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Gerbil In Training
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Samsung 830 256gb SSD - need some help.

Wed Feb 15, 2012 10:34 am


I've been trying to nail down some of the same numbers as in Tech Reports review. I'm just not getting it, for example, on HD Turn 5.0 Read full test I'm seeing a min of 292 mb/s and a max of 293 mb/s.

I have it hooked up to the Sata 6gbs on a Asus Rampage III Extreme motherboard. I have the Marvell drivers installed as well as the latest Intel chipset drivers. Tech Report is getting 439mb/s to 435mb/s - is there anything else I need to update, to get these same #'s? (Also my mb is flashed to the latest bios.)

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Re: Samsung 830 256gb SSD - need some help.

Wed Mar 07, 2012 12:32 pm

I have the 128gb model and My speeds seem higher than that. I will run another perfomance test when I get home to double check.
Do you have it set up as AHCI in the bios?
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Re: Samsung 830 256gb SSD - need some help.

Wed Mar 07, 2012 1:31 pm

Sounds like a 3Gb/s (SATA II) ceiling to me. Althogh 290 MB/s seems a bit high for SATA II. Make sure the drive is plugged into a SATA III port.
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Re: Samsung 830 256gb SSD - need some help.

Wed Mar 07, 2012 2:16 pm

It could be the difference in the marvell chipset for SATAIII duties vs the integrated SATAIII used by TR for their storage test rigs. Do you get the same speeds if you move over to the integrated SATA II ports on your motherboard? I wouldn't suspect the drive - if it's working there isn't any reason I can think to limit itself to those speeds, I would suspect the ports/drivers as being your bottleneck.
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Re: Samsung 830 256gb SSD - need some help.

Wed Mar 07, 2012 2:37 pm

If you're using a Marvell 6gbps port, it's going to limit your sequential speeds. While I'd be interested in seeing what the drive pulls down after a SE and when not being used as a system drive.

For reference, here are some 256GB 830 benchmarks from mine, running CXM01B1Q FW.

These are some fresh out of box numbers, but it holds up quite well.

This is on an 1155 Z68 board, Intel's SATA III.

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