I came across SSDReporter at MacUpdate. It looks interesting, although it only checks internal SSDs. I know nothing about it but I'm passing this on in case anyone cares to comment. Supposedly, it will check the SSD portion of Fusion drives.

Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365