383953-001 Compaq Presario R4000 80GB 4200RPM Hard DriveCompatible Models:Presario,Presario R4009EA,Presario R4010US,Presario R4012EA,Presario R4012US,Presario R4024EA,Presario R4025CA,Presario R4025EA,Presario R4025US,Presario R4031EA,Presario R4035CA,Presario R4075EA,Presario R4114EA,Presario R4125CA,Presario R4125EA,Presario,Presario R4155EA,Presario R4003xx,Note: This hard drive does not include the caddy or the connector. Hard drive caddies and connectors are sold separately.Height 9.5mmForm Factor 2.5