Seagate's warranty is among the best I've seen at five years, which is much better than the one year or so that comes with laptops (and thus their hard drives) or the three years offered by others. Performance is what this drive is targeted to excel at, an it seems to do so fairly well. In our tests we saw it do markedly better than the Hitachi drive in most tests that focused on performance. Battery life was slightly lower than that of the Hitachi drive but within 2% of that drive.