Hi Leo. Thanks for the article. I installed CrystalDiskinfo and I noticed one of the items it lists is E7- SSD Life Left. Mine has 00000000000063 under Raw Values. Do you know what this means? Reply

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I find Crucial drives to be some of the best and they have a good reputation. That someone perhaps misinterpreted an acronym, or — more likely — there was a translation error from the original (probably Chinese), doesn’t concern me as much as it seems to concern you. The concept remains correct — it is Total Bytes Written, after all, measured in Terabytes. Reply Now, maybe that’s a typo and maybe it isn’t, but if I were you, I sure the h*ll wouldn’t take that chance!I want comments to be valuable for everyone, including those who come later and take the time to read. Cancel reply It’s not the amount of space used, it’s the amount of data that’s been written to it. If you write 1 terabyte of information, erase it all, then write 1 terabyte of information again, that’s 2 terabytes written. (Actually, a little more, since the erase will also write a small amount.) Reply

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on a side note… to calculate how much TBW one has written to their SSD on a Linux OS (after doing ‘sudo apt install smartmontools’ in terminal (I am using Linux Mint))…We keep hearing that SSDs and other flash-based drives wear out. Particularly when it comes to SSDs, there are ways you can see how close to wearing out your drive might be. Dude! You need to look at that second screenshot — the one for the Crucial CT2000P5SSD8 2TB (yeesh, what a mouthful!) — again, and more closely! I found this description of that value: “SSD Life Left. Supported by few manufacturers, this parameter represents calculated lifespan remaining in the disk based on certain equations. When normalized, it reads 100 (100%) for healthy drives to 1 (1%) for dead SSD’s. Sometimes replaced with Percentage of the Rated Lifetime Used.” — 63 hex is 99% life left, so I’d say you’re in great shape. :-) (Source: https://hetmanrecovery.com/recovery_news/predicting-ssd-failures-ssd-specific-smart-values.htm ) Reply Micron is one of the few vertically integrated SSD vendors. But while in such a pivotal position, the company was less than forthright when it came time to open up about the hardware secrets behind the P5 Plus. The controller is designed in-house, and we speculate that it is very similar to the six-core controller powering the P5, save for the new Gen4 PHY. There is the possibility that the company has cut the number of cores or opted for a smaller process node to manufacture the controller, based on its lower heat output in relation to the P5. But we can’t confirm any of this.