Do I lose anything (features/performance) switching from AHCI to RAID on ICH10R?

SunnyD

Belgian Waffler
Jan 2, 2001
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www.neftastic.com
As the subject line goes. This is a mixed environment as far as drives go. My boot drive is a single Intel 160gb G2 SSD, and then I just upgraded my bulk drives from a 500GB Samsung F2 (I think) and a 500GB WD Blue to a pair of 1TB Seagate 7200.12's.

I decided, just for the sake of screwing around I'd throw them in raid0 and see if it made any difference for some of my game load times. (Please don't lecture regarding drive failures in raid0, I know all about that - I have nothing on these drives that I can't afford to lose)

What I'm curious about is whether or not the drives that are NOT in the array (the SSD and the 2x 1TB WD Greens I have for storage - see, told you not to lecture me :p) will be losing and performance with the controller running in RAID mode rather than AHCI mode. I've glossed over some google-reflux saying that things like NCQ and/or TRIM may not be supported in RAID mode, but these were older articles/posts, and they didn't seem to indicate whether or not they applied only to array drives or not.
 

smakme7757

Golden Member
Nov 20, 2010
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As i understand it installing Intel rapid storage technology will take care of the drives not in the array, TRIM support and so on.
 

groberts101

Golden Member
Mar 17, 2011
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raid is a subset of ahci and all drives configured will essentially be in ahci mode of they are not part of the array. NCQ will be gained and is well worth it. However, compatability with toolbox and other firmware flashing/lifespan utilities may be negated due to raid setting.

I use backup OS volumes configured in ahci(or raid) on other sata chips to provide seperation and flexibility of maintenance/testing.