500GB SATA 7200rpm Internal Hard Drive/HDD for Dell Inspiron 1318 1420 1440 14R 15 1501 1520 1521 1525 1526 1545 1546 1564 15R 1720 1750 17R E1405 E1505 M5030 N4010 N4110 N5010 N5050 N5110 N7010 N7110 Dell Insprion 500GB SATA 7200 RPM SATA 2 , 8 MB Cache 9.5mm or 7mm Drive