Intel® Optane™ Solid State Drives
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Optane 900P slowdown after Meltdown and Spectre mitigation


I have an Optane 900P in an Asus z370 motherboard with an Intel 8700K CPU. After applying the Microsoft Patch (KB4056892) and the Intel CPU microcode update (ASUS BIOS 0606) to mitigate the security risks from Meltdown and Spectre, the CrystalDiskbench 6.0 4K random reads at Q1 dropped from 290 to 220.

I'm using the latest Intel NVME driver. This specific performance metric is the reason for the Optane purchase, and it's price premium. Does Intel feel that this will be improved with future microcode/driver/OS patches?

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Hello Gustav_B,



Thanks for posting in our community.



Operating system settings could have changed after the updates, this could affect the drive performance as well. Please make sure to check our evaluation guide to get better Intel® Optane™ SSD 900P Series benchmark results:



- Intel® Optane™ SSD 900P Series Evaluation Guide



As for Side-Channel Analysis on Intel products, please refer to the following article containing all the available details regarding this topic:



- Facts about The New Security Research Findings and Intel Products

Best regards,


Eugenio F.
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