I wonder how "Secure Erase" effects SSD life? Does it shorten?
And for re-installing OS which method is efficient (I mean SDD life and performance)?
- Secure Erase and install
- Format and install, let TRIM does its job.
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There are two scenarios here, and the effect on the life span of your two options depends on the scenario.
Scenario 1: You are going to format the drive with a tool that supports TRIM
Here the effect on the lifespan and performance is the same.
Scenario 2: You are going to format the drive with a tool that doesn't support TRIM
The short of it is: Secure Erase will not hurt life span or performance compared to simply quick formatting the drive, and if the tool you use to reformat doesn't support TRIM if does in fact help life span.