Windows 10 system vs user profile results

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DoubleD

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Sep 24, 2020
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Drive 81 is a Windows 10 system drive. Drive 82 is considered a "data" drive. I have moved my Windows user profile (%USERPROFILE%) to drive 82. From these results it would appear that Windows hammers the user profile the most.

notepad++_2020-12-31_12-53-55.png


DD
 
@DoubleD : You might try running with the /1 option to breakout the individual performance of those 1GB benchmarked transfers into their 64 sub-block speeds. That'll give you some sense for how "widespread" the slowdown at the front of that drive is.
 
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Interesting. It looks quite widespread in the first 25% of the drive. Since it is a 1.0TB drive I'm waiting with anticipation for Spinrite 6.1! :coffee:

Thank you for all the great tech.

DD

notepad++_2021-01-01_08-23-06.png
 
But your 850 is about half and 860 about a quarter of my speeds with these drives. Even when ignoring the problem areas, they seem limited by a slow interface or something? 137MB/sec. for an EVO is quite atrocious.

Thank you; I noticed that, too. This is an old mainboard, DFI LP JR GF9400-T2RS (circa 2008?), which has SATA 2.0 (Serial ATA-300) interfaces. I believe the above result was due to an inferior BIOS setting (IDE?). After switching BIOS to use the AHCI controller I had these results:

notepad++_2021-01-01_13-47-27.png


The odd thing is why drive 81 and 82 reached full speed and not drive 83 on the 2020-12-31 at 10:58 run. :confused:

DD