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SSD not getting advertised Sequential speeds - Page 2

post #11 of 15
Thread Starter 
Ok, I reinstalled windows 7, and right after install before I did anything, I ran AS SSD, here's my results from that:

It failed on the 4k speeds because my cpu drivers weren't installed yet.
Then I followed the guides that goesto11 linked, installed all the updates, and here's the results from that:


My speeds are still pretty low and my write speeds are even lower than before. I'm wondering if maybe I got a faulty ssd, but thats probably very unlikely. I'm still within the 30 days of the replacement policy of NewEgg, and the ssd came with a 3 year warrenty with Mushkin, so I can return it if I need to. However before I result to that, I'd still try to get my speeds up, if there's absolutely nothing we can do/figure out then I'll return it.
post #12 of 15
Thread Starter 
Okay, I looked at the mushkin website and noticed that they have now say they achieved those speeds with ATTO at queue depth 10. I come pretty close to that with atto at queue dept 10 so I guess this is solved. My AS SSD results are still low, but I guess that they will probably never come close the the ATTO results.
Heres the ATTO results at queue depth 10.

Heres the AS SSD Results, which are still pretty slow

Also I would like to thank everyone that has helped me, especially goesto11.
post #13 of 15
Quote:
Originally Posted by Karzire View Post

Okay, I looked at the mushkin website and noticed that they have now say they achieved those speeds with ATTO at queue depth 10. I come pretty close to that with atto at queue dept 10 so I guess this is solved. My AS SSD results are still low, but I guess that they will probably never come close the the ATTO results.

That's because ATTO fills their test data only with 0s and the Sandforce controller in the Mushkin SSD uses hardware compression to achieve those speeds. AS-SSD uses random incompressible data. AS-SSD also has a compression test under their "Tools" section. Checking that out would be interesting.

It must be a quite old version of the sandforce controller since the incompressible data values are pretty low. I would probably get a Samsung 840 (non pro) instead which should have about twice the sequential performance when the data are incompressible which is the case with video/image/music/game data. Compressible data are text documents (more so) and binary program files (less so).
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post #14 of 15
Quote:
Originally Posted by BrainSplatter View Post

It must be a quite old version of the sandforce controller since the incompressible data values are pretty low. I would probably get a Samsung 840 (non pro) instead which should have about twice the sequential performance when the data are incompressible which is the case with video/image/music/game data. Compressible data are text documents (more so) and binary program files (less so).

He said Mushkin Enhanced Chronos so it's SF-2281 with Asynchronous ONFi NAND so I'm thinking those numbers are par for course.
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post #15 of 15
Your welcome - glad you got it figured out. biggrin.gif
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