100G QSFP28 SR4, LR4, ER4 and ZR4, 100G QSFP28 CWDM4, 4WDM4-10, 4WDM-20 and 4WDM-40 and more options are available
QSFP+ Transceivers
The Quad Small Form-factor Pluggable (QSFP) Transceivers are a compact, hot-pluggable transceiver used for data communications applications, It interfaces networking hardware to a fiber optic cable.