From the developer: "SANDRA (System Analyzer Diagnostic and Reporting Assistant) is a set of system diagnostic and benchmarking tools designed to help you keep your computer running at peak performance. It provides diagnostic, benchmarking, and performance tune-ups for different hardware devices and subsystems, including CPUs, modems, BIOS, drives, graphic cards, and DOS and Windows memory. Includes additional modules CPU multimedia benchmarking and network and memory bandwidth benchmarking. Additional types of hardware can now be detected. 50 modules are included in the shareware version, and 20 additional modules are included in the registered version."