Model number: for Samsung Galaxy Book NP950XDB for Samsung NP950XDB-KB1US for Samsung Galaxy Book np950xdb-kc5us for Samsung Galaxy Book NP950XDB for Samsung NP950XDB-KB1US for Samsung Galaxy Book np950xdb-kc5us for Samsung NP950XDB-KC3US for Samsung NP950XDB for Samsung Galaxy Book Pro 15 NP950XDB-KA2US