Part JG397A is compatible in the following Models:

HPE FlexNetwork 10500 Switch Series

HPE 10504 TAA Switch Chassis - JG820A
HPE 10508 TAA Switch Chassis - JG821A
HPE 10512 TAA Switch Chassis - JG823A

HPE Switch CFP Modules

HPE 10500 4p 40GbE CFP SF TAA Module - JG397A