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Sata 3 seagate speed problem

Last response: in Storage
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July 10, 2012 6:51:08 AM

hello friends!
http://postimage.org/image/c6xje2xrz/
this is my hard PC wizard test!
my hard is seagate sata 3 1000GB hard drive!
i bought it yesterday! i have a slow speed on this hard drive! very slow copy speed and other works,as you can see on that test! my mainboard is sata 2:amd 790 Gx!
can anybody help me guys?! how can i fix this?!
thanks!
a c 529 G Storage
July 10, 2012 6:58:55 AM

The speeds on your drive appear to be normal.

Hard drives can be SATA 3 (6Gb/s) "compatible", not SATA 3 "capable".
A hard drive cannot spin fast enough to achieve SATA 3 speeds.

Your hard drive's cache buffer can briefly transfer its contents at SATA 3 speeds, but that's it.

What's the model of your Seagate drive?
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July 10, 2012 7:04:59 AM

ST1000DM003
but i have a wetern 320GB hard and it seems to be faster than this one!!!
do you think it's a normal speed?!
what is the problem?!

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Related resources
a c 529 G Storage
July 10, 2012 7:18:54 AM

The spec sheet for your drive indicate that it has sustained Read/Write speeds of 156MB/s. So your benchmark results are not that far off.

If the SATA port your drive is connected to is in IDE mode then you should be able to get faster results if you switch to AHCI mode.

Here's the link to the spec sheet of your drive: http://www.seagate.com/files/staticfiles/docs/pdf/datas...
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July 10, 2012 7:51:58 AM

i switch it to AHCI but my windows doesn't work and it restart when the starting widows shows! what is the problem?! windows doesn't load! what should i do?! when change it to default the windows starts again!
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a c 529 G Storage
July 10, 2012 8:06:27 AM

Sorry, I neglected to mention that if you installed Windows with your drive in IDE mode that in order to switch to AHCI mode you have to edit the Windows Registry file first.

So switch back to IDE mode, edit the Windows Registry file, then switch to AHCI mode.

Here's instructions on how to edit the Registry file: http://www.ocztechnologyforum.com/forum/content.php?286...
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July 10, 2012 9:40:01 AM

thanks friend! but there is no change in speed!
what should i do next?!
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July 10, 2012 4:43:16 PM

any solution yet?
my last hard driver was western caviar blue sata 2,ever since i installed this seagate i can feel the speed much lower than before,like my windows take more time to load or my games,what am i gonna do? my mainboard is sapphire 790gx and it doesnt support sata 3.
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a c 81 G Storage
July 10, 2012 4:46:08 PM

Get a SSD. Hard drives are slow.
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a c 529 G Storage
July 10, 2012 5:00:16 PM

Go to Device Manager in Windows.
Right-click on your HDD on select "Properties".
Select the "Policies" tab.
If "Enable write caching on the device" is not checked then check it and click "OK".
If it is checked then uncheck it, click "OK", check it, click "OK".

Reboot your pc and benchmark again.
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July 10, 2012 5:32:43 PM

Dereck47 said:
Go to Device Manager in Windows.
Right-click on your HDD on select "Properties".
Select the "Policies" tab.
If "Enable write caching on the device" is not checked then check it and click "OK".
If it is checked then uncheck it, click "OK", check it, click "OK".

Reboot your pc and benchmark again.


when i uncheck it the reading speed down to 17mb/s and writing speed 170mb/s.
when it checked the reading speed is 170mb/s and the writing is 17 mb/s!!!!
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July 11, 2012 7:53:30 PM

sorry guys my problem not solved yet and i'm getting mad.
clearly is something wrong with my seagate hard drive i take more benchmarks and again ask if anyone can give me any solution please?
green one is my western caviar blue 320g sata2 hard drive and yellow is my seagate 1000t sata 3,i think its unsual.

western benchmark

seagate benchmark
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!