Improve the performance of your existing systems with the Lexar® NS100 2.5 -inch SATA III (6Gb/s) Solid-State Drive (SSD). This easy upgrade offers faster boot times, program load times and data transfers that will turn your old computer from dinosaur to dynamo with read speeds of up to 550MB/s. It's also cooler and quieter and uses less battery life than a conventional hard drive.