Here is one i just can't figure out. I have many hard drives in my machine.. Only 1 Rotational Sata HDD. Main drive m.2 ssd, then 3 gaming SATA Samsung SSD's, 1tb/2tb/2tb. Samsung Magitian shows Trim is available on all of them. Windows Disk optimizaion shows them as an HDD, not an SSD, so...