128GFC QSFP28 ESR4 300m
128GFC QSFP28 ESR4 optical transceiver modules are designed for Storage Area Network (SAN), and support 128GFC, 100GBASE-SR4, InfiniBand 4x FDR/EDR and OTN OTU4 links reach up to 100m without FEC or 300m with FEC over OM4 MMF.