Drive life? Hwinfo

[T0MMEN]

Is this accurate? Is this something i should be worried about ? Im not that worried about the 64% drive, thats my mac OS. But the windows 90% drive is just couple of months old.... Is this accurate what HWinfo is showing?

[Electronics Wizardy]

Its a bad estimate at best. Id ignore it. Keep backups and your data is safe.

[LukeSavenije]

tried the built in smart test on windows yet?

[TechyBen]

Define a "couple" of months? What is/has been running on the Windows drive? it has 12,000GB vs the 32,000GB on the other drive. It's getting like 5 or more times the writes (assuming the other drives are a couple of years old).

[porina]

It is an estimate provided by the drive based on its rated write endurance and writes up to that point. When you get a new SSD, you're installing a lot of software on it so it is not unusual to take an initial hit. However 12TB lifetime writes sounds like a fair bit. What capacity is the drive? You can also download Kingston's SSD tool whatever it is called to check the reported life.

[mariushm]

That value is most likely calculated from the amount of data you written to drive.

 

If your drive is Kingston UV400 (guessing based on caption in picture), then see the TBW value at the bottom of this datasheet: https://www.kingston.com/datasheets/SUV400S3_us.pdf

In short, the drives are warranties for 3 years or until you exceed that TBW value which is

 

120GB: 50TB

240GB: 100TB

480GB: 200TB

960GB: 400TB

 

You probably have the 240 GB model.  So since your TBW value is 100 TB and you already wrote 34.634 TB to you, that means you "used" approximately 34.6% of the drive's "life", so you're left with  100% - 34.6% = 65.4% ...  the 64% number is probably due to using multiples of 1000 instead of 1024 when converting MB, GB, TB ... and other such crap.

So that figure doesn't mean that the drive is faulty or dying, it just means there's a reasonable wear on the flash memory chips, but they're still capable of safely storing data in them.

Once you get over around 90 TB of writes, you should consider replacing the drive with something else. Chances are the drive will still work fine even with you going over around 120 TB of writes, as the SSD will start using portions of flash memory it hid from you from the start, which aren't so worn down, but the performance will probably decrease substantially.