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SSD slow write speed

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Hi there.

I'm facing a problem with low write speeds on my Intel 540s 120GB ssd.

This issue happens on High Sierra 10.13.6 and on Mojave 10.14 , too. It happens also on hfs+ and apfs.

Here is a screenshot of the speeds.



Need your advice.

Thank you. Untitles.png
 

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RehabMan

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Joined
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Motherboard
MSI Laptop
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Intel i3-4005u 1.7ghz
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Intel HD 4400 ,1366x768
Mac
  1. MacBook Air
I'm facing the same thing on Windows 10. Also , I tried another ssd (Samsung 830) and it shows low write speed , too. So , maybe it has to do with my Laptop after all.
 
Joined
Jun 15, 2016
Messages
40
Motherboard
MSI Laptop
CPU
Intel i3-4005u 1.7ghz
Graphics
Intel HD 4400 ,1366x768
Mac
  1. MacBook Air
AJA shows that maximum write rate is 489 , but it is not consistent.
What is happening ?
Χωρίς τίτλο.png
 
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