As you can see from the included screenshots, both SSDs are still trucking along without any major issues, at least according to CrystalDiskInfo. Still, according to CrystalDiskInfo, the drive is in good health, so I reckon it's worth keeping around as an external drive. data points and other SSD health metrics. My old SSDs are still alive and kicking, but how do you know when it's time to replace yours? But if you decide to test your own SSDs, what are the warning signs that might tell you it's time to replace them?