Toshiba Satellite 4000 Series Memory Upgrade Configurator - choose your Model:

4000CDS
4000CDT
4005CDS
4005CDT
4010CDS/CDT
4015CDS/CDT
4020CDT
4025CDT
4030CDS
4030CDT
4030CDT-NT
4060CDT
4060CDT-NT
4060XCDT
4070CDS
4070CDT
4080XCDT
4080XCDT-NT
4090CDS
4090XDVD-NT
4090XDVD/XCDT