One QSFP cage is available on Zebra CoF. The QSFP cage houses a 38-pin connector to which you must connect a transceiver. This connector supports Ethernet speeds of up to 10 Gbits/sec or 25 Gbits/sec, if using an QSFP28 transceiver.
QSFP 38-pin connector
The QSFP cages are rated for a maximum of 250 module insertions.