P8H67-M PRO SATA6 / RAID /AHCI - Hard drive speed

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ghzb

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Apr 8, 2014
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So this motherboard has 2 x 6gbps ports (grey) and 4x3gbps ports (blue)
Controller configured as RAID
SSD in a GREY port
SATA3gbps in a BLUE port
SATA6gbps in a GREY port

Yet all the drives are reading the same "Standard" SATA3 (6.0 Gb/s) -- shouldn't one say 3 Gb/s?

I just reloaded from a RAID config and am no longer using it but forgot to switch to AHCI prior to reloading Windows -- Do I need to be in AHCI mode to get the maximum throughput or is RAID mode capable of the same transfer rates even without an array defined?

Please ask for more info/specifics if necessary will happily provide more.

Just looking to get the most out of the 6gbps drives and I have encountered MBs that boast particular capabilities but only at the sacrifice of others.
Thanks for any input on this!

SSD - SATA3gbs - SATA6gbs HDD INFO VIA HD TUNE
http://i58.tinypic.com/1cabb.png
SATA 3gb/s HARD DRIVE BENCHMARK RESULTS
http://i62.tinypic.com/rjjmsh.png
SATA 6gb/s HARD DRIVE BENCHMARK RESULTS
http://i62.tinypic.com/25hq2rc.png
 
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saint19
Hi and welcome to Tom's forum.

I guess that your are using Windows 7, so, you can change RAID to AHCI mode without problems since the system automatically update the drivers and install all necessary things. Change that and let us know the results.
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saint19

saint19

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Mar 20, 2009
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Hi and welcome to Tom's forum.

I guess that your are using Windows 7, so, you can change RAID to AHCI mode without problems since the system automatically update the drivers and install all necessary things. Change that and let us know the results.
 
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G

ghzb

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Apr 8, 2014
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yeah i did try that but got the bsod on boot -- switched back to raid and boot no problem - was going to investigate preloading the ahci drivers or maybe just reload to test on a different drive but no time to do that yet
 
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G

ghzb

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Apr 8, 2014
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Here's the results -- clean install on AHCI mode
http://tinypic.com/r/iggdpx/8

seagate drive in a sata6 (grey port)
fyyz in a sata 6 (grey port)
fyys in a sata 3 (blue port)

So the reload drive is now showing the correct transfer rate of 3.0 despite being connected to the 6.0 port. So now the anomaly is why does a WD 3.0 drive show as 6.0 even when it is connected to a 3.0 port AND it's not even supposedly capable of 6.0?

I know this is sort of insignificant because it appears to be performing better than expected but it's become one of those things I need to understand instead of just accept. Possibly ANY sata3 drive will show as 6.0 if there is even one controller present capable?

 
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