Dynabook/Toshiba PCB-SET P000646770 is compatible in the following Models:

Dynabook/Toshiba TECRA Series

Z Series Z40-B - PT459A-00J001
Z Series Z40-B - PT459A-00U001
Z Series Z40-B - PT459A-00U001-3DAHKA
Z Series Z40-B - PT459A-00U001-3IAHP3
Z Series Z40-B - PT459A-00U001-3PAHLA