QSFP28 Transceivers QSFP28-100G-SR4-100M-D | 100Gb/s QSFP28 SR4 Transceiver with DDM QSFP28-100G-LR4-10K-D | 100Gb/s QSFP28 LR4 Transceiver QSFP28-100G-ZR4-80K-D (DualRate) Transceiver QSFP28-100G-ER4-40K-D | 100Gb/s QSFP28 ER4 Transceiver QSFP28-100G-ZR4-80K-D (SingleRate) Transceiver