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Transcend SSD only getting 200 read and 150 write?

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January 18, 2013 6:08:40 PM

I just got a Transcend 128 GB SSD and it says on the box that it has 560 read and 530 write speeds, but when I use AS SSD, I only get like 200 read and 150 write.

My motherboard is a Gigabyte UD5H and I plugged it in with a SATA 6gb cable into the SATA III Intel SATA port, not the Marvel one.

I already tried the Marvel one and I get still around 200 read and write.


Why am I getting such low read and write compared to what's being advertised on the box?

Thanks for any help!
a c 283 G Storage
January 18, 2013 6:21:16 PM

Did you remember to go into the System BIOS on startup and switch from IDE mode to AHCI mode?
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a c 523 G Storage
January 18, 2013 6:25:24 PM

AS-SSD uses highly incompressible data to test Read/Write speeds.

Your SSD uses a SandForce controller so you need to benchmark with ATTO to test your advertised Read/Write speeds.
ATTO uses highly compressible data to test Read/Write speeds.
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a c 283 G Storage
January 18, 2013 6:52:39 PM

Dereck47 said:
AS-SSD uses highly incompressible data to test Read/Write speeds.

Your SSD uses a SandForce controller so you need to benchmark with ATTO to test your advertised Read/Write speeds.
ATTO uses highly compressible data to test Read/Write speeds.



GOOD CATCH! I missed that. Went right over my head. :whistle: 
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a c 523 G Storage
January 18, 2013 6:54:37 PM

JohnnyLucky said:
GOOD CATCH! I missed that. Went right over my head. :whistle: 


No problem! I have your site on my Favorites and went there to see what controller the drive uses. :D 
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January 18, 2013 7:39:44 PM

Dereck47 said:
AS-SSD uses highly incompressible data to test Read/Write speeds.

Your SSD uses a SandForce controller so you need to benchmark with ATTO to test your advertised Read/Write speeds.
ATTO uses highly compressible data to test Read/Write speeds.



Thanks! I used ATTO and it shows at 8192 KB, the transfer rate in MB/sec is around 500 read and write, so does that mean it's working how it should?
I'm new to this so I'm not exactly sure if I'm reading it right.
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a c 523 G Storage
January 18, 2013 7:49:19 PM

bingaloman said:
Thanks! I used ATTO and it shows at 8192 KB, the transfer rate in MB/sec is around 500 read and write, so does that mean it's working how it should?
I'm new to this so I'm not exactly sure if I'm reading it right.


Yes, that means your drive is working how it should. Enjoy!
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January 18, 2013 11:28:53 PM

Best answer selected by bingaloman.
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January 20, 2013 12:30:17 PM

AS-SSD also has a test for compression.

Go to tools and it will be right there.

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