500GB 7200rpm 2.5" Laptop Hard Drive for Dell Studio 1435 1440 1450 1457 1458 14z 15 1535 1536 1537 1555 1557 1558 1569 15z 17 1735 1737 1745 1747 1749 Laptops Interface: SATA, Capacity: 500GB, RPM: 7200RPM, Cache: 32MB/64MB, Speed: 6.0Gb/s Laptop Hard Drive Package Include: Brand NEW 500GB 7200RPM Laptop Hard Disk Drive This Product Has 3 Year Manufacturer Warranty And 30 Days Money Back Guarantee