This model is a simple bracket for the ASUS Mini PC PN41 for the MP-1 module system.
https://www.musicstore.de/de_DE/EUR/DAP-2-HE-Rackblende-f-Modulsystem-10-Segmente-MP-1/art-PAH0017160-000
I use the Mini PC as a home assistant host and wanted to store it neatly in my network cabinet. I hope it is helpful for someone.