SSD wear levelling count importance?


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I have had a Samsung 840PRO 256Gb since 2013 and while it still passes a SMART check, the Wear Levelling Count has left zero at last. I know these SSDs have an overprovision but how concerned should I be about the health of this SSD?

 

In summary, we have 3240 hours, 14667 power cycles, 34 reallocated sectors, 150 Power Recoveries and 8879245966 LBAs written.

 

 

Samsung_SSD_840_PRO_Series_S12RNEAD213826E-20170904-1458.txt

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That is good to know. I just checked the other 840PRO I bought at the same time and which has been used for Win10 gaming and it has the Wear levelling Count at 96% so that is the one which is showing more use. Five times the amount of data written too.

 

I think I will retire the Windows one and keep the drive I showed above as an addition to the cache pool on the backup server so it can digest bigger backups at a time before filling its cache.

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  • 2 weeks later...

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