Why NVMe Speed is Low?

I am using 3000MBps read & write NVMe - but only showing 300 in the task manager.
Anything wrong?

Burst speed (cache) vs sustained write speed.
Check reviews of your nvme to get details, tomshardware includes sustained write tests

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That is actually a good number if that is what you are seeing for a single plot. It just doesn’t get pushed that hard. If you start running more plots in parallel or run the madman plotter, you will see a higher number. If you want to see what it can do, download crystalmark and run some bench tests. You should see 3000+.

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