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SSD Read/Write Speeds Slow

Last response: in Storage
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September 20, 2012 7:44:19 PM

Hi, these are the parts for my computer



My problem is that the SSD as advertised is supposed to be 300 mb/s read/230 mb/s write time and currently this is what I'm getting.



I switched into AHCI mode after installing my operating system because I forgot to switch from IDE to AHCI before I installed the OS. I know on my old computer when I switched into AHCI after being in IDE it gave me a success message after reboot saying it successfully switched whereas I never got that sort of message.

I've tried going to device manager and disabling the cache option and that didn't help.

Any ideas or do you think I should just reformat and make sure it's in AHCI before putting the OS back on?
September 20, 2012 8:03:11 PM

SSD's never give marketed performance. Compare it to other people's first.
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September 20, 2012 8:21:32 PM

There is a registry tweak you have to do for Windows to see it as AHCI. Is this SATA II or SATA III? My laptop runs SATA II which limits my SSD performance.
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September 20, 2012 8:54:47 PM

I changed the registry values when I switched over to AHCI, and it's Sata III.
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September 20, 2012 9:14:36 PM

samuelspark said:
SSD's never give marketed performance. Compare it to other people's first.


I wouldn't be surprised if it was a bit less than the marketed performance but for the write to be that low something is wrong.
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September 21, 2012 12:36:24 AM

i already talked to kingston today and they told me my read/writes are well under what it should be and will refund me if they can't find a solution for it

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September 21, 2012 12:56:47 AM

Yes, TRIM is enabled according to command prompt and AHCI is turned on in BIOS.

Would there be any use in wiping the drive clean and starting over making sure AHCI is on before installing OS?
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December 10, 2012 9:51:35 PM

Don't think that would make any difference, as I had it in IDE when I installed the os, then changed it to AHCI. I have an older chipset than you (P55) and I still get much higher scores. Think you should get it replaced tbh

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