Workstation NVMe ssd recommendations

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JustinTeim

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Jun 25, 2019
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Recommendations are welcome for an NVMe ssd for these requirements: (1) balanced read write (workstation, CPU Xeon E-2286g); (2) URE (UBER) 10E17 (published by the mfr). That might seem simple, but the combination of highest reliability and balanced read/write seems elusive; the web pages from WD etc describe their enterprise SSDs as for "read intensive" use (e.g. the WD CL SN720). Thanks in advance for any suggestions.
 

Patriot

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Apr 18, 2011
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What is your motherboard and chassis?
There are longer m.2 nvme drives 22110 that have more room for caps and nand packages to make them higher endurance but they don't fit all boards, can also adapt your m.2 to u.2 and run a SN200 2.5" if your chassis has adequate cooling.
 

Patriot

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Apr 18, 2011
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SN720 has super low endurance... 400TBW for a 1tb drive...0.2 writes per day. Doubtful it meets your assignments ratings for endurance or for UBER.
 

JustinTeim

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Jun 25, 2019
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SN720 has super low endurance... 400TBW for a 1tb drive...0.2 writes per day. Doubtful it meets your assignments ratings for endurance or for UBER.
Thank you for your comments.

As with most consumer SSDs, WD does not publish the UBER rate for the SN720 (just as Samsung does not publish that spec for its EVO Plus SSD).

However, if we compare the MTBF of 1.75 (WD SN720) or 1.50 (Samsung EVO Plus) to a hard drive (e.g. Seagate EXOS, MTBF 2.0 and UBER 10E15), it suggests that the those SSDs can't even reach 10E15 (!!!).

I think it is fair, and reasonable, to infer that when a mfr won't publish the reliability of an SSD or HDD, it is because that spec is not very good.