http://blog.raxco.com/2011/11/16/ho...t-its-lifespan/

http://download.raxco.com/perfectdisk-ssd-optimization


1. Detects solid state drive hardware (to perform the appropriate action for that type of drive)

2. TRIMs free space from partially full blocks of data

3. Identifies where the largest section of free space exists on the drive

4. Consolidates free space in that location, whether at the beginning, middle or end of the disk

5. Reduces writes to the drive, extending its life

所以跟傳統的 Defrag 不一樣