWDM Tunable, ZR SMF 120km with EDFA, 400G DDM, MSA Compatible
QDD-400G-600KM-TDCO-C-IO QSFP56-DD DCO, DWDM Tunable, ZR+ SMF 600km with EDFA and DCM, 400G DDM, MSA Compatible