It can cause performance degradation when all the banks in the SSD have been written to, and a new bank needs to be re-written. TRIM allows cleaning the bank wh

It can cause performance degradation when all the banks in the SSD have been written to, and a new bank needs to be re-written. TRIM allows cleaning the bank when it is no longer needed, and hopefully, before it needs to be written again. As such, the new rewrite will be native speed, and not bottle-necked