SSD low transfer rates

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mmommo

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Jul 10, 2014
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Hey guys, im new here but heres my problem:
I just bought a Kingston HyperX 3K SSD with 555MB/s read and 510 MB/s write.
I installed my OS on the SSD with all the drivers and when i run HD Tune Pro i only get 250 MB/s transfer rate with some peaks of 376 MB/s but its only 2 gBs. It looks weared because its not like a curve, its more like a stair.

My OS: Win7 64 bit
CPU: AMD FX 8350
MB: Asus m5a97 evo r2.0 (sata 6gb/s)
SSD: Kingston HyperX 3k (120GB)

AHCI should be enabled and drivers installed.

I have no idea why my ssd is so slow. By the way how can i post a screenshot?
Hope you were able to understand me :)

mmommo
 
Solution
kingstonhq
Hello, I'm Jewel with Kingston Technical Support and would like to offer our assistance. Make sure your SATA ports are in AHCI mode, if not you will need to make registry changes in Win7 prior to changing it otherwise the system will not boot. Also, the drive should be connected to the native AMD controller SATA ports, the gray ones according to ASUS's specifications. The 3rd-party AsMedia add-on SATA ports tend to have degraded performance. We have also seen some varied performance issues with the AMD AHCI controller driver, so it is best to use the Standard (Microsoft) AHCI controller driver. For further assistance, please call us at 1-800-435-0640 (USA and Canada only) M - F 6am - 6pm PT and I or another available Technician will...
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stickmansam

stickmansam

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Oct 30, 2011
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you need to host it on imgur or something and link us here with bb tags



SSD speed is absed on best case scnario

HD Tune is like this
depending on the size of the file being moved, the speed changes
llokng at X axis, you can see that larger file sizes have higher speeds
and these are the number the companies claim

index.php


 
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kingstonhq

kingstonhq

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Mar 11, 2013
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Hello, I'm Jewel with Kingston Technical Support and would like to offer our assistance. Make sure your SATA ports are in AHCI mode, if not you will need to make registry changes in Win7 prior to changing it otherwise the system will not boot. Also, the drive should be connected to the native AMD controller SATA ports, the gray ones according to ASUS's specifications. The 3rd-party AsMedia add-on SATA ports tend to have degraded performance. We have also seen some varied performance issues with the AMD AHCI controller driver, so it is best to use the Standard (Microsoft) AHCI controller driver. For further assistance, please call us at 1-800-435-0640 (USA and Canada only) M - F 6am - 6pm PT and I or another available Technician will assist you.

Thank you for selecting Kingston as your upgrade partner.
 
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Solution
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mmommo

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Jul 10, 2014
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4,510
Thanks for your solutions. How can i uninstall the amd drivers for AHCI? and heres a screenshot of HD Tune Pro (I dont know if this picture is going to work :D)
4lW0Yq5.jpg


Can you see that strange peak? i would like to have 372 mb/s all the time :p hope somebody has some experience with that :D

mmommo
 
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mmommo

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Jul 10, 2014
4
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4,510
So, I checked if AHCI is enabled and it is. The OS (and the drive itself) is only half a week old so there souldnt be any garbage on the drive. Latest drivers for chipset, etc. are installed. Any ideas?
 
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mmommo

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Jul 10, 2014
4
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4,510
thanks for your help. I did a new benchmark:
VFZ15fl.png
[/URL][/img]

As you can see, the rates stay up at the end (even if i make a new benchmark, everytime i get solid high transfer rates at the end). Now its even more wired. And how can i get away fom this collection?
I alredy enabled TRIM and AHCI and updated my bios. I think my system updates arent installed. Will this help?

mmommo
 
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