Extremely low Samsung 840 EVO IOPS random read/write

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NatteDraak

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Dec 23, 2008
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Hi there,

My laptop suddenly became very laggy. I discovered my random read/write times dropped dramatically:

120GB ssd (90GB free out of 111GB)
21054 / 17564 vs previously 78490 / 48791

500GB ssd (140GB free out of 465GB)
22411 / 21703 vs previously 81437/ 82098

I reïnstalled Windows 10 with a fresh copy from the Microsoft Media Creation Tool, but to no avail.


How could both drives suddenly be failing like this?


Thanks, greets
 
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NatteDraak

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Dec 23, 2008
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Drivers are up to date. (tried both Intel RST & Samsung Magician).

Memtest (1 pass) and Intel's Processor Diagnostic Tool report 0 errors. Temperatures for 500GB ssd and cpu are normal.

HD Tune is reporting 59 degrees Celsius for the 120GB mSata, calling this a critical temperature...

 
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NatteDraak

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Dec 23, 2008
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I have reïnstalled the Intel Chipset drivers provided by my laptop's manufacturer. Everything works again like it should.

In device manager, I discovered the IDE/ATA ATAPI controller was a default Windows 10 driver. After installing the chipset drivers it changed to Intel (R) 8 series Chipset Family SATA AHCI Controller.

Still no clue why the driver changed on its own though, but I'm glad it's sorted now, thanks!
 
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