Part Number: 06P5312 (20gb 5400 rpm)Part Number: 08F777 (20gb 5400 rpm)Part Number: 09R694 (20gb 5400 rpm)Part Number: 10J1696 (20gb 5400 rpm)Part Number: 209455001 (20gb 5400 rpm)Part Number: 218318001 (20gb 5400 rpm)Part Number: 23442-002 (20gb 5400 rpm)Part Number: 244591001 (20gb 5400 rpm)Part Number: 52049H2 (20gb 5400 rpm)Part Number: 8F777 (20gb 5400 rpm)Part Number: P445260103 (20gb 5400 rpm)Part Number: P445263003 (20gb 5400 rpm)Part Number: P445269003 (20gb 5400 rpm)