QSFP28X 100G multi-channel, single lane optics provide scalable
capacity up to 800G: 400G at 40Km distance. They are a cost-effective
alternative to QSFP28-ER4 or ER4L. Future proof, compatible with
400G ER4, they are plug and play with telco grade reliability and
are compatible in all QSFP28 ports!
