CrystalDiskInfo is a freeware. It supports both HDD and SSD. This tool is able to show basic information of your drives to know the condition of them. In this way, you can know ahead of time when your hard drive may crash or try to prevent one from coming. In addition, this tool also monitors temperature, and tells you the condition (Bad, Good, etc)…This means that you can backup your important information if you know something is going to happen to your drives.