320 GB 5400 RPM 8MB Cache Hard Disk Drive/HDD for Dell Inspiron 11z-1110 1318 1320 1370 1410 1420 1427 1428 1440 1464 1470 1501 1520 1521 1525 1526 1545 1546 1564 1570 1720 1721 1750 1764 640M E1405 E1505 320GB 5400 2.5" SATA HARD DRIVE FOR LAPTOP