HPE 780977-001 is a screw-down processor heatsink assembly for a server. It provides a heat-sink component for the processor area, with a mounting design identified by HPE as screw-down.
The assembly screws into studs on the system I/O board, giving it a defined attachment point within the server. HPE lists this part as a heatsink assembly under both its Heat Sink and Processors categories. The confirmed description is focused on the component and its mounting arrangement; no dimensions or compatibility details are specified here.