320GB 2.5" Hard Drive for Dell Inspiron-15, 15 (1564), 15 (N5030), 15 (N5050), 1501, 1520, 1521, 1525, 1526, 1545 Laptops Interface: SATA, Capacity: 320GB, 5400RPM: 5400RPM, Cache: 8MB, Size: 2.5 Inchs, 3.0Gb/s Package Include: 320GB 5400RPM Hard Disk Drive This Product Has 3 Years Manufacturer Warranty And 14 Days Money Back Guarantee