Cisco QDD-400G-LR4-S Compatible 400GBASE-LR4 QSFP-DD PAM4 CWDM4 Duplex LC 10km SMF FEC Optical Transceiver Module Model:QDD-400G-LR4 NADDOD 2Q2Q56-200G-A20H is a QSFP56
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31