Two free tools to check how long your SSD, including those in Fusion Drives, is likely to last.
TRIM
How long will the SSD in your Mac last before it fails? Some seem to be going to an early grave. Is yours?
Do I need any additional software to support it?
Most of the computer-like devices that you use now store their data on solid-state disk (SSD) rather than traditional hard disk (HD) components. Are they also the best way ahead for regular computers?
The Eclectic Light Company 