This application was designed to help you view details about your hard disk drive. The CrystalDiskInfo application was designed to help you view details about your hard disck drive. Here are some key features of CrystalDiskInfo: show S.M.A.R.T Information; show HDD Information; change dialog design; internationalization. CrystalDiskInfo is a HDD health monitoring utility. It displays basic HDD information, monitors S.M.A.R.T. values and disk temperature.