Get all the benefits of a solid state drive at a fraction of the cost. SanDisk ReadyCache SSD teams up with your existing hard drive to provide a convenient way to get up to 4 times faster boot and up to 12 times faster application load and overall response times. The ExpressCache software by Condusiv Technologies uses advanced caching algorithms that allow your computer to learn user storage behavior and automatically manage your data to increase overall performance. A simple add-on solution and easy to install, SanDisk ReadyCache SSD gives your desktop computer a performance boost from boot up to shut down. As compared to 7200 RPM SATA 2.5-Inch hard drive. Based on published specifications and internal benchmarking tests. Windows 7 OS and software download required. Terms and Conditions apply.