Dynabook/Toshiba HDD P000554270 is compatible in the following Models:

Dynabook/Toshiba QOSMIO Series

F Series F750 - PQF75A-065024
F Series F750 - PQF75A-066024
F Series F750 - PQF75A-067024
X Series X770 - PSBY5A-09C01X
X Series X870 - PSPLXA-00T00E
X Series X870 - PSPLZA-016003
X Series X870 - PSPLZA-080003
X Series X870 - PSPLZA-080003-53AGLA
X Series X870 - PSPLZA-081003

Dynabook/Toshiba QOSMIO-CONFIG Series

X Series X870 - PSPLZA-080003-53AGLA

Dynabook/Toshiba SATELLITE Series

C Series C50-C - PSCP6A-00Y00Y
C Series C50-C - PSCPAA-00K00N
C Series C850 - PSCBWA-05D001
C Series C850 - PSCBWA-0G6001
L Series L50-A - PSKL6A-00R004
L Series L50-C - PSKWAA-01100J
L Series L50-C - PSKWNA-036002
L Series L50-C - PSKWNA-05204K
L Series L50D-B - PSKUQA-02H00S
L Series L50D-C - PSKXSA-00V00G
L Series L50D-C - PSKXSA-00W00G
L Series L50D-C - PSKXSA-01600R
L Series L50D-C - PSKXSA-01V00R
L Series L840 - PSK8GA-02700G
L Series L850 - PSKDLA-08N00R
L Series L850 - PSKDLA-09500S
L Series L850 - PSKDLA-0C800R
L Series L850 - PSKDLA-0C800S
L Series L850 - PSKFWA-01R012
L Series L850 - PSKG6A-00P00H
L Series L850 - PSKG6A-00Q00H
L Series L850 - PSKG6A-00R00H
L Series L850 - PSKG8A-046001
L Series L850 - PSKG8A-05J001
L Series L850D - PSKECA-00W002
L Series L850D - PSKECA-01N002
L Series L850D - PSKGEA-003001
P Series P50-C - PSPTSA-00W006
P Series P70-A - PSPLPA-08E040
P Series P840 - PSPJ6A-00G001
P Series P840 - PSPJ6A-00H001
P Series P850 - PSPKBA-04000U
P Series P850 - PSPKBA-05F00U
P Series P850 - PSPKFA-02C001
P Series P850 - PSPKFA-099001
P Series P850 - PSPKFA-0E9001
P Series P870 - PSPLBA-02700S
P Series P870 - PSPLBA-02K00S
P Series P870 - PSPLFA-017001
P Series P870 - PSPLFA-019001
P Series P870 - PSPLFA-01C001
P Series P870 - PSPLFA-01C001-54B9KB
P Series P870 - PSPLFA-061001
S Series S50t-B - PSPQGA-001001
S Series S70t-B - PSPPQA-005003
S Series S70t-B - PSPPQA-00C003
S Series S70t-B - PSPPQA-00E003

Dynabook/Toshiba SATELLITE-PRO Series

P Series P870 - PSPLBA-02K00S
P Series P870 - PSPLFA-01C001
P Series P870 - PSPLFA-061001