Dynabook/Toshiba HDD P000509720 is compatible in the following Models:

Dynabook/Toshiba PORTEGE Series

A Series A600 - PPA60A-01H00G
A Series A600 - PPA61A-00H005
A Series A600 - PPA61A-00J005
A Series A600 - PPA61A-02K01Q

Dynabook/Toshiba QOSMIO Series

F Series F50 - PQF55A-01L021

Dynabook/Toshiba SATELLITE Series

A Series A300 - PSAG0A-02Y009
A Series A300 - PSAG0A-06M00Q
A Series A300 - PSAG4A-02400M
A Series A300 - PSAG4A-02500M
A Series A300 - PSAG4A-02L00M
A Series A300 - PSAG4A-0CJ007
A Series A300 - PSAGCA-02U010
A Series A300 - PSAGCA-03701F
A Series A300 - PSAGCA-08W01N
L Series L300 - PSLB8A-04R004
L Series L300 - PSLB8A-06X004
L Series L300 - PSLB8A-0D5004
L Series L300D - PSLC8A-02200Y
L Series L300D - PSLC8A-02T00Y
L Series L300D - PSLC8A-02U00Y

Dynabook/Toshiba SATELLITE-PRO Series

A Series A300 - PSAGDA-01C00R
A Series A300 - PSAGDA-01R014
A Series A300 - PSAGDA-01Y00R
A Series A300 - PSAGDA-03700R
A Series A300 - PSAGDA-03D00R
L Series L300 - PSLB9A-01G002
L Series L300 - PSLB9A-02H002
L Series L300 - PSLB9A-05U002
L Series L300 - PSLB9A-064002
L Series L300 - PSLB9A-067001
L Series L300 - PSLB9A-06D002