Answer by Razor512 · Nov 14, 2012 at 01:53 AM
Defragging a SSD actually makes it slower as it dirties the nand.
By default nand flash relies on data being as fragmented as possible which is eventually what wear leveling does, it spreads writes across all flash cells.
When you defrag a SSD, you negate any benefit that TRIM gains you and you wear the drive out faster.
Answer by Firdaush Bhadha · Nov 15, 2012 at 12:04 AM
Gain an understanding of how they work first. If you understood how they worked you would not ask this question. Flash memory does not need to write in a certain order, information can be accessed right away because it doesn't need to physically locate anything. Thus defragging is of no use and then what Razor said.
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