neowin[.]net/news/crystaldiskinfo-701
This free app is available with an installer or portable -- the portable version just causes a few new generic registry entries, like UserAssist.
CrystalDiskInfo is a HDD health monitoring utility. It displays basic HDD (also SSD and USB-HDD) information, monitors S.M.A.R.T. values and disk temperature. It will also display the S.M.A.R.T data as a list so you can see the specific issue that a hard drive may have. It provides a health rating based on your drive’s SMART status...