Part 3CSFP91 is compatible in the following Models:

HPE SFP and Mini-GBIC SX Transceivers

HPE X124 1G SFP LC SX Transceiver - JD493A

HPE SuperStack 3 3000/3800 Switch Series

HPE SuperStack 3 Switch 3824 - JE894A

HPE SWITCH 3812 - JE896A

HPE SUPERSTACK 3 SWITCH 3848 - JF059A