The Cisco Meraki MA-QSFP-40G-CSR4 is a 40GbE CSR4 short range fiber transceiver designed to be compatible with the MS425 products...

Meraki LR4 QSFP 40G Transceiver..

Meraki SR-BD QSFP 40G Transceiver..

Meraki SR4 QSFP 40G Transceiver..