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Weird slow transfer on drive?

This is a discussion on Weird slow transfer on drive? within the Hard Drive Support forums, part of the Tech Support Forum category. I've got a 3TB internal drive that I bought and connected internally in my PC using SATA. I've noticed it

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Old 01-07-2018, 11:09 AM   #1
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I've got a 3TB internal drive that I bought and connected internally in my PC using SATA.

I've noticed it takes ages for files to copy to it

Using the default Windows 10 file copy handler I get unusual behaviour in that a transfer completes and then the disk activity light just goes solid and continues on well after.

For a test file using TeraCopy it shows a much slower speed of 4.5 MB/s but then has no trailing disk activity (completes).

Any ideas for a fix of this? Is this a situation of delayed writes or a write queuing issue?

Screenshots: https://imgur.com/a/AJqAj
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Old 01-07-2018, 03:36 PM   #2
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The WD30EZRZ is a 5,400 RPM model hard drive. A 7,200 RPM would be ~33% faster.
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Old 01-08-2018, 02:29 PM   #3
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Is this drive New? Or just new to you?
Download and run Crystal Disk Info it will give you a better handle on the health of this drive. Once installed go to the toolbar to Disk, and select the 3TB drive to view the SMART details and other specs.
Please press the Like link to right of any post you found helpful.
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Old 01-13-2018, 09:26 AM   #4
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After all my tests I fixed it by enabling disk write caching (weirdly it was off):

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