Part
JC566-61001
is compatible in the following Models:
HPE FlexNetwork 6600 Router Series
HPE A6608 Router Chassis - JC177B
HPE A6604 Router Chassis - JC178B
HPE A6616 Router Chassis - JC496A
HPE Router Processing Modules
HPE A6600 RSE-X1 Main Processing Unit - JC566A