If you have a generic drive or want a single tool to monitor multiple brands, CrystalDiskInfo is the industry standard. Completely open-source and free.
Provides clear charts on drive capacity, performance, and life remaining. 3. Smartmontools
To upgrade from the free version to the premium tier, the software prompts users to enter an (or serial key) provided upon purchase. The Reality of SSDLife in 2026: Is It Still Maintained?
If you just need a health check, the SSDLife Free version is usually sufficient. Alternatively, most SSD manufacturers provide free, official tools for their drives, such as Kingston SSD Manager or Samsung Magician.