Quote Originally Posted by Kain665 View Post
Hex dump is useless, you're looking at certain LBAs that do not correspond to any specific NAND address. It's just how to FW presents the logical volume to the OS.

For all you know, these new drivers just tell the FS to wipe it's arse better - there is no way to check whether or not TRIM is working past the FTL.
And how does the firmware know that certain LBAs previously used do not correspond to any specific NAND address anymore ? TRIM.